San Jose weather in January 2026

Expect daytime maximum temperatures of 59°F in San Jose, Ibiza in January based on long-term weather averages. There are 5 hours of sunshine per day on average with 14 days with some rainfall.

  • 59°F maximum daytime temperature in January in San Jose59
    59°F max day temperature
  • 5 hours of sunshine per day
  • 14 days with some rainfall in January in San Jose14
    14 days with some rainfall
  • 46°F minimum night-time temperature in January in San Jose46
    46°F min night temperature
  • 10 hours of daylight per day in January in San Jose10
    10 hours of daylight per day
  • No heat & humidity in January in San Jose0
    No heat & humidity
  • 1.5 inches monthly rainfall in January in San Jose1.5
    1.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in San Jose2
    2 (Low) UV index
  • 59°F sea temperature in January in San Jose59
    59°F sea temperature

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The January weather guide for Ibiza (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 warm is it in San Jose in January?

Daytime temperatures usually reach 59°F in San Jose in January, falling to 46°F at night.

How sunny is it in San Jose in January?

There are normally 5 hours of bright sunshine each day in San Jose in January - that's 54% of daylight hours.

How warm is the sea around San Jose in January?

The average sea temperature around San Jose in January is 59°F.

Does it rain in San Jose in January?

There are usually 14 days with some rain in San Jose in January and the average monthly rainfall is 1.5 inches.

San Jose January sunrise & sunset times

Browse the sunrise and sunset times for San Jose in January 2026. Select a month to view San Jose sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 08:13 17:43
Friday, 16th January 2026 08:12 17:58
Saturday, 31st January 2026 08:02 18:15

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