San Jose weather in January 2025

Expect 73°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in San Jose in January. Check more long-term weather averages for San Jose in January before you book your next holiday to Costa Rica in 2025/2026.

  • 73°F maximum daytime temperature in January in San Jose73
    73°F max day temperature
  • 7 hours of sunshine per day
  • 12 days with some rainfall in January in San Jose12
    12 days with some rainfall
  • 59°F minimum night-time temperature in January in San Jose59
    59°F min night temperature
  • 12 hours of daylight per day in January in San Jose12
    12 hours of daylight per day
  • No heat & humidity in January in San Jose0
    No heat & humidity
  • 0.2 inches monthly rainfall in January in San Jose0.2
    0.2 inches of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in San Jose11
    11 (Extreme) UV index

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The January weather guide for Costa Rica (San Jose) 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.

Metric (°C)  |  Imperial (°F)

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How hot is it in San Jose in January?

Daytime temperatures usually reach 73°F in San Jose in January, falling to 59°F at night.

How sunny is it in San Jose in January?

There are normally 7 hours of bright sunshine each day in San Jose in January - that's 58% of daylight hours.

Does it rain in San Jose in January?

There are usually 12 days with some rain in San Jose in January and the average monthly rainfall is 0.2 inches.

San Jose January sunrise & sunset times

Browse the sunrise and sunset times for San Jose in January 2025. Select a month to view San Jose sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:53 17:27
Thursday, 16th January 2025 05:58 17:35
Friday, 31st January 2025 05:59 17:41

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