Helsinki (Vantaa) weather by month & the best time to visit
🇫🇮 Finland · city break · continental climate
The best time to visit Helsinki (Vantaa) is July — its sunniest month (Sunshine Score 75/100), with August and June close behind. Helsinki (Vantaa) averages about 1,584 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 71 mm of rain in July.
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- Sun hours / year
- 1,584
- Sunniest month
- July
- Peak score
- 75/100
- Rain / year
- 732 mm
- Snow / year
- ≈1.8 m
- Midday UV at peak
- 4 (moderate)
- Sea at warmest
- 20°C / 68°F
- Population
- 1.1M
- Elevation
- 48 m
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When is the best time to visit Helsinki (Vantaa)?
For sunshine, the best time to visit Helsinki (Vantaa) is July, then August and June. The dullest month is January (0/100, 56 mm of rain). The full month-by-month picture is in the table below.
How sunny is Helsinki (Vantaa)?
Helsinki (Vantaa) isn't a sunny place by world standards: about 1,584 hours of sunshine a year. 75 Sunshine Score points separate July (75) from January (0), so the month you pick matters. It ranks #13 of 20 destinations in Finland for annual sunshine, below the national median of 1,638 hours. The year's 732 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | -4° / 25°F | -8° / 18°F | 56 mm | 0 | 0° / 32°F |
| February | 0 | -3° / 27°F | -9° / 16°F | 45 mm | 0 | 0° / 32°F |
| March | 0 | 1° / 34°F | -6° / 21°F | 43 mm | 1 | 1° / 34°F |
| April | 0 | 8° / 46°F | 0° / 32°F | 44 mm | 2 | 3° / 37°F |
| May | 45 | 15° / 59°F | 5° / 41°F | 53 mm | 3 | 11° / 52°F |
| June | 68 | 19° / 66°F | 10° / 50°F | 75 mm | 4 | 18° / 64°F |
| July | 75 | 22° / 72°F | 13° / 55°F | 71 mm | 4 | 19° / 66°F |
| August | 75 | 20° / 68°F | 12° / 54°F | 70 mm | 3 | 20° / 68°F |
| September | 45 | 15° / 59°F | 8° / 46°F | 61 mm | 2 | 18° / 64°F |
| October | 0 | 8° / 46°F | 3° / 37°F | 77 mm | 1 | 12° / 54°F |
| November | 0 | 3° / 37°F | -1° / 30°F | 70 mm | 0 | 6° / 43°F |
| December | 0 | -1° / 30°F | -5° / 23°F | 67 mm | 0 | 3° / 37°F |
Sea temperature in Helsinki (Vantaa) by month
The sea off Helsinki (Vantaa) is warmest in August at around 20°C / 68°F, and coolest in January at 0°C / 32°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Helsinki (Vantaa) on the interactive sunshine globe →
Nearby places for sunshine
- Tallinn Estonia · 101 km · best in Jul · 1,693 h sun/yr
- St. Petersburg Russia · 300 km · best in Jul · 1,522 h sun/yr
- Riga Latvia · 382 km · best in Jul · 1,691 h sun/yr
- Stockholm Sweden · 398 km · best in Jul · 1,710 h sun/yr
- Umeå Sweden · 457 km · best in Jul · 1,887 h sun/yr
- Oulu / Oulunsalo Finland · 513 km · best in Jul · 1,711 h sun/yr
Nearest destinations
- Tampere / Pirkkala Finland · 142 km · 1,564 h sun/yr · best in Aug
- Turku Finland · 150 km · 1,640 h sun/yr · best in Jul
- Kärdla Estonia · 190 km · 1,751 h sun/yr · best in Jul
- Lappeenranta Finland · 191 km · 1,531 h sun/yr · best in Jul
- Pärnu Estonia · 213 km · 1,650 h sun/yr · best in Jul
Head-to-head
How Helsinki (Vantaa) compares month by month: Helsinki (Vantaa) vs St. Petersburg · Helsinki (Vantaa) vs Riga · Helsinki (Vantaa) vs Tallinn · all comparisons
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