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San Juan — weather December, water temperature

28.1°C Daytime temperatures 24°C Night temperatures 7 Sunny days 11-11.1 Sun (hours) 3 Rainy days 45.1 mm Precipitation 27.7°C water temperature
Air temperature
2017 2016 2015 2014 2013 2012
The maximum daily temperature 31.3°C — 10 December 2015.
The maximum night temperature 26°C — 4 December 2013.
The minimum daily temperature 25°C — 11 December 2017.
The minimum night temperature 20.5°C — 14 December 2017.
water temperature
2017 2016 2015 2014 2013
The warmest water 28.5 °C — 1 December 2016. The coldest water 26.8 °C — 28 December 2013.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 1986.9 mm — January. Minimum precipitation 29.2 mm — June.
Wind speed, km / h
Maximum wind speed 20.8 km / h — August. Minimum wind speed 14.3 km / h — October.
Number of hours of sunshine
The maximum number of hours of sunshine per day 8.6 h. — June. The minimum number of hours of sunshine per day 5.7 h. — December.
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