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What is the climate like in Île de Sein?

The climate of Île de Sein has an average yearly temperature of 16°C. Throughout the year, the average monthly temperature can drop to 10°C and rise to 22°C.

Annually, about 790 mm of rain falls. This gives a good overview of how much rain to expect in Île de Sein.

The best time to visit Île de Sein is June until September. During this period, you will experience pleasant temperatures and not too much rain, making it ideal to visit Île de Sein.

Temperature 10 to 22°C
Rain 790 mm
The climate of Île de Sein
  • Average yearly temperature: 16°C
  • Highest temperature: 22°C in July
  • Lowest temperature: 10°C in January
  • Rainfall: 790 mm per year, averaging 66 mm by month
  • Driest months: 37 mm in April, 38 mm in June and 39 mm in September
  • Wettest months: 111 mm in November, 99 mm in January and 93 mm in December

Climate table Île de Sein

The climate table for Île de Sein shows the average temperatures, rainfall, and UV index by month.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daytime temperature (°C) 10 11 12 15 17 20 22 21 20 17 13 12
Nighttime temperature (°C) 6 6 7 8 10 13 15 15 13 11 9 8
Rainfall (mm) 99 88 58 37 46 38 45 54 39 82 111 93
UV Index 2 3 5 6 7 6 7 7 5 4 3 2
Best month No No No No No Yes Yes Yes Yes No No No

Temperature by month in Île de Sein

This graph shows the average high temperatures in degrees Celsius for each month in Île de Sein, France

Temperature by month in Île de Sein, France

Rainfall by month in Île de Sein

This graph shows the average monthly rainfall in millimeters in Île de Sein, France.

Rainfall by month in Île de Sein, France

UV index by month in Île de Sein

This graph shows the average UV index by month in Île de Sein, France.

UV index by month in Île de Sein, France

Yearly temperature in Île de Sein

This graph shows the average yearly temperature in Île de Sein, France, measured in degrees Celsius.

Yearly temperature in Île de Sein, France

Yearly total rainfall in Île de Sein

This graph shows the average yearly rainfall in millimeters in Île de Sein, France.

Rainfall per year in Île de Sein, France

Weather experiences in Île de Sein

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Average weather in Île de Sein by month

Click on a month below to see in detail how the weather typically is in Île de Sein and what to expect. Based on the historical weather data of Île de Sein, you can view the average temperature, rainfall, wind, and UV index for each day of the month.