Climate of Helsinki, Uusimaa, Finland
Point-value climate at Helsinki (Uusimaa, Finland). Population approximately 1,115,000.
Located in Uusimaa, Finland, Helsinki has a seasonal climate. Population approximately 1,115,000. Monthly average temperatures range from -5.5°C / 22.1°F in February to 17°C / 62.6°F in July, with rainfall varying from 32 mm / 1.3 in (May) to 75 mm / 3 in (August) — about 629 mm / 24.8 in across the year. As the national capital of Finland, it's often the primary gateway for travellers. These are point-value climate normals sampled at Helsinki's coordinates — often quite different from the surrounding region's area-weighted average.
Best sunny months: June.
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | -4.8°C23.4°F | 44 mm1.7″ | Snowy |
| February | -5.5°C22.1°F | 34 mm1.3″ | Snowy |
| March | -1.8°C28.8°F | 38 mm1.5″ | Snowy |
| April | 3°C37.4°F | 36 mm1.4″ | — |
| May | 9.5°C49.1°F | 32 mm1.3″ | — |
| June | 14.5°C58.1°F | 47 mm1.9″ | Sunny & Mild |
| July | 17°C62.6°F | 65 mm2.6″ | — |
| August | 15.7°C60.3°F | 75 mm3″ | — |
| September | 10.8°C51.4°F | 65 mm2.6″ | — |
| October | 6°C42.8°F | 72 mm2.8″ | — |
| November | 1.2°C34.2°F | 66 mm2.6″ | Snowy |
| December | -2.4°C27.7°F | 55 mm2.2″ | Snowy |
Frequently asked questions
What is the best time to visit Helsinki?
The months with the sunniest, driest weather are June. Helsinki's warmest month is July at an average of 17°C / 62.6°F, and its driest month is May with about 32 mm / 1.3 in of rain.
What is the climate of Helsinki?
Helsinki, in Uusimaa, Finland, has monthly average temperatures ranging from -5.5°C / 22.1°F in February to 17°C / 62.6°F in July. Annual rainfall is approximately 629 mm / 24.8 in, with the wettest month being August (75 mm / 3 in) and the driest May (32 mm / 1.3 in).
What is the average temperature in Helsinki in July?
The average temperature in Helsinki in July is 17°C / 62.6°F, with rainfall of about 65 mm / 2.6 in — the warmest month of the year.
When is the driest month in Helsinki?
The driest month in Helsinki is May, with about 32 mm / 1.3 in of average monthly rainfall. Average temperature that month is 9.5°C / 49.1°F.
When is the wettest month in Helsinki?
The wettest month in Helsinki is August, with approximately 75 mm / 3 in of average monthly rainfall.