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December Weather in Montrejeau, France

Last updated: August 23, 2025

In December, the average temperature in Montrejeau, France hovers around 4°C (40°F). Expect chilly conditions with minimum temperatures dipping to -11°C (13°F) and highs reaching up to 17°C (62°F). The month brings approximately 141 mm (5.5 in) of precipitation over 15 days, contributing to an average humidity of a brisk 88%.

December Temperature in Montrejeau

In December in Montrejeau, the average temperature is 4°C (40°F). The maximum can reach 17°C (62°F), while the minimum can plunge as low as -11°C (13°F). Be sure to pack layers to stay comfortable during your travels!

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

The chart illustrates December temperature patterns in Montrejeau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montrejeau, December typically has an average temperature of 4°C (40°F), with highs reaching up to 17°C (62°F) and lows dropping to around -11°C (13°F).
JanFebMarAprMayJunJulAugSepOctNovDec364143485461646459524239
Data source: Temperature data for Montrejeau generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Montrejeau

In Montrejeau in December, the total precipitation amount is 141 mm (5.5 in) over the course of 15 days.

December Precipitation Trends in Montrejeau

The chart displays monthly precipitation patterns in Montrejeau, 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 Montrejeau, December typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8879107136153187150123111101105141
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Montrejeau

In Montrejeau in December, humidity is 88%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and prompting you to seek cozy indoor activities instead.

December Average Humidity in Montrejeau

This chart illustrates the average monthly humidity levels in Montrejeau, 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 Montrejeau is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Montrejeau

In Montrejeau 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 Montrejeau, you can visit Hourly UV Index in Montrejeau.

Maximum UV Index Levels in Montrejeau for December

The chart shows the monthly maximum UV Index (UVI) for Montrejeau 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 Montrejeau typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Montrejeau 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 Montrejeau Compares to Other Months

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

This table compares monthly weather conditions in Montrejeau, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (37°F)88 mm (3.5 inches)87%low
February Weather5°C (41°F)79 mm (3.1 inches)83%moderate
March Weather6°C (43°F)107 mm (4.2 inches)80%high
April Weather9°C (48°F)136 mm (5.3 inches)77%high
May Weather12°C (54°F)153 mm (6.0 inches)75%very high
June Weather16°C (61°F)187 mm (7.3 inches)74%very high
July Weather18°C (65°F)150 mm (5.9 inches)72%very high
August Weather18°C (64°F)123 mm (4.8 inches)70%very high
September Weather15°C (59°F)111 mm (4.4 inches)73%high
October Weather11°C (52°F)101 mm (4.0 inches)82%moderate
November Weather6°C (43°F)105 mm (4.1 inches)87%moderate
December Weather4°C (40°F)141 mm (5.5 inches)88%low

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