Yearly weather

Calculations are based on the last 8 years of historical weather data.

Weather Score #

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

Perfect for sun worshippers, beach lovers, and those seeking warm, dry climates for outdoor activities and relaxation.

Formula optimized for hot weather enthusiasts who prefer temperatures above 25°C (77°F) with maximum sun exposure and minimal precipitation.

Key factors in the calculation:

High temperatures: Favors locations with warm to hot daily highs
Abundant sunshine: Rewards areas with maximum daylight hours
Low precipitation: Penalizes frequent rain and wet conditions
Warm nights: Considers comfortable evening temperatures

Temperatures #

The southern cities (Tan An, Thu Duc, Bien Hoa, Ho Chi Minh City) exhibit consistently warm temperatures throughout the year, with maximums frequently exceeding 30°C and minimums staying above 23°C, making them generally comfortable
Bac Ninh, Hanoi, and Haiphong experience cooler temperatures, particularly in January and December, dropping to discomfort zone
Can Tho, Hue and Quang Ha maintain comfortable temperatures year-round, with less extreme temperature variations compared to the other cities
During the hottest months, several cities in the dataset reach discomfort levels with temperatures exceeding 30°C.

Maximum Temperatures

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	32.5°C	21.4°C	21.0°C	30.6°C	32.5°C	32.5°C	23.1°C	23.4°C	32.5°C	20.9°C
Feb	34.2°C	22.6°C	21.8°C	32.7°C	34.2°C	34.2°C	24.6°C	25.3°C	34.2°C	22.1°C
Mar	35.7°C	26.6°C	24.9°C	34.9°C	35.7°C	35.7°C	27.2°C	28.7°C	35.7°C	25.9°C
Apr	35.1°C	29.8°C	27.8°C	34.4°C	35.1°C	35.1°C	29.7°C	31.2°C	35.1°C	28.8°C
May	34.1°C	32.4°C	31.0°C	33.1°C	34.1°C	34.1°C	31.7°C	33.0°C	34.1°C	31.6°C
Jun	32.3°C	34.4°C	33.2°C	31.2°C	32.3°C	32.3°C	33.1°C	34.4°C	32.3°C	33.6°C
Jul	31.0°C	33.9°C	32.9°C	30.0°C	31.0°C	31.0°C	32.2°C	33.3°C	31.0°C	33.3°C
Aug	31.5°C	32.7°C	32.0°C	30.8°C	31.5°C	31.5°C	32.4°C	33.4°C	31.5°C	32.2°C
Sep	30.8°C	31.7°C	31.4°C	30.1°C	30.8°C	30.8°C	30.6°C	31.2°C	30.8°C	31.5°C
Oct	30.7°C	28.6°C	28.5°C	30.0°C	30.7°C	30.7°C	27.7°C	27.7°C	30.7°C	28.4°C
Nov	31.0°C	26.8°C	26.7°C	30.1°C	31.0°C	31.0°C	26.2°C	26.3°C	31.0°C	26.4°C
Dec	31.2°C	21.7°C	21.8°C	29.7°C	31.2°C	31.2°C	23.4°C	23.1°C	31.2°C	21.4°C
Average	28.0°C	32.5°C	31.5°C	27.8°C	28.6°C	32.5°C	29.3°C	28.5°C	32.5°C	32.5°C

