Experience the unique maritime climate of Helsinki, Finland, where summers are mild and humid, with temperatures averaging 15°C (59°F) in July. Winters are snowy and chilly, dipping to -6°C (21°F) in January. Interestingly, the city receives less rainfall than London, making it ideal for exploring during its long summer days. Don't miss a dip in the refreshing Baltic Sea at Hietaniemi Beach, a local favorite!
Today's Forecast
5-Day Forecast
Helsingfors Climate & Weather Averages
Helsingfors is warmest in July, when daytime highs average 20°C, and coldest in January at around -1°C. The wettest month is August. The table below shows the monthly averages for Helsingfors, based on recorded data from 2015–2024.
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | -1° | -6° | 68 mm |
| Feb | 0° | -5° | 63 mm |
| Mar | 2° | -4° | 45 mm |
| Apr | 7° | 0° | 45 mm |
| May | 14° | 6° | 48 mm |
| Jun | 19° | 12° | 56 mm |
| Jul | 20° | 14° | 80 mm |
| Aug | 20° | 14° | 83 mm |
| Sep | 15° | 10° | 70 mm |
| Oct | 9° | 5° | 80 mm |
| Nov | 4° | 1° | 78 mm |
| Dec | 1° | -3° | 66 mm |
Best time to visit: June–August offers the most comfortable conditions, with daytime highs around 20°C. Pack light, breathable layers and a light waterproof — Helsingfors sees rain year-round, peaking in August. For the coldest spell around January, bring a warm coat.
Source: Open-Meteo ERA5 archive. Averages computed from daily records.