Santorini weather in January 2025

Expect 57°F daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in Santorini in January. Check more long-term weather averages for Santorini in January before you book your next holiday to Santorini in 2025/2026.

  • 57°F maximum daytime temperature in January in Santorini (Thira)57
    57°F max day temperature
  • 4 hours of sunshine per day
  • 11 days with some rainfall in January in Santorini (Thira)11
    11 days with some rainfall
  • 48°F minimum night-time temperature in January in Santorini (Thira)48
    48°F min night temperature
  • 10 hours of daylight per day in January in Santorini (Thira)10
    10 hours of daylight per day
  • No heat & humidity in January in Santorini (Thira)0
    No heat & humidity
  • 4.5 inches monthly rainfall in January in Santorini (Thira)4.5
    4.5 inches of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Santorini (Thira)2
    2 (Low) UV index
  • 61°F sea temperature in January in Santorini (Thira)61
    61°F sea temperature

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The January weather guide for Santorini (Thira) 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 Santorini destinations

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

All Santorini destinations

Metric (°C)  |  Imperial (°F)

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How warm is it in Santorini in January?

Daytime temperatures usually reach 57°F in Thira, Santorini in January, falling to 48°F at night.

How sunny is it in Santorini in January?

There are normally 4 hours of bright sunshine each day in Thira, Santorini in January - that's 42% of daylight hours.

How warm is the sea around Santorini in January?

The average sea temperature around Thira, Santorini in January is 61°F.

Does it rain in Santorini in January?

There are usually 11 days with some rain in Thira, Santorini in January and the average monthly rainfall is 4.5 inches.

Santorini January sunrise & sunset times

Browse the sunrise and sunset times for Santorini in January 2025. Select a month to view Santorini sunrise and sunset times for the next 12 months. The Santorini sunrise and sunset times shown below are for Thira.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:30 17:14
Thursday, 16th January 2025 07:29 17:28
Friday, 31st January 2025 07:20 17:43

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