Minimum Temperatures

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	23.3°C	15.4°C	15.6°C	22.2°C	23.3°C	23.3°C	19.6°C	18.6°C	23.3°C	14.7°C
Feb	23.9°C	16.9°C	17.0°C	22.7°C	23.9°C	23.9°C	19.9°C	19.4°C	23.9°C	16.5°C
Mar	25.2°C	19.9°C	19.7°C	24.2°C	25.2°C	25.2°C	21.5°C	21.4°C	25.2°C	19.4°C
Apr	26.6°C	22.0°C	22.0°C	25.8°C	26.6°C	26.6°C	23.3°C	23.7°C	26.6°C	21.6°C
May	27.1°C	24.7°C	25.0°C	26.3°C	27.1°C	27.1°C	25.0°C	25.4°C	27.1°C	24.4°C
Jun	26.0°C	27.1°C	27.2°C	25.4°C	26.0°C	26.0°C	25.9°C	26.0°C	26.0°C	26.7°C
Jul	25.1°C	27.0°C	27.1°C	24.8°C	25.1°C	25.1°C	25.5°C	25.5°C	25.1°C	26.5°C
Aug	25.2°C	26.2°C	26.5°C	25.0°C	25.2°C	25.2°C	25.6°C	25.5°C	25.2°C	25.9°C
Sep	24.9°C	24.9°C	25.3°C	24.9°C	24.9°C	24.9°C	24.7°C	24.5°C	24.9°C	24.7°C
Oct	24.4°C	22.2°C	22.3°C	24.7°C	24.4°C	24.4°C	23.5°C	22.8°C	24.4°C	21.6°C
Nov	24.0°C	20.1°C	20.3°C	24.1°C	24.0°C	24.0°C	22.5°C	21.7°C	24.0°C	19.4°C
Dec	23.3°C	15.5°C	16.0°C	22.6°C	23.3°C	23.3°C	20.7°C	19.6°C	23.3°C	14.8°C
Average	21.3°C	24.9°C	24.4°C	22.0°C	21.8°C	24.9°C	22.8°C	23.1°C	24.9°C	24.9°C

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions #

The cities can be clustered into three groups based on sunlight hours: Ho Chi Minh City, Bien Hoa, Thu Duc, Tan An, and Can Tho have relatively high sunlight hours in the first quarter of the year and lower sunlight in the rest; Hanoi, Haiphong, and Bac Ninh have consistently low sunlight hours throughout the year; and Quang Ha and Hue have intermediate sunlight hours with a peak in April and a dip in December
Precipitation patterns show that Ho Chi Minh City, Bien Hoa, Thu Duc, Tan An, and Can Tho have relatively similar precipitation patterns, with the highest rainfall in September
Hue and Quang Ha experience high rainfall in October and November, while it is lower during the rest of the year
Hanoi, Haiphong, and Bac Ninh have more even distribution of precipitation.

