nomadseason

December Weather in Landerneau, France

Last updated: August 23, 2025

In December, the average temperature in Landerneau, France is a brisk 9°C (48°F). You can expect minimums of 1°C (33°F) and maximums reaching 14°C (58°F). During this month, precipitation averages 127 mm (5.0 in) over 18 days, contributing to a notably high average humidity of 90%.

December Temperature in Landerneau

In December in Landerneau, the average temperature is 9°C (48°F). The maximum can reach 14°C (58°F) and the minimum can be as low as 1°C (33°F). This makes it a great time to explore Landerneau while enjoying cool but mild weather.

December Weather in Landerneau: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Landerneau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Landerneau, December typically has an average temperature of 9°C (48°F), with highs reaching up to 14°C (58°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648515560636260555048
Data source: Temperature data for Landerneau generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Landerneau

In Landerneau in December, the precipitation amount is 127 mm (5.0 in) spread over 18 days.

December Precipitation Trends in Landerneau

The chart displays monthly precipitation patterns in Landerneau, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Landerneau, December typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec74927648678647585110988127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Landerneau

In Landerneau in December, humidity is 90%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration quite uncomfortable and requiring heavier layers to stay warm and dry.

December Average Humidity in Landerneau

This chart illustrates the average monthly humidity levels in Landerneau, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Landerneau is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%85%84%81%77%63%71%76%89%90%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Landerneau

In Landerneau in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Landerneau, you can visit Hourly UV Index in Landerneau.

Maximum UV Index Levels in Landerneau for December

The chart shows the monthly maximum UV Index (UVI) for Landerneau in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Landerneau typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986522
Data source: Landerneau December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How December Weather in Landerneau Compares to Other Months

Weather in Landerneau varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Landerneau, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Landerneau, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)74 mm (2.9 inches)89%low
February Weather8°C (47°F)92 mm (3.6 inches)88%moderate
March Weather9°C (48°F)76 mm (3.0 inches)85%moderate
April Weather10°C (51°F)48 mm (1.9 inches)84%high
May Weather13°C (55°F)67 mm (2.6 inches)81%very high
June Weather16°C (60°F)86 mm (3.4 inches)77%very high
July Weather17°C (64°F)47 mm (1.8 inches)63%very high
August Weather17°C (62°F)58 mm (2.3 inches)71%very high
September Weather15°C (60°F)51 mm (2.0 inches)76%high
October Weather13°C (55°F)109 mm (4.3 inches)89%moderate
November Weather10°C (50°F)88 mm (3.5 inches)90%low
December Weather9°C (48°F)127 mm (5.0 inches)90%low

Compare Landerneau's Climate with Cities Worldwide