San Juan weather by month › December
San Juan in December: weather and what to expect
It’s fine, but not the best. February is more pleasant.
December weather in San Juan
Daytime high86°F 30°C
Night low70°F 21°C
Rain5.4 in 138 mm
AirMuggy
SunSunny
In December, San Juan averages highs of 86°F (30°C) and lows of 70°F (21°C), with 5.4 in (138 mm) of rain. The air feels muggy and the sun is sunny. 1991–2020 averages, not a forecast.
Pack: light clothes and sun protection, a rain jacket or umbrella.
Places with the same weather in December
Match out of 100 for December, one city per country.
- New Kingston Jamaica · 85°F highs95
- Bujumbura Burundi · 85°F highs94
- San Pedro Sula Honduras · 85°F highs93
- Chennai India · 85°F highs92
- Villahermosa Mexico · 85°F highs92
- San Jose del Monte Philippines · 85°F highs91
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