Sunny Weather

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	5.3 hours/day	1.5 hours/day	1.6 hours/day	3.5 hours/day	5.3 hours/day	5.3 hours/day	1.7 hours/day	2.0 hours/day	5.3 hours/day	1.5 hours/day
Feb	7.4 hours/day	1.0 hours/day	1.1 hours/day	5.7 hours/day	7.3 hours/day	7.4 hours/day	3.9 hours/day	4.3 hours/day	7.3 hours/day	0.8 hours/day
Mar	7.9 hours/day	1.9 hours/day	1.7 hours/day	5.7 hours/day	8.0 hours/day	7.9 hours/day	5.2 hours/day	6.0 hours/day	8.0 hours/day	1.5 hours/day
Apr	5.0 hours/day	2.7 hours/day	2.4 hours/day	4.0 hours/day	5.0 hours/day	5.0 hours/day	6.8 hours/day	7.1 hours/day	5.0 hours/day	2.4 hours/day
May	1.7 hours/day	2.8 hours/day	3.4 hours/day	1.6 hours/day	1.7 hours/day	1.7 hours/day	6.1 hours/day	5.8 hours/day	1.7 hours/day	2.5 hours/day
Jun	1.0 hours/day	3.0 hours/day	4.1 hours/day	1.4 hours/day	1.0 hours/day	1.0 hours/day	5.9 hours/day	5.6 hours/day	1.0 hours/day	2.7 hours/day
Jul	0.8 hours/day	2.6 hours/day	3.5 hours/day	1.2 hours/day	0.8 hours/day	0.8 hours/day	4.4 hours/day	4.3 hours/day	0.8 hours/day	2.2 hours/day
Aug	1.0 hours/day	2.1 hours/day	2.7 hours/day	1.6 hours/day	1.0 hours/day	1.0 hours/day	5.0 hours/day	4.6 hours/day	1.0 hours/day	2.2 hours/day
Sep	0.8 hours/day	2.4 hours/day	3.1 hours/day	1.0 hours/day	0.8 hours/day	0.8 hours/day	3.8 hours/day	3.5 hours/day	0.8 hours/day	2.7 hours/day
Oct	1.6 hours/day	2.4 hours/day	3.1 hours/day	1.2 hours/day	1.6 hours/day	1.6 hours/day	1.9 hours/day	1.9 hours/day	1.6 hours/day	3.0 hours/day
Nov	2.9 hours/day	2.5 hours/day	2.9 hours/day	2.1 hours/day	2.9 hours/day	2.9 hours/day	1.5 hours/day	1.6 hours/day	2.9 hours/day	2.5 hours/day
Dec	4.3 hours/day	2.7 hours/day	2.8 hours/day	2.9 hours/day	4.3 hours/day	4.3 hours/day	0.7 hours/day	0.9 hours/day	4.3 hours/day	2.7 hours/day
Average	2.2 hours/day	3.3 hours/day	2.7 hours/day	2.7 hours/day	2.3 hours/day	3.3 hours/day	4.0 hours/day	3.9 hours/day	3.3 hours/day	3.3 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	1.0mm	1.3mm	0.9mm	1.1mm	1.0mm	1.0mm	5.4mm	5.8mm	1.0mm	1.1mm
Feb	0.5mm	1.5mm	1.0mm	0.3mm	0.5mm	0.5mm	3.0mm	3.4mm	0.5mm	1.5mm
Mar	0.7mm	2.0mm	1.4mm	1.1mm	0.7mm	0.7mm	2.8mm	3.4mm	0.7mm	1.8mm
Apr	2.7mm	4.0mm	2.0mm	2.9mm	2.7mm	2.7mm	4.0mm	4.3mm	2.7mm	2.5mm
May	7.5mm	7.2mm	5.8mm	7.5mm	7.5mm	7.5mm	4.4mm	7.2mm	7.5mm	6.7mm
Jun	9.2mm	7.8mm	6.9mm	8.0mm	9.2mm	9.2mm	3.2mm	4.5mm	9.2mm	8.8mm
Jul	10.4mm	8.3mm	9.8mm	8.5mm	10.4mm	10.4mm	5.4mm	7.2mm	10.4mm	9.2mm
Aug	9.9mm	12.1mm	14.2mm	7.9mm	9.9mm	9.9mm	5.7mm	6.5mm	9.9mm	13.4mm
Sep	11.1mm	9.0mm	11.6mm	10.9mm	11.1mm	11.1mm	10.3mm	11.2mm	11.1mm	9.2mm
Oct	9.6mm	7.2mm	7.8mm	9.8mm	9.7mm	9.7mm	19.2mm	20.3mm	9.7mm	5.3mm
Nov	5.9mm	1.6mm	1.8mm	6.3mm	5.9mm	5.9mm	19.2mm	18.1mm	5.9mm	1.5mm
Dec	2.1mm	0.9mm	0.8mm	2.5mm	2.1mm	2.1mm	12.7mm	12.6mm	2.1mm	0.8mm
Average	5.1mm	5.9mm	5.6mm	5.3mm	5.2mm	5.9mm	8.7mm	7.9mm	5.9mm	5.9mm

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	14.2km/h	14.7km/h	15.4km/h	14.3km/h	14.2km/h	14.2km/h	14.8km/h	13.9km/h	14.2km/h	15.2km/h
Feb	17.5km/h	15.2km/h	15.1km/h	18.4km/h	17.5km/h	17.5km/h	15.4km/h	14.5km/h	17.5km/h	15.7km/h
Mar	20.2km/h	17.3km/h	16.3km/h	19.4km/h	20.2km/h	20.2km/h	16.1km/h	14.9km/h	20.2km/h	18.1km/h
Apr	17.8km/h	17.4km/h	17.4km/h	16.6km/h	17.8km/h	17.8km/h	17.2km/h	15.4km/h	17.8km/h	18.3km/h
May	15.0km/h	15.9km/h	17.9km/h	14.9km/h	15.0km/h	15.0km/h	15.4km/h	13.0km/h	15.0km/h	17.1km/h
Jun	15.0km/h	14.3km/h	17.9km/h	16.9km/h	15.0km/h	15.0km/h	14.5km/h	12.2km/h	15.0km/h	15.7km/h
Jul	17.2km/h	14.3km/h	17.6km/h	18.7km/h	17.2km/h	17.2km/h	15.0km/h	13.1km/h	17.2km/h	15.3km/h
Aug	16.6km/h	12.3km/h	14.6km/h	19.1km/h	16.6km/h	16.6km/h	14.7km/h	13.0km/h	16.6km/h	13.2km/h
Sep	14.3km/h	12.7km/h	13.8km/h	17.1km/h	14.3km/h	14.3km/h	14.5km/h	12.7km/h	14.3km/h	13.3km/h
Oct	11.3km/h	14.5km/h	15.9km/h	13.0km/h	11.3km/h	11.3km/h	16.2km/h	14.9km/h	11.3km/h	15.9km/h
Nov	10.9km/h	14.3km/h	15.0km/h	13.5km/h	10.9km/h	10.9km/h	16.8km/h	14.5km/h	10.9km/h	15.2km/h
Dec	11.6km/h	14.0km/h	14.1km/h	13.9km/h	11.6km/h	11.6km/h	16.6km/h	13.9km/h	11.6km/h	14.9km/h
Average	15.7km/h	15.1km/h	16.3km/h	15.9km/h	14.7km/h	15.1km/h	13.8km/h	15.6km/h	15.1km/h	15.1km/h

