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Historical Weather in Helsinki, Finland

See 55+ years of weather history for any date in Helsinki going back to 1970.

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Searching weather history for Helsinki, Finland

Monthly Climate Averages

Historical temperature and precipitation averages for Helsinki, Finland, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 22°C (71°F) / Low: 14°C (58°F)
Coldest MonthFebruaryAvg High: -2°C (29°F) / Low: -7°C (20°F)
Jan
-2°/ -7°
29° / 20°F
💧 3 mm
Feb
-2°/ -7°
29° / 20°F
💧 2 mm
Mar
2°/ -4°
36° / 25°F
💧 3 mm
Apr
8°/ 1°
46° / 34°F
💧 3 mm
May
14°/ 7°
58° / 44°F
💧 4 mm
Jun
19°/ 11°
66° / 52°F
💧 4 mm
Jul
22°/ 14°
71° / 58°F
💧 5 mm
Aug
20°/ 13°
68° / 56°F
💧 6 mm
Sep
15°/ 9°
59° / 48°F
💧 4 mm
Oct
9°/ 4°
48° / 39°F
💧 5 mm
Nov
4°/ 0°
40° / 32°F
💧 4 mm
Dec
1°/ -4°
33° / 25°F
💧 3 mm

Temperatures shown in Celsius with Fahrenheit in parentheses. Rainfall in millimetres, snowfall in centimetres.

Helsinki Weather by Month

Helsinki All-Time Weather ExtremesRecord temperatures, most rain in a day, and biggest snowfalls on record
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