Helsinki, Uusimaa, Finland climate
Average temperatures, precipitation and all-time records for Helsinki, Uusimaa, Finland, with every day graded against ~45 years of local climate history (1981–2026). Its warmest month is July, averaging a high of 19°C, and its coldest is February, with an average low of -6°C.
Helsinki, until about 1930 known in English by its Swedish name of Helsingfors, is the capital and most populous city in Finland. It is on the shore of the Gulf of Finland and is the seat of southern Finland's Uusimaa region. via Wikipedia
How today compares
Latest recorded day: 2026-07-21. Each reading placed on Helsinki, Uusimaa, Finland's own ±7-day seasonal distribution.
Helsinki average temperatures by month
Typical daily high and low, and average precipitation, for each month in Helsinki, Uusimaa, Finland, based on 1981–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | -1°C | -5°C | 3 mm |
| February | -3°C | -6°C | 3 mm |
| March | 0°C | -4°C | 3 mm |
| April | 5°C | 0°C | 3 mm |
| May | 11°C | 5°C | 3 mm |
| June | 15°C | 11°C | 3 mm |
| July | 19°C | 15°C | 3 mm |
| August | 19°C | 15°C | 3 mm |
| September | 14°C | 11°C | 3 mm |
| October | 9°C | 6°C | 3 mm |
| November | 4°C | 2°C | 3 mm |
| December | 1°C | -2°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
Thinking of visiting Helsinki?
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Record extremes
- Hottest day on record: 28°C on 2019-07-28
- Coldest day on record: -29°C on 1987-01-11
Percentiles compare each day to Helsinki, Uusimaa, Finland's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →