Puerto Rico weather in January 2025

Expect 81°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Puerto Rico in January. Check more long-term weather averages for Puerto Rico in January before you book your next holiday to Puerto Rico in 2025/2026.

  • 81°F maximum daytime temperature in January in Puerto Rico (San Juan)81
    81°F max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in January in Puerto Rico (San Juan)20
    20 days with some rainfall
  • 68°F minimum night-time temperature in January in Puerto Rico (San Juan)68
    68°F min night temperature
  • 11 hours of daylight per day in January in Puerto Rico (San Juan)11
    11 hours of daylight per day
  • Moderate heat & humidity in January in Puerto Rico (San Juan)M
    Moderate heat & humidity
  • 4.6 inches monthly rainfall in January in Puerto Rico (San Juan)4.6
    4.6 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in January in Puerto Rico (San Juan)8
    8 (Very High) UV index
  • 79°F sea temperature in January in Puerto Rico (San Juan)79
    79°F sea temperature

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The January weather guide for Puerto Rico (San Juan) 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.

Top Puerto Rico destinations

Below are average maximum temperatures at popular countries, regions and places in Puerto Rico in January. Select a holiday destination to see more weather parameters.

All Puerto Rico destinations

Metric (°C)  |  Imperial (°F)

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More about Puerto Rico

How hot is it in Puerto Rico in January?

Daytime temperatures usually reach 81°F in San Juan, Puerto Rico in January with moderate heat and humidity, falling to 68°F at night.

How sunny is it in Puerto Rico in January?

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

How warm is the sea around Puerto Rico in January?

The average sea temperature around San Juan, Puerto Rico in January is 79°F.

Does it rain in Puerto Rico in January?

There are usually 20 days with some rain in San Juan, Puerto Rico in January and the average monthly rainfall is 4.6 inches.

Puerto Rico January sunrise & sunset times

Browse the sunrise and sunset times for Puerto Rico in January 2025. Select a month to view Puerto Rico sunrise and sunset times for the next 12 months. The Puerto Rico sunrise and sunset times shown below are for San Juan.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 06:57 18:00
Thursday, 16th January 2025 07:00 18:09
Friday, 31st January 2025 06:58 18:18

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