Climate · Finland

Helsinki

Mild and damp from June to September; cold and damp from December to March.

Typical weather, averaged over 30 years60.2°N0 m above the sea
  1. Jan31°-1°21°-6°Rain on about three days a week.
  2. Feb30°-1°19°-7°Rain on about three days a week.
  3. Mar36°2°23°-5°Rain on about two days a week.
  4. Apr47°8°31°-1°Rain on about two days a week.
  5. May58°14°42°6°Rain on about two days a week.
  6. Jun67°19°52°11°Rain on about three days a week.
  7. Jul73°23°58°14°Rain on about three days a week.
  8. Aug72°22°58°14°Rain on about three days a week.
  9. Sep63°17°51°11°Rain on about three days a week.
  10. Oct52°11°42°6°Rain on about three days a week.
  11. Nov43°6°34°1°Rain on about three days a week.
  12. Dec36°2°26°-3°Rain on about three days a week.
Each month: its typical high and low, and dots for wet days a week. Tap a month to open it.The best months

The warm season runs from June to September, with highs near 69°F and nights near 55°F. From December to March, highs are nearer 33°F. Rain and snow come in two spells, from July to August and from October to February. March to May is the driest stretch, with rain or snow on about two days a week. Daylight runs from about 6 hours in December to 19 hours in June.The warm season runs from June to September, with highs near 21°C and nights near 13°C. From December to March, highs are nearer 1°C. Rain and snow come in two spells, from July to August and from October to February. March to May is the driest stretch, with rain or snow on about two days a week. Daylight runs from about 6 hours in December to 19 hours in June.

Where Helsinki sits

Europe/Helsinki

this place
typical high in Januarytypical high in Februarytypical high in Marchtypical high in Apriltypical high in Maytypical high in Junetypical high in Julytypical high in Augusttypical high in Septembertypical high in Octobertypical high in Novembertypical high in December 40°F4°C95°F35°C
Latitude
60.2°Nnorthern hemisphere
Above the sea
0 mlow-lying
Sunrise, mid-JanuarySunrise, mid-FebruarySunrise, mid-MarchSunrise, mid-AprilSunrise, mid-MaySunrise, mid-JuneSunrise, mid-JulySunrise, mid-AugustSunrise, mid-SeptemberSunrise, mid-OctoberSunrise, mid-NovemberSunrise, mid-December
9:10 AM8:02 AM6:40 AM6:06 AM4:43 AM3:54 AM4:20 AM5:32 AM6:45 AM7:57 AM8:17 AM9:18 AMsets 3:47 PMsets 5:07 PMsets 6:20 PMsets 8:35 PMsets 9:50 PMsets 10:46 PMsets 10:32 PMsets 9:18 PMsets 7:46 PMsets 6:14 PMsets 3:53 PMsets 3:12 PM
Nearest of ours
Rovaniemi706 km north

The land around Helsinki, shaded by its typical high in January, the planning map's own layer.The land around Helsinki, shaded by its typical high in February, the planning map's own layer.The land around Helsinki, shaded by its typical high in March, the planning map's own layer.The land around Helsinki, shaded by its typical high in April, the planning map's own layer.The land around Helsinki, shaded by its typical high in May, the planning map's own layer.The land around Helsinki, shaded by its typical high in June, the planning map's own layer.The land around Helsinki, shaded by its typical high in July, the planning map's own layer.The land around Helsinki, shaded by its typical high in August, the planning map's own layer.The land around Helsinki, shaded by its typical high in September, the planning map's own layer.The land around Helsinki, shaded by its typical high in October, the planning map's own layer.The land around Helsinki, shaded by its typical high in November, the planning map's own layer.The land around Helsinki, shaded by its typical high in December, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Through the year

week by week

Temperature

Highs from 30°F in February to 73°F in July.Highs from -1°C in February to 23°C in July.

Chance of a wet day

Wettest in November (48% of days), driest in April (30%).

Cloud cover

Clearest in July (49% cover), cloudiest in November and December (77%).

Daylight

From 5h 57m in December to 18h 46m in June.

Week by week, lightly smoothed. Shading marks the seasons; the olive line, the best months. Hover or tap a week for its figures.

Month by month

°F°C

Helsinki, month by month: the typical high and low, wet days a week, cloud cover and daylight.
MonthTypical low to highWet days a weekCloudDaylight
JanuaryWetter
21°-6°31°-1°
3 days75%6h 45m
FebruaryWetter
19°-7°30°-1°
3 days76%8h 59m
March
23°-5°36°2°
2 days68%11h 40m
April
31°-1°47°8°
2 days64%14h 31m
May
42°6°58°14°
2 days56%17h 11m
JuneWarm season
52°11°67°19°
3 days51%18h 46m
JulyWarm seasonAt its best
58°14°73°23°
3 days49%18h 00m
AugustWarm seasonAt its best
58°14°72°22°
3 days51%15h 32m
SeptemberWarm season
51°11°63°17°
3 days57%12h 42m
OctoberWetter
42°6°52°11°
3 days68%9h 52m
NovemberWetter
34°1°43°6°
3 days77%7h 20m
DecemberWetter
26°-3°36°2°
3 days77%5h 57m

When is the best time to visit Helsinki?


The best months are July to August: highs near 72°F, nights near 58°F, and rain on about three days a week.The best months are July to August: highs near 22°C, nights near 14°C, and rain on about three days a week.

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

Questions


What is the warmest month in Helsinki?

July, with highs near 73°F and lows near 58°F. The coolest is February, with highs near 30°F.July, with highs near 23°C and lows near 14°C. The coolest is February, with highs near -1°C.

When does it rain most in Helsinki?

November, with rain on about three days a week. April is the driest, with rain on about two days a week.

How long are the days in Helsinki?

From about 6 hours in December to 19 hours in June.

When are the skies clearest in Helsinki?

July, when cloud covers about 49% of the sky on average. November and December are the cloudiest, at about 77%.

Places with a year like Helsinki's

by their highs, lows and wet days

Their highs, lows, wet days and cloud run closest to Helsinki's through the year, one place a country. “Six months apart”: their winter is Helsinki's summer.

Elsewhere in Finland

All of Finland

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Helsinki. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.