+60.1695° · +24.9354° · ELEV 0m
Helsinki
Finland · Uusimaa
Monthly weather averages for Helsinki, Finland — temperature highs and lows, rainfall, sunshine hours by month, and the best time to visit.
№ 01
July → JanuaryClimate Overview
Helsinki has a temperate climate. The warmest month is July (21°C average high) and the coolest is January (-1°C).
№ 02
766 mm / yearRainfall by Month
Helsinki sees 766 mm of rain a year. The wettest month is August (90 mm); the driest is April (38 mm).
№ 03
June–AugustBest Time to Visit
June–August
11°C – 21°C · 13.0h sun
The best time to visit Helsinki is June–August, when temperatures average 11°C–21°C with 13.0 sunshine hours per day.
Some visitors prefer May for cooler, drier conditions.
№ 04
12 months · °C · mm · hoursMonthly Breakdown
| January | -1.1°C | -5.4°C | 67 mm | 1.3 h | 09:09 | 15:49 |
|---|---|---|---|---|---|---|
| February | -0.2°C | -4.8°C | 59 mm | 3.4 h | 08:00 | 17:08 |
| March | 2.2°C | -3.4°C | 44 mm | 6.9 h | 06:38 | 18:20 |
| April | 7.5°C | 0.4°C | 38 mm | 10.5 h | 06:03 | 20:36 |
| May | 13.4°C | 5.8°C | 56 mm | 12.6 h | 04:41 | 21:51 |
| June | 18.5°C | 11.4°C | 62 mm | 14.3 h | 03:54 | 22:46 |
| July | 20.7°C | 14.0°C | 75 mm | 13.6 h | 04:21 | 22:30 |
| August | 19.9°C | 13.9°C | 90 mm | 11.1 h | 05:33 | 21:16 |
| September | 15.2°C | 10.0°C | 63 mm | 8.3 h | 06:47 | 19:44 |
| October | 8.8°C | 4.5°C | 76 mm | 4.6 h | 07:58 | 18:13 |
| November | 4.4°C | 1.0°C | 71 mm | 1.8 h | 08:18 | 15:51 |
| December | 1.2°C | -2.6°C | 65 mm | 1.3 h | 09:18 | 15:11 |