Porvoo weather
At 9:00 PM local time it was cloudy and 8°C (46°F). Light rain for 4 of the next 24 hours (under 1 mm/h, 1.3 mm total) — cloudy, but fine to be out. Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Porvoo, Uusimaa, Finland.
Current conditions
- Clouds
- 100%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 4 of the next 24 hours (under 1 mm/h, 1.3 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Oct–Apr
About Porvoo weather
Is it raining in Porvoo right now?
No. It’s cloudy and 8° right now. Light rain for 4 of the next 24 hours (under 1 mm/h, 1.3 mm total) — cloudy, but fine to be out.
What’s the weather like in Porvoo this week?
Over the next 7 days, expect highs of 4–9° and lows of -1–7°. Rain is likely on 2 of 7 days (Sunday, Monday). The driest day looks like Saturday.
Has it been raining in Porvoo lately?
In the past 7 days, Porvoo had 5 rainy days and 17.1 mm of rain in total.
What should I pack for Porvoo?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Porvoo weather by month
When is the best time to visit Porvoo?
Based on weather alone, the best time to visit Porvoo is May–Sep, according to NASA's 2001–2025 climate averages. Oct–Apr tends to be the least pleasant. Average highs run from -4°C (25°F) in January to 22°C (72°F) in July.
What is the rainiest month in Porvoo?
October is the wettest month, with about 76 mm (3.0 in) of rain on average. April is the driest, with about 42 mm (1.7 in).
What is the hottest month in Porvoo?
July is the warmest, with average highs of 22°C (72°F) and lows of 14°C (57°F). January is the coolest, with highs of -4°C (25°F) and lows of -8°C (17°F).
Does Porvoo have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 76 mm (3.0 in).
How warm is the sea in Porvoo?
The sea is warmest in August at about 20°C (69°F) and coolest in February at about 0°C (31°F). It stays cool all year.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months