Helsinki weather in July
July in Helsinki: nice, rainy, with clean air — one of the best months to visit.
#2 of 12 months in Helsinki · #126 of 604 destinations to visit in July · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Helsinki climate normals — July
| Daytime high | 21°C / 69°F | 😎 nice |
|---|---|---|
| Nighttime low | 15°C / 58°F | |
| Feels like (high) | 20°C / 68°F | |
| Rainfall | 87 mm / 3.4 in | 🌧 rainy |
| Rainy days | 13 days | |
| Humidity | 75% | 💦 very humid |
| Dew point | 13°C / 55°F | |
| Sunshine | 13.8 h/day | |
| Daylight | 18 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 42 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Helsinki in July — FAQ
- Is July a good time to visit Helsinki?
- July in Helsinki: nice, rainy, with clean air — one of the best months to visit. It ranks #2 of 12 months for Helsinki on SeasonMap's comfort score (88/100).
- What is the weather like in Helsinki in July?
- In July, Helsinki averages a daily high of 20.8°C and a low of 14.6°C, with about 86.5 mm of rain over roughly 12.8 rainy days.
- What is the air quality in Helsinki in July?
- Helsinki has a mean US Air Quality Index of about 42 in July.