Jaco weather in January 2025

Expect 30°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Jaco in January. Check more long-term weather averages for Jaco in January before you book your next holiday to Costa Rica in 2025/2026.

  • 30°C maximum daytime temperature in January in Jaco30
    30°C max day temperature
  • 7 hours of sunshine per day
  • 10 days with some rainfall in January in Jaco10
    10 days with some rainfall
  • 23°C minimum night-time temperature in January in Jaco23
    23°C min night temperature
  • 12 hours of daylight per day in January in Jaco12
    12 hours of daylight per day
  • Very high heat & humidity in January in JacoVH
    Very High heat & humidity
  • 0 mm monthly rainfall in January in Jaco0
    0 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in January in Jaco11
    11 (Extreme) UV index
  • 28°C sea temperature in January in Jaco28
    28°C sea temperature

More about Jaco

Jaco by month

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The January weather guide for Costa Rica (Jaco) 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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More about Costa Rica

How hot is it in Jaco in January?

Daytime temperatures usually reach 30°C in Jaco in January with very high heat and humidity, falling to 23°C at night.

How sunny is it in Jaco in January?

There are normally 7 hours of bright sunshine each day in Jaco in January - that's 64% of daylight hours.

How warm is the sea around Jaco in January?

The average sea temperature around Jaco in January is 28°C.

Does it rain in Jaco in January?

There are usually 10 days with some rain in Jaco in January and the average monthly rainfall is 0mm.

Jaco January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 05:55 17:30
Thursday, 16th January 2025 06:00 17:37
Friday, 31st January 2025 06:00 17:44

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