Helsinki weather in April
April in Helsinki: cold, a little rain — a great time to visit.
#6 of 12 months in Helsinki · #464 of 604 destinations to visit in April · comfort 70/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Helsinki climate normals — April
| Daytime high | 8°C / 46°F | 🧥 cold |
|---|---|---|
| Nighttime low | 1°C / 33°F | |
| Feels like (high) | 4°C / 39°F | |
| Rainfall | 34 mm / 1.4 in | 🌦 some rain |
| Rainy days | 6 days | |
| Humidity | 73% | 💧 humid |
| Dew point | -1°C / 30°F | |
| Sunshine | 11.3 h/day | |
| Daylight | 14.6 h | |
| Wind | 18 km/h / 11 mph | |
| Snowfall | 8.1 cm / 3.2 in | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Helsinki in April — FAQ
- Is April a good time to visit Helsinki?
- April in Helsinki: cold, a little rain — a great time to visit. It ranks #6 of 12 months for Helsinki on SeasonMap's comfort score (70/100).
- What is the weather like in Helsinki in April?
- In April, Helsinki averages a daily high of 7.7°C and a low of 0.5°C, with about 34.3 mm of rain over roughly 6.4 rainy days.
- What is the air quality in Helsinki in April?
- Helsinki has a mean US Air Quality Index of about 51 in April.
- Does it snow in Helsinki in April?
- Helsinki sees roughly 8.1 cm of snowfall in April.