January Weather in Trelevern, France

Last updated: August 23, 2025

In January, the average temperature in Trelevern, France hovers around 8°C (46°F). While you might experience chilly lows of -3°C (26°F), the mercury can rise to a pleasant 15°C (59°F). Prepare for some damp days, as 66 mm (2.6 in) of precipitation typically falls over 13 days, coupled with an average humidity of a moist 89%.

January Temperature in Trelevern

In January in Trelevern, the average temperature is 8°C (46°F), with maximums reaching 15°C (59°F) and minimums dipping as low as -3°C (26°F). Travelers should prepare for a range of weather conditions and pack accordingly for both chilly and mild days.

January Weather in Trelevern: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Trelevern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trelevern, January typically has an average temperature of 8°C (46°F), with highs reaching up to 15°C (59°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec464748515560636361565048
Data source: Temperature data for Trelevern 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 Trelevern

In Trelevern in January, the total precipitation amount is 66 mm (2.6 in) spread over the course of 13 days.

January Precipitation Trends in Trelevern

The chart displays monthly precipitation patterns in Trelevern, 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 Trelevern, January typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec66756043647840414611077119
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Trelevern

In Trelevern in January humidity is 89%. With an average temperature of 8°C (46°F), this humidity feels like a chilly dampness that clings to your skin, making travel uncomfortable and necessitating extra layers to stay warm while you navigate the wet conditions.

January Average Humidity in Trelevern

This chart illustrates the average monthly humidity levels in Trelevern, 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 Trelevern is approximately 89%, 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 January generated using information from the Copernicus Climate Change Service.

January UV Index in Trelevern

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

Maximum UV Index Levels in Trelevern for January

The chart shows the monthly maximum UV Index (UVI) for Trelevern 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 Trelevern typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Trelevern 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 Trelevern Compares to Other Months

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

This table compares monthly weather conditions in Trelevern, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)66 mm (2.6 inches)89%low
February Weather8°C (47°F)75 mm (3.0 inches)88%moderate
March Weather9°C (48°F)60 mm (2.4 inches)85%moderate
April Weather10°C (51°F)43 mm (1.7 inches)84%high
May Weather13°C (55°F)64 mm (2.5 inches)81%very high
June Weather15°C (60°F)78 mm (3.1 inches)77%very high
July Weather17°C (63°F)40 mm (1.6 inches)63%very high
August Weather17°C (63°F)41 mm (1.6 inches)71%very high
September Weather16°C (61°F)46 mm (1.8 inches)76%high
October Weather13°C (56°F)110 mm (4.3 inches)89%moderate
November Weather10°C (51°F)77 mm (3.0 inches)90%low
December Weather9°C (48°F)119 mm (4.7 inches)90%low

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