Humidity

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	63.2%	69.2%	72.6%	73.9%	63.2%	63.2%	86.3%	87.9%	63.2%	68.9%
Feb	59.5%	73.3%	77.6%	68.2%	59.5%	59.5%	86.0%	85.4%	59.5%	73.1%
Mar	59.5%	74.4%	80.0%	64.1%	59.5%	59.5%	85.0%	81.9%	59.5%	75.4%
Apr	61.8%	76.4%	80.9%	64.8%	61.8%	61.9%	82.7%	77.8%	61.9%	77.3%
May	67.3%	75.6%	79.4%	71.8%	67.3%	67.3%	79.7%	75.6%	67.3%	76.8%
Jun	74.8%	70.0%	75.8%	79.3%	74.8%	74.8%	75.4%	71.9%	74.8%	73.0%
Jul	80.5%	72.5%	76.8%	82.8%	80.5%	80.5%	77.0%	74.5%	80.5%	75.0%
Aug	78.7%	78.0%	80.1%	80.0%	78.7%	78.7%	75.9%	73.8%	78.7%	79.0%
Sep	82.0%	78.4%	79.2%	82.2%	82.0%	82.0%	80.8%	80.4%	82.0%	78.3%
Oct	82.6%	72.3%	74.1%	82.6%	82.7%	82.7%	85.5%	86.5%	82.7%	72.0%
Nov	79.6%	68.2%	71.2%	81.4%	79.6%	79.6%	86.2%	87.5%	79.6%	68.7%
Dec	72.4%	64.1%	66.1%	78.7%	72.4%	72.4%	87.2%	89.3%	72.4%	63.4%
Average	73.4%	71.8%	75.8%	76.2%	72.7%	71.8%	81.0%	82.3%	71.8%	71.8%

Daylight Hours #

Cities in the south (Tan An, Thu Duc, Bien Hoa, Ho Chi Minh City, and Can Tho) have very similar sunrise and sunset times, resulting in nearly identical day lengths
Northern cities (Bac Ninh, Haiphong, and Hanoi) experience significantly earlier sunrises in June and later sunsets in July, leading to longer days compared to the southern cities
The difference in day length between the longest and shortest days is more pronounced in the northern cities than in the southern cities
Hue and Quang Ha, located in central Vietnam, exhibit intermediate patterns in sunrise, sunset, and day length compared to the northern and southern clusters.

Sunrise Time

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	6:15	6:35	6:31	6:17	6:14	6:15	6:17	6:20	6:15	6:35
Feb	6:13	6:26	6:23	6:16	6:13	6:13	6:11	6:15	6:13	6:26
Mar	6:00	6:04	6:01	6:04	5:59	6:00	5:54	5:57	5:59	6:04
Apr	5:43	5:38	5:35	5:47	5:42	5:43	5:32	5:35	5:42	5:37
May	5:32	5:20	5:16	5:37	5:31	5:32	5:17	5:20	5:31	5:19
Jun	5:32	5:16	5:13	5:37	5:31	5:32	5:16	5:17	5:31	5:14
Jul	5:39	5:25	5:22	5:43	5:38	5:39	5:23	5:26	5:38	5:23
Aug	5:44	5:36	5:32	5:48	5:43	5:44	5:32	5:34	5:43	5:35
Sep	5:43	5:44	5:41	5:47	5:43	5:43	5:35	5:38	5:43	5:43
Oct	5:43	5:53	5:49	5:46	5:43	5:43	5:40	5:43	5:43	5:52
Nov	5:50	6:07	6:04	5:52	5:49	5:50	5:50	5:54	5:49	6:07
Dec	6:04	6:26	6:22	6:06	6:04	6:04	6:06	6:10	6:04	6:25
Average	5:54	5:48	5:54	5:48	5:54	5:48	5:48	5:42	5:48	5:48

Sunrise times are output in the local timezone of each place.

