Uusimaa weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Uusimaa, Finland. Like most weather services, we show Uusimaa at one spot: Helsinki, its largest city. At 2:45 AM local time it was cloudy and 7°C (45°F). Light rain for 7 of the next 24 hours (under 1 mm/h, 1.6 mm total) — cloudy, but fine to be out. Best months for weather: Jun–Aug.
Current conditions
- Clouds
- 100%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 7 of the next 24 hours (under 1 mm/h, 1.6 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jun–AugOff season Oct–Apr
About Helsinki weather
Is it raining in Helsinki right now?
No. It’s cloudy and 7° right now. Light rain for 7 of the next 24 hours (under 1 mm/h, 1.6 mm total) — cloudy, but fine to be out.
What’s the weather like in Helsinki this week?
Over the next 7 days, expect highs of 4–10° and lows of -1–7°. Rain is likely on 2 of 7 days (Sunday, Monday). The driest day looks like Thursday.
Has it been raining in Helsinki lately?
In the past 7 days, Helsinki had 3 rainy days and 12.3 mm of rain in total.
What should I pack for Helsinki?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Uusimaa weather by month
When is the best time to visit Uusimaa?
Based on weather alone, the best time to visit Uusimaa is Jun–Aug, according to NASA's 2001–2025 climate averages. Oct–Apr tends to be the least pleasant. Average highs run from -2°C (28°F) in February to 20°C (67°F) in July.
What is the rainiest month in Uusimaa?
October is the wettest month, with about 80 mm (3.1 in) of rain on average. April is the driest, with about 41 mm (1.6 in).
What is the hottest month in Uusimaa?
July is the warmest, with average highs of 20°C (67°F) and lows of 16°C (60°F). February is the coolest, with highs of -2°C (28°F) and lows of -5°C (22°F).
Does Uusimaa have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 80 mm (3.1 in).
Uusimaa weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Helsinki), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Uusimaa
Weather can differ a lot within Uusimaa: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Helsinki | Jun–Aug | None | -2–20°C | 713 mm |
| Espoo | Jun–Aug | None | -2–20°C | 727 mm |
| Vantaa | May–Aug | None | -4–22°C | 732 mm |
| East Helsinki | Jun–Aug | None | -2–20°C | 713 mm |
| Porvoo | May–Sep | None | -4–22°C | 724 mm |
| Järvenpää | May–Aug | None | -4–22°C | 732 mm |
| Lohja | Jun–Aug | None | -2–20°C | 727 mm |
| Nurmijärvi | May–Aug | None | -4–22°C | 732 mm |
| Hyvinge | May–Aug | None | -4–22°C | 732 mm |
| Tuusula | May–Aug | None | -4–22°C | 732 mm |
| Kirkkonummi | Jun–Aug | None | -2–20°C | 727 mm |
| Vuosaari | Jun–Aug | None | -2–20°C | 713 mm |
Cities and towns in Uusimaa
- Helsinki
- Espoo
- Vantaa
- East Helsinki
- Porvoo
- Järvenpää
- Lohja
- Nurmijärvi
- Hyvinge
- Tuusula
- Kirkkonummi
- Vuosaari
- Kerava
- Mellunkylä
- Vartiokylä
- Vihti
- Leppävaara
- Haaga
- Kallio
- Raseborg
- Kaarela
- Herttoniemi
- Oulunkylä
- Sibbo
- Matinkylä
- Laajasalo
- Klaukkala
- Mäntsälä
- Lauttasaari
- Suutarila
- Myyrmäki
- Pitäjänmäki
- Espoonlahti
- Munkkiniemi
- Olari
- Suurmetsä
- Taka-Töölö
- Viikki