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October Weather in Trelevern, France

Last updated: August 23, 2025

In October, the average temperature in Trelevern, France hovers around 13°C (56°F). Expect cool mornings as temperatures can dip to a minimum of 4°C (40°F), while afternoons may warm to a pleasant 23°C (74°F). With 110 mm (4.3 in) of precipitation spread across 15 days, keep an umbrella handy! Humidity remains high at an average of 89%, creating a refreshing yet moist atmosphere.

October Temperature in Trelevern

In October in Trelevern, the average temperature is 13°C (56°F). Maximums can reach 23°C (74°F), while minimums can be as low as 4°C (40°F). It's a great time to explore Trelevern with mild temperatures that are perfect for outdoor activities.

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

The chart illustrates October 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, October typically has an average temperature of 13°C (56°F), with highs reaching up to 23°C (74°F) and lows dropping to around 4°C (40°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.

October Precipitation in Trelevern

In Trelevern in October, the precipitation amount is 110 mm (4.3 in) over the course of 15 days.

October Precipitation Trends in Trelevern

The chart displays monthly precipitation patterns in Trelevern, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Trelevern, October typically receives around 110 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec66756043647840414611077119
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Trelevern

In Trelevern in October humidity is 89%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making outdoor travel feel heavy and uncomfortable.

October Average Humidity in Trelevern

This chart illustrates the average monthly humidity levels in Trelevern, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Trelevern

In Trelevern in October, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Trelevern for better planning.

Maximum UV Index Levels in Trelevern for October

The chart shows the monthly maximum UV Index (UVI) for Trelevern in October, 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 October, the maximum UV index in Trelevern typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Trelevern October 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 October 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 October’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 October’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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