Sunset Time

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	17:50	17:37	17:34	17:55	17:49	17:50	17:35	17:37	17:49	17:35
Feb	18:01	17:55	17:52	18:05	18:00	18:01	17:50	17:52	18:00	17:53
Mar	18:04	18:06	18:03	18:08	18:04	18:04	17:57	18:00	18:04	18:05
Apr	18:04	18:16	18:12	18:07	18:04	18:04	18:02	18:05	18:04	18:15
May	18:08	18:28	18:24	18:11	18:08	18:08	18:10	18:13	18:08	18:27
Jun	18:16	18:39	18:35	18:19	18:16	18:16	18:19	18:23	18:16	18:38
Jul	18:19	18:40	18:37	18:22	18:19	18:19	18:21	18:25	18:19	18:40
Aug	18:11	18:25	18:22	18:14	18:11	18:11	18:10	18:13	18:11	18:25
Sep	17:54	17:59	17:56	17:57	17:53	17:54	17:49	17:52	17:53	17:59
Oct	17:36	17:32	17:29	17:40	17:35	17:36	17:26	17:29	17:35	17:32
Nov	17:28	17:16	17:13	17:32	17:27	17:28	17:14	17:16	17:27	17:15
Dec	17:35	17:19	17:16	17:40	17:34	17:35	17:19	17:20	17:34	17:18
Average	18:00	17:54	18:00	18:00	18:00	18:00	17:54	17:48	17:54	18:00

Sunset times are output in the local timezone of each place.

Useful Day Length

Period	Ho Chi Minh City	Hanoi	Haiphong	Can Tho	Bien Hoa	Thu Duc	Quang Ha	Hue	Tan An	Bac Ninh
Jan	10:50 hours	10:37 hours	10:34 hours	10:55 hours	10:49 hours	10:50 hours	10:35 hours	10:37 hours	10:49 hours	10:35 hours
Feb	11:01 hours	10:55 hours	10:52 hours	11:05 hours	11:00 hours	11:01 hours	10:50 hours	10:52 hours	11:00 hours	10:53 hours
Mar	11:04 hours	11:06 hours	11:03 hours	11:08 hours	11:04 hours	11:04 hours	10:57 hours	11:00 hours	11:04 hours	11:05 hours
Apr	11:04 hours	11:16 hours	11:12 hours	11:07 hours	11:04 hours	11:04 hours	11:02 hours	11:05 hours	11:04 hours	11:15 hours
May	11:08 hours	11:28 hours	11:24 hours	11:11 hours	11:08 hours	11:08 hours	11:10 hours	11:13 hours	11:08 hours	11:27 hours
Jun	11:16 hours	11:39 hours	11:35 hours	11:19 hours	11:16 hours	11:16 hours	11:19 hours	11:23 hours	11:16 hours	11:38 hours
Jul	11:19 hours	11:40 hours	11:37 hours	11:22 hours	11:19 hours	11:19 hours	11:21 hours	11:25 hours	11:19 hours	11:40 hours
Aug	11:11 hours	11:25 hours	11:22 hours	11:14 hours	11:11 hours	11:11 hours	11:10 hours	11:13 hours	11:11 hours	11:25 hours
Sep	10:54 hours	10:59 hours	10:56 hours	10:57 hours	10:53 hours	10:54 hours	10:49 hours	10:52 hours	10:53 hours	10:59 hours
Oct	10:36 hours	10:32 hours	10:29 hours	10:40 hours	10:35 hours	10:36 hours	10:26 hours	10:29 hours	10:35 hours	10:32 hours
Nov	10:28 hours	10:16 hours	10:13 hours	10:32 hours	10:27 hours	10:28 hours	10:14 hours	10:16 hours	10:27 hours	10:15 hours
Dec	10:35 hours	10:19 hours	10:16 hours	10:40 hours	10:34 hours	10:35 hours	10:19 hours	10:20 hours	10:34 hours	10:18 hours
Average	11:00 hours	10:54 hours	11:00 hours	11:00 hours	11:00 hours	11:00 hours	10:54 hours	10:48 hours	10:54 hours	11:00 hours

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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