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Porvoo — weather in May, water temperature

10.4°C Daytime temperatures 6.9°C Night temperatures 13 Sunny days 16-18.4 Sun (hours) 3 Rainy days 40.7 mm Precipitation 7.3°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 22.3°C — 24 May 2014.
The maximum night temperature 17°C — 25 May 2014.
The minimum daily temperature 2.5°C — 5 May 2021.
The minimum night temperature -3°C — 9 May 2017.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2013 2012 2011
The warmest water 15.5 °C — 30 May 2018. The coldest water 2.7 °C — 1 May 2017.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 69.6 mm — October. Minimum precipitation 37.1 mm — March.
Wind speed, km / h
Maximum wind speed 23.5 km / h — December. Minimum wind speed 16.7 km / h — May.
Number of hours of sunshine
The maximum number of hours of sunshine per day 12.2 h. — June. The minimum number of hours of sunshine per day 1.5 h. — December.
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