San Jose weather in October 2025

Expect 24°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in San Jose in October. Check more long-term weather averages for San Jose in October before you book your next holiday to Costa Rica in 2025/2026.

  • 24°C maximum daytime temperature in October in San Jose24
    24°C max day temperature
  • 6 hours of sunshine per day
  • 23 days with some rainfall in October in San Jose23
    23 days with some rainfall
  • 17°C minimum night-time temperature in October in San Jose17
    17°C min night temperature
  • 12 hours of daylight per day in October in San Jose12
    12 hours of daylight per day
  • Low heat & humidity in October in San JoseL
    Low heat & humidity
  • 343 mm monthly rainfall in October in San Jose343
    343 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in October in San Jose11
    11+ (Extreme) UV index

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The October 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 / mm)  |  Imperial (°F / inches)

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How hot is it in San Jose in October?

Daytime temperatures usually reach 24°C in San Jose in October, falling to 17°C at night.

How sunny is it in San Jose in October?

There are normally 6 hours of bright sunshine each day in San Jose in October - that's 50% of daylight hours.

Does it rain in San Jose in October?

There are usually 23 days with some rain in San Jose in October and the average monthly rainfall is 343mm.

San Jose October sunrise & sunset times

Browse the sunrise and sunset times for San Jose in October 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 October 2025 05:25 17:27
Thursday, 16th October 2025 05:25 17:19
Friday, 31st October 2025 05:27 17:13

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