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 temperatures in Helsinki, Turku, and Espoo are very similar throughout the year, while Tampere tends to be slightly colder in winter months and have slightly wider temperature ranges.
All four cities experience discomfort temperatures in the winter months (November to March) and comfortable temperatures in the summer, especially in July and August.
Tampere differs with slightly colder temperatures. In July, Tampere reaches a maximum average temperature of 21.3C, slightly exceeding Helsinki, Espoo and Turku.

Maximum Temperatures

Period	Helsinki	Tampere	Espoo	Turku
Jan	-0.6°C	-2.4°C	-0.6°C	-0.4°C
Feb	-1.0°C	-2.1°C	-0.9°C	-0.6°C
Mar	1.8°C	1.6°C	1.9°C	2.2°C
Apr	6.4°C	7.0°C	6.6°C	7.1°C
May	13.0°C	15.0°C	13.2°C	13.4°C
Jun	18.7°C	20.5°C	18.9°C	19.0°C
Jul	20.6°C	21.4°C	20.7°C	20.6°C
Aug	20.0°C	20.4°C	20.2°C	19.8°C
Sep	15.2°C	14.7°C	15.4°C	15.2°C
Oct	9.4°C	8.0°C	9.4°C	9.4°C
Nov	4.8°C	3.0°C	4.8°C	5.0°C
Dec	0.9°C	-1.1°C	0.8°C	0.9°C
Average	9.2°C	9.1°C	8.8°C	9.3°C

Minimum Temperatures

Period	Helsinki	Tampere	Espoo	Turku
Jan	-4.7°C	-7.0°C	-4.8°C	-4.7°C
Feb	-5.2°C	-7.3°C	-5.2°C	-5.2°C
Mar	-2.7°C	-4.4°C	-2.7°C	-2.9°C
Apr	1.0°C	-0.5°C	1.0°C	0.8°C
May	6.2°C	5.2°C	6.3°C	5.9°C
Jun	11.8°C	10.8°C	11.8°C	11.4°C
Jul	14.2°C	12.7°C	14.1°C	13.8°C
Aug	14.3°C	12.2°C	14.1°C	13.9°C
Sep	10.4°C	8.0°C	10.2°C	9.8°C
Oct	5.8°C	3.3°C	5.6°C	5.5°C
Nov	1.8°C	-0.5°C	1.8°C	1.8°C
Dec	-2.7°C	-5.3°C	-2.8°C	-2.6°C
Average	4.1°C	4.2°C	2.3°C	4.0°C

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

Conditions #

In terms of sunlight hours, all cities experience low sun exposure during the winter months, but Turku and Helsinki show a notable peak in May, aligning closely with each other at over 10 hours.
Contrastingly, precipitation levels vary, with Tampere generally receiving higher rainfall during the summer months compared to other cities, while Turku experiences a slight increase in September. Overall, Espoo tends to have slightly more sunny days than both Tampere and Helsinki, while Turku stands out for having a prolonged period of sunshine in late spring.

Sunny Weather

Period	Helsinki	Tampere	Espoo	Turku
Jan	1.0 hours/day	0.7 hours/day	1.0 hours/day	0.9 hours/day
Feb	1.8 hours/day	1.4 hours/day	1.9 hours/day	2.2 hours/day
Mar	2.9 hours/day	2.5 hours/day	3.0 hours/day	3.6 hours/day
Apr	4.6 hours/day	3.5 hours/day	4.5 hours/day	4.7 hours/day
May	7.8 hours/day	6.8 hours/day	7.7 hours/day	8.0 hours/day
Jun	9.7 hours/day	8.3 hours/day	9.6 hours/day	9.6 hours/day
Jul	7.3 hours/day	5.6 hours/day	7.2 hours/day	6.9 hours/day
Aug	5.9 hours/day	4.5 hours/day	5.8 hours/day	6.0 hours/day
Sep	4.1 hours/day	3.8 hours/day	4.1 hours/day	4.7 hours/day
Oct	2.2 hours/day	1.9 hours/day	2.2 hours/day	2.3 hours/day
Nov	1.4 hours/day	1.2 hours/day	1.3 hours/day	1.4 hours/day
Dec	0.8 hours/day	0.6 hours/day	0.7 hours/day	0.8 hours/day
Average	4.1 hours/day	4.1 hours/day	3.4 hours/day	4.3 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	Helsinki	Tampere	Espoo	Turku
Jan	3.0mm	2.3mm	3.1mm	2.7mm
Feb	2.3mm	1.8mm	2.4mm	2.0mm
Mar	2.3mm	1.9mm	2.3mm	2.0mm
Apr	1.7mm	1.7mm	1.6mm	1.3mm
May	1.7mm	1.5mm	1.6mm	1.2mm
Jun	1.9mm	2.1mm	1.8mm	1.6mm
Jul	2.7mm	2.8mm	2.5mm	2.7mm
Aug	2.7mm	2.9mm	2.5mm	3.2mm
Sep	2.5mm	2.1mm	2.4mm	2.4mm
Oct	2.5mm	2.3mm	2.5mm	2.4mm
Nov	2.2mm	2.2mm	2.2mm	1.8mm
Dec	2.7mm	2.4mm	2.7mm	2.3mm
Average	2.3mm	2.3mm	2.2mm	2.1mm

