Porvoo weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: July
What is the weather like in Porvoo in July?
In July, Porvoo is warm: daytime highs average 22 °C, and nights cool down to about 15 °C. The sea averages 16.9 °C – swimming is only for the hardy. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 12 rainy days and 73 mm in total. All in all, July is a so-so month for a holiday in Porvoo.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 18 h 16 min04:15 – 22:31
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 15 km/haverage daily peakAll months
- Cloud cover
- 59 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+3Europe/Helsinki
How the score comes together
- Temperatureweight 35 %42 %
- Seaweight 25 %0 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %41 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Wetsuit for longer swims
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
- Rain jacket or umbrella
Porvoo in July: quick answers
Is Porvoo hot in July?
Warm rather than hot: in July, daytime highs in Porvoo average 22 °C and nights cool to about 15 °C.
Can you swim in Porvoo in July?
Only if you don't mind cold water: in July the sea averages just 16.9 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Porvoo in July?
Rain is frequent, with about 12 rainy days and 73 mm in total.
Porvoo month by month
The whole year in PorvooAll destinations: FinlandWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences