December Weather in Olonne-sur-Mer

Last updated: March 2, 2024

The weather in Olonne-sur-Mer, France, during December is characterized by an average temperature of 10°C (50°F). Highs can soar to 14°C (58°F), while lows may dip to 3°C (37°F). Typically, the humidity level in Olonne-sur-Mer throughout December hovers around 90%.

3°C (37°F)

Minimum temperature

10°C (50°F)

Average temperature

14°C (58°F)

Maximum temperature

90%

Humidity

Precipitation and Sunshine hours

In December, Olonne-sur-Mer averages 140 mm (5.5 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 8 hours 37 minutes of daylight, with the sun shining for approximately 6 hours 19 minutes each day. Additionally, there is a 37% probability of sunny days during this period.

140 mm (5.5 inches)

Precipitation

18 rainy days

Rainy days

6 hours 19 minutes

Sunshine hours

37%

Chance of sun

UV Index

In December, the UV Index in Olonne-sur-Mer reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 0 1 1 1 2 2 1 1 1 1 0 0
Exposure Low
Time to burn 45 min

Compare Olonne-sur-Mer's Climate with Cities Worldwide