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

Wind Speed

Period	Helsinki	Tampere	Espoo	Turku
Jan	23.6km/h	16.9km/h	22.1km/h	21.6km/h
Feb	21.9km/h	16.3km/h	20.7km/h	20.1km/h
Mar	21.3km/h	16.6km/h	20.2km/h	19.9km/h
Apr	19.8km/h	15.3km/h	18.8km/h	18.4km/h
May	18.4km/h	14.9km/h	17.5km/h	17.6km/h
Jun	19.0km/h	15.2km/h	18.2km/h	18.3km/h
Jul	18.1km/h	13.7km/h	17.3km/h	17.7km/h
Aug	19.1km/h	14.9km/h	18.0km/h	18.6km/h
Sep	20.3km/h	14.6km/h	19.0km/h	18.9km/h
Oct	23.4km/h	16.4km/h	21.7km/h	21.7km/h
Nov	23.0km/h	15.7km/h	21.3km/h	20.9km/h
Dec	22.5km/h	15.6km/h	21.0km/h	20.5km/h
Average	19.7km/h	20.9km/h	15.5km/h	19.5km/h

Humidity

Period	Helsinki	Tampere	Espoo	Turku
Jan	88.7%	91.3%	89.1%	88.6%
Feb	87.7%	90.7%	88.0%	87.8%
Mar	83.8%	84.9%	84.0%	82.9%
Apr	77.0%	75.9%	76.3%	74.6%
May	68.2%	62.8%	67.0%	67.4%
Jun	69.7%	64.1%	68.4%	69.1%
Jul	73.9%	71.3%	73.0%	73.4%
Aug	76.2%	74.5%	75.5%	76.4%
Sep	78.6%	80.0%	78.4%	78.6%
Oct	82.7%	85.7%	82.8%	83.2%
Nov	84.6%	89.0%	85.1%	85.3%
Dec	87.5%	92.1%	88.0%	87.9%
Average	79.6%	79.9%	80.2%	79.6%

Daylight Hours #

Tampere has both the earliest sunrise in June and the latest sunset, resulting in the longest days compared to other cities. Turku experiences the latest sunrise but also the latest sunset, leading to the second-longest days.
Helsinki and Espoo have very similar sunrise and sunset times, resulting in almost identical day lengths throughout the year. The shortest days are observed in Tampere.

Sunrise Time

Period	Helsinki	Tampere	Espoo	Turku
Jan	9:05	9:21	9:07	9:19
Feb	7:59	8:09	8:00	8:11
Mar	6:40	6:44	6:41	6:50
Apr	6:02	6:03	6:04	6:12
May	4:40	4:35	4:41	4:49
Jun	3:58	3:46	3:58	4:05
Jul	4:26	4:17	4:26	4:34
Aug	5:36	5:34	5:37	5:46
Sep	6:49	6:52	6:50	6:59
Oct	7:58	8:05	7:59	8:08
Nov	8:20	8:34	8:21	8:32
Dec	9:17	9:35	9:19	9:30
Average	6:48	6:42	6:48	6:54

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

Sunset Time

Period	Helsinki	Tampere	Espoo	Turku
Jan	15:54	15:48	15:55	16:02
Feb	17:10	17:10	17:11	17:20
Mar	18:31	18:35	18:31	18:41
Apr	20:40	20:49	20:41	20:52
May	21:55	22:11	21:56	22:08
Jun	22:44	23:06	22:46	22:58
Jul	22:25	22:43	22:26	22:38
Aug	21:11	21:22	21:12	21:23
Sep	19:40	19:46	19:41	19:51
Oct	18:03	18:05	18:04	18:13
Nov	15:50	15:46	15:51	15:59
Dec	15:16	15:07	15:16	15:23
Average	19:06	19:06	19:12	19:18

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

Useful Day Length

Period	Helsinki	Tampere	Espoo	Turku
Jan	6:49 hours	6:27 hours	6:47 hours	6:44 hours
Feb	9:11 hours	9:01 hours	9:11 hours	9:09 hours
Mar	11:31 hours	11:35 hours	11:31 hours	11:41 hours
Apr	13:40 hours	13:49 hours	13:41 hours	13:52 hours
May	14:55 hours	15:11 hours	14:56 hours	15:08 hours
Jun	15:44 hours	16:06 hours	15:46 hours	15:58 hours
Jul	15:25 hours	15:43 hours	15:26 hours	15:38 hours
Aug	14:11 hours	14:22 hours	14:12 hours	14:23 hours
Sep	12:40 hours	12:46 hours	12:41 hours	12:51 hours
Oct	10:05 hours	9:59 hours	10:05 hours	10:05 hours
Nov	7:31 hours	7:13 hours	7:30 hours	7:27 hours
Dec	5:59 hours	5:31 hours	5:58 hours	5:53 hours
Average	11:30 hours	11:30 hours	11:30 hours	11:36 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?