San Juan weather in January 2022

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  • 27°C maximum daytime temperature in January in San Juan27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in January in San Juan20
    20 days with some rainfall
  • 20°C minimum night-time temperature in January in San Juan20
    20°C min night temperature
  • 11 hours of daylight per day in January in San Juan11
    11 hours of daylight per day
  • Moderate heat & humidity in January in San JuanM
    Moderate heat & humidity
  • 116 mm monthly rainfall in January in San Juan116
    116 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in San Juan8
    8 (Very High) UV index
  • 26°C sea temperature in January in San Juan26
    26°C sea temperature
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The January weather guide for San Juan, Puerto Rico shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

How hot is it in San Juan in January?

Daytime temperatures usually reach 27°C in San Juan in January with moderate heat and humidity, falling to 20°C at night.

How sunny is it in San Juan in January?

There are normally 8 hours of bright sunshine each day in San Juan in January - that's 69% of daylight hours.

How warm is the sea around San Juan in January?

The average sea temperature around San Juan in January is 26°C.

Does it rain in San Juan in January?

There are usually 20 days with some rain in San Juan in January and the average monthly rainfall is 116mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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San Juan sunrise & sunset times for January 2022

Browse the sunrise and sunset times for San Juan in January 2022. Select a month to view San Juan sunrise & sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st January 2022 06:57 18:00
Sunday, 16th January 2022 07:00 18:09
Monday, 31st January 2022 06:58 18:18
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