Santorini weather live forecast

Today's maximum temperature in Santorini is expected to be 16°C. Select a day from the live weather forecast for Santorini (Thira), Greece for more weather parameters.

5-day weather forecast updated at 04:02 on Friday 19th December 2025 GMT

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The 5-day weather forecast for Santorini (Thira) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Below are temperatures expected today at popular countries, regions and places in Santorini. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Santorini weather forecast by day

Below are the detailed weather forecasts for Santorini for the next 5 days. The forecasts shown are for Thira and may not represent the whole of Santorini. Browse more destinations in Santorini to view more weather forecasts.

Santorini weather for Friday 19th December 2025

Expect broken clouds in Santorini with a maximum temperature of 16°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

  • 16°C maximum temperature16
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the North-West13
    kph wind from NW

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Santorini weather for Saturday 20th December 2025

Expect overcast skies in Santorini with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

  • 17°C maximum temperature17
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Overcast skies
    overcast skies
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 14 kph from the South-East14
    kph wind from SE

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Santorini weather for Sunday 21st December 2025

Expect isolated thunderstorms in Santorini with a maximum temperature of 17°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 45% chance of some rain and a gentle breeze of 13 kph from the south.

  • 17°C maximum temperature17
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 5 hours of bright sunshine5
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 45% chance of some rain45
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the South13
    kph wind from S

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Santorini weather for Monday 22nd December 2025

Expect broken clouds in Santorini with a maximum temperature of 17°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the North10
    kph wind from N

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Santorini weather for Tuesday 23rd December 2025

Expect isolated thunderstorms in Santorini with a maximum temperature of 18°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 18 kph from the south-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 33% chance of some rain33
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the South-East18
    kph wind from SE

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Metric (°C / mm)  |  Imperial (°F / inches)

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