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 #

Vientiane generally experiences warmer temperatures than Xiangkhoang throughout the year
Xiangkhoang has comfortable temperatures between February and November, while Vientiane maintains comfortable temperatures nearly year-round, with some discomfort in March, April, May, June, July, August, September, October and November due to high temperatures
Xiangkhoang can experience discomfort due to low temperatures in January and December
The maximum temperatures in Vientiane are noticeably higher, particularly during March, April, and May.

Maximum Temperatures

Period	Vientiane	Xiangkhoang
Jan	29.8°C	23.7°C
Feb	32.6°C	26.2°C
Mar	35.9°C	29.1°C
Apr	36.8°C	29.3°C
May	34.5°C	27.9°C
Jun	32.0°C	26.5°C
Jul	31.1°C	26.1°C
Aug	30.4°C	25.2°C
Sep	30.7°C	25.9°C
Oct	30.2°C	25.0°C
Nov	30.4°C	24.6°C
Dec	28.9°C	22.6°C
Average	31.9°C	26.0°C

Minimum Temperatures

Period	Vientiane	Xiangkhoang
Jan	17.4°C	10.1°C
Feb	20.1°C	12.1°C
Mar	23.8°C	15.3°C
Apr	25.8°C	17.1°C
May	25.8°C	18.1°C
Jun	25.0°C	18.7°C
Jul	24.4°C	18.5°C
Aug	23.9°C	18.3°C
Sep	23.5°C	17.5°C
Oct	22.2°C	15.6°C
Nov	20.6°C	13.5°C
Dec	17.6°C	10.3°C
Average	22.5°C	15.4°C

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

Conditions #

Vientiane generally experiences more sunshine hours throughout the year compared to Xiangkhoang, especially during the months of January, February, and December.
While both cities have similar patterns of increasing precipitation from January to the wettest months and then decreasing again, Vientiane tends to have higher precipitation levels overall, particularly from June to September. The lowest precipitation and highest sun hours are in Vientiane. Xiangkhoang experiences notably less sunshine during its wet season (May-Oct).

Sunny Weather

Period	Vientiane	Xiangkhoang
Jan	8.9 hours/day	5.9 hours/day
Feb	9.3 hours/day	7.0 hours/day
Mar	7.8 hours/day	6.9 hours/day
Apr	7.1 hours/day	5.7 hours/day
May	3.0 hours/day	2.4 hours/day
Jun	1.5 hours/day	0.8 hours/day
Jul	0.9 hours/day	0.5 hours/day
Aug	0.7 hours/day	0.3 hours/day
Sep	2.2 hours/day	1.5 hours/day
Oct	3.6 hours/day	2.4 hours/day
Nov	6.4 hours/day	4.4 hours/day
Dec	8.0 hours/day	5.7 hours/day
Average	5.0 hours/day	3.6 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	Vientiane	Xiangkhoang
Jan	0.1mm	0.4mm
Feb	0.8mm	1.2mm
Mar	1.2mm	1.4mm
Apr	1.8mm	3.9mm
May	7.7mm	6.3mm
Jun	11.4mm	7.6mm
Jul	13.3mm	9.4mm
Aug	15.3mm	12.3mm
Sep	11.4mm	6.3mm
Oct	4.8mm	3.6mm
Nov	0.5mm	0.7mm
Dec	0.1mm	0.3mm
Average	5.7mm	4.5mm

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

Wind Speed

Period	Vientiane	Xiangkhoang
Jan	9.7km/h	6.8km/h
Feb	11.8km/h	8.6km/h
Mar	12.7km/h	9.1km/h
Apr	12.3km/h	8.4km/h
May	10.1km/h	6.7km/h
Jun	9.7km/h	6.5km/h
Jul	10.1km/h	6.0km/h
Aug	9.5km/h	5.3km/h
Sep	8.1km/h	5.2km/h
Oct	8.2km/h	6.5km/h
Nov	7.7km/h	6.0km/h
Dec	8.8km/h	6.1km/h
Average	9.9km/h	6.8km/h

Humidity

Daylight Hours #

Xiangkhoang experiences slightly earlier sunrises throughout the year compared to Vientiane.
Sunset times are also marginally earlier in Xiangkhoang.
Consequently, Xiangkhoang has a slightly longer day length during the longest day and a shorter day during the shortest day, relative to Vientiane.

Sunrise Time

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

Sunset Time

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

Useful Day Length

Period	Vientiane	Xiangkhoang
Jan	10:55 hours	10:49 hours
Feb	11:10 hours	11:05 hours
Mar	11:19 hours	11:16 hours
Apr	11:26 hours	11:23 hours
May	11:35 hours	11:34 hours
Jun	11:46 hours	11:45 hours
Jul	11:48 hours	11:46 hours
Aug	11:35 hours	11:32 hours
Sep	11:11 hours	11:08 hours
Oct	10:47 hours	10:43 hours
Nov	10:34 hours	10:28 hours
Dec	10:38 hours	10:31 hours
Average	11:12 hours	11:12 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.

Share comparison

Was this page helpful?

Add more places to comparison?

Vientiane07:42

- -

Xiangkhoang07:42

- -

↑ Go to the top

	Vientiane LA	Xiangkhoang LA
Today Thu Jan 22
Fri Jan 23
Sat Jan 24
Sun Jan 25
Mon Jan 26
Tue Jan 27
Wed Jan 28

	Today Thu Jan 22	Fri Jan 23	Sat Jan 24	Sun Jan 25	Mon Jan 26	Tue Jan 27	Wed Jan 28	Thu Jan 29	Fri Jan 30	Sat Jan 31	Sun Feb 01	Mon Feb 02	Tue Feb 03	Wed Feb 04
Vientiane LA
Xiangkhoang LA

Period	Vientiane	Xiangkhoang
Jan	53.0%	72.1%
Feb	45.5%	64.8%
Mar	43.2%	60.4%
Apr	46.3%	65.3%
May	63.3%	80.4%
Jun	76.7%	89.2%
Jul	81.7%	90.6%
Aug	84.6%	92.2%
Sep	83.7%	88.4%
Oct	79.6%	84.9%
Nov	69.3%	80.8%
Dec	60.8%	78.2%
Average	65.6%	78.9%

Period	Vientiane	Xiangkhoang
Jan	6:43	6:41
Feb	6:36	6:34
Mar	6:17	6:13
Apr	5:53	5:49
May	5:37	5:31
Jun	5:35	5:28
Jul	5:43	5:37
Aug	5:52	5:47
Sep	5:58	5:53
Oct	6:04	6:01
Nov	6:16	6:14
Dec	6:33	6:32
Average	6:06	6:00

Period	Vientiane	Xiangkhoang
Jan	17:55	17:49
Feb	18:10	18:05
Mar	18:19	18:16
Apr	18:26	18:23
May	18:35	18:34
Jun	18:46	18:45
Jul	18:48	18:46
Aug	18:35	18:32
Sep	18:11	18:08
Oct	17:47	17:43
Nov	17:34	17:28
Dec	17:38	17:31
Average	18:12	18:12

Weather in Laos

- -

- -

Daily Forecast