Best year time to visit Helsinki

General weather information about Helsinki

Average annual temperature is 6.4 °C

Absolute maximum temperature: 23.6 °C

Absolute minimum temperature: -10.9 °C

Number of sunny days: 136 days

Number of rainy days: 177 days

Number of snow days: 52 days

Look at detailed online map of Helsinki

* Weather data for Helsinki Finland is based on climate observations for 2026 year

Helsinki air temperature forecast for each month

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Absolute maximum temperature (°C)	3.3	5.4	4.0	10.5	15.3	23.6	18.8	22.7	19.3	14.6	9.5	4.1
Average daytime temperature (°C)	0.6	0.5	0.7	5.0	9.9	15.9	16.6	18.3	17.2	8.3	3.2	-0.9
Average temperature (°C)	-0.8	-1.2	-1.2	3.0	7.9	13.9	15.4	17.1	15.9	6.5	1.7	-2.5
Average night temperature (°C)	-2.3	-3.6	-3.4	0.9	5.6	11.8	13.9	15.6	14.1	4.6	0.1	-4.0
Absolute minimum temperature (°C)	-10.0	-10.2	-10.5	-5.9	-0.5	5.1	12.5	13.8	9.2	-2.0	-9.0	-10.9

Helsinki monthly weather indicators

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daylight maximum duration (h)	7.0	10.0	13.0	15.0	18.0	18.0	18.0	16.0	14.0	11.0	8.0	6.0
Daylight mean duration (h)	6.8	9.1	11.8	14.6	17.2	18.8	18.0	15.6	12.9	10.1	7.5	6.0
Daylight minimum duration (h)	5.0	7.0	10.0	13.0	15.0	18.0	16.0	14.0	11.0	8.0	6.0	5.0
Sunshine mean duration (h)	1.0	2.4	5.8	11.2	13.1	15.7	13.2	9.6	8.4	4.2	1.3	0.7
Precipitation (mm)	103	49	73	16	30	24	73	107	52	127	90	67
Sunny days	6	9	9	22	19	23	11	12	12	6	4	3
Rainy days	18	10	11	7	12	7	20	19	18	23	18	14
Snow days	7	9	11	1	0	0	0	0	0	2	8	14

Helsinki - weather forecast by months

Helsinki weather in january Helsinki weather in february Helsinki weather in march Helsinki weather in april Helsinki weather in may Helsinki weather in june Helsinki weather in july Helsinki weather in august Helsinki weather in september Helsinki weather in october Helsinki weather in november Helsinki weather in december

Best time to visit Helsinki:

The best time to visit Helsinki during the most sunny months:

April — 11.2(h)
May — 13.1(h)
June — 15.7(h)
July — 13.2(h)
August — 9.6(h)

Months with the longest average daylight duration in Helsinki:

May — 17.2(h)
June — 18.8(h)
July — 18.0(h)
August — 15.6(h)

The largest precipitation sum in Helsinki is at

January — 103(mm)

August — 107(mm)

October — 127(mm)

November — 90(mm)

Weather forecast in the closest to Helsinki admin centers