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San Juan — weather in May, water temperature

29.1°C Daytime temperatures 24.8°C Night temperatures 9 Sunny days 12.8-13.2 Sun (hours) 3 Rainy days 51.1 mm Precipitation 27.2°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The maximum daily temperature 32.7°C — 29 May 2015.
The maximum night temperature 27°C — 15 May 2017.
The minimum daily temperature 0°C — 17 May 2020.
The minimum night temperature 21.5°C — 2 May 2016.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 28.6 °C — 29 May 2020. The coldest water 26.1 °C — 21 May 2018.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 1243.6 mm — January. Minimum precipitation 43.1 mm — April.
Wind speed, km / h
Maximum wind speed 20.3 km / h — July. Minimum wind speed 13.9 km / h — October.
Number of hours of sunshine
The maximum number of hours of sunshine per day 7.8 h. — June. The minimum number of hours of sunshine per day 5.5 h. — December.
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