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January Weather in Saint-Martin-de-Castillon, France

Last updated: August 23, 2025

In January, the average temperature in Saint-Martin-de-Castillon, France is a cool 5°C (41°F). Expect a minimum of -6°C (22°F) and a maximum of 16°C (61°F). The region also experiences approximately 38 mm (1.5 in) of precipitation over 6 days, contributing to an average humidity of 80%.

January Temperature in Saint-Martin-de-Castillon

In January in Saint-Martin-de-Castillon, the average temperature is 5°C (41°F), with a maximum that can reach 16°C (61°F) and a minimum that can drop to -6°C (22°F). Travelers should be prepared for chilly weather, layering options, and possible cold snaps during this time of year.

January Weather in Saint-Martin-de-Castillon: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint-Martin-de-Castillon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint-Martin-de-Castillon, January typically has an average temperature of 5°C (41°F), with highs reaching up to 16°C (61°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec414549556271767567584942
Data source: Temperature data for Saint-Martin-de-Castillon 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.

January Precipitation in Saint-Martin-de-Castillon

In Saint-Martin-de-Castillon in January, the total precipitation amount is 38 mm (1.5 in) spread over 6 days.

January Precipitation Trends in Saint-Martin-de-Castillon

The chart displays monthly precipitation patterns in Saint-Martin-de-Castillon, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Saint-Martin-de-Castillon, January typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec3840597791431831479011388
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Saint-Martin-de-Castillon

In Saint-Martin-de-Castillon in January humidity is 80%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is, leading to the necessity of layering up to stay comfortable while traveling.

January Average Humidity in Saint-Martin-de-Castillon

This chart illustrates the average monthly humidity levels in Saint-Martin-de-Castillon, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Saint-Martin-de-Castillon is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Saint-Martin-de-Castillon

In Saint-Martin-de-Castillon in January, 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 Saint-Martin-de-Castillon, you can visit Hourly UV Index in Saint-Martin-de-Castillon.

Maximum UV Index Levels in Saint-Martin-de-Castillon for January

The chart shows the monthly maximum UV Index (UVI) for Saint-Martin-de-Castillon in January, 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 January, the maximum UV index in Saint-Martin-de-Castillon typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2467910997532
Data source: Saint-Martin-de-Castillon January 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 January Weather in Saint-Martin-de-Castillon Compares to Other Months

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

This table compares monthly weather conditions in Saint-Martin-de-Castillon, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)38 mm (1.5 inches)80%low
February Weather7°C (45°F)40 mm (1.6 inches)73%moderate
March Weather9°C (49°F)59 mm (2.3 inches)71%high
April Weather13°C (55°F)77 mm (3.0 inches)75%high
May Weather16°C (62°F)91 mm (3.6 inches)74%very high
June Weather22°C (71°F)43 mm (1.7 inches)72%very high
July Weather24°C (76°F)18 mm (0.7 inches)69%very high
August Weather24°C (75°F)30 mm (1.2 inches)66%very high
September Weather19°C (67°F)46 mm (1.8 inches)71%high
October Weather15°C (59°F)90 mm (3.6 inches)78%moderate
November Weather9°C (49°F)113 mm (4.4 inches)82%moderate
December Weather6°C (43°F)88 mm (3.5 inches)79%low

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