nomadseason

March Weather in Trelly, France

Last updated: August 23, 2025

In March, the average temperature in Trelly, France hovers around 9°C (48°F). Expect a cool climate where the minimum can drop to -4°C (25°F), while the maximum can reach up to 19°C (67°F). Be prepared for a significant amount of precipitation, with 91 mm (3.6 in) expected over approximately 17 days, and a high average humidity of 86%.

March Temperature in Trelly

In March in Trelly, the average temperature is 9°C (48°F). The maximum can reach up to 19°C (67°F), while the minimum can drop as low as -4°C (25°F). It's best to pack layers to stay comfortable while exploring the varied weather.

March Weather in Trelly: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Trelly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trelly, March typically has an average temperature of 9°C (48°F), with highs reaching up to 19°C (67°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec454648515661656462575047
Data source: Temperature data for Trelly 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.

March Precipitation in Trelly

In Trelly in March, the precipitation amount is 91 mm (3.6 in) over the course of 17 days.

March Precipitation Trends in Trelly

The chart displays monthly precipitation patterns in Trelly, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Trelly, March typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec979391428281627885146115176
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Trelly

In Trelly in March, humidity is 86%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that wraps around you, making outdoor activities uncomfortable and travel less enjoyable.

March Average Humidity in Trelly

This chart illustrates the average monthly humidity levels in Trelly, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Trelly is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%86%85%80%80%69%73%79%89%92%92%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Trelly

In Trelly in March, 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 Trelly for better planning.

Maximum UV Index Levels in Trelly for March

The chart shows the monthly maximum UV Index (UVI) for Trelly in March, 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 March, the maximum UV index in Trelly typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679886421
Data source: Trelly March 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 March Weather in Trelly Compares to Other Months

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

This table compares monthly weather conditions in Trelly, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)96 mm (3.8 inches)90%low
February Weather8°C (46°F)93 mm (3.7 inches)89%moderate
March Weather9°C (48°F)91 mm (3.6 inches)86%moderate
April Weather11°C (51°F)42 mm (1.7 inches)84%high
May Weather13°C (56°F)82 mm (3.2 inches)80%high
June Weather16°C (62°F)81 mm (3.2 inches)80%very high
July Weather18°C (65°F)62 mm (2.4 inches)69%very high
August Weather18°C (65°F)77 mm (3.1 inches)73%very high
September Weather17°C (62°F)85 mm (3.3 inches)79%high
October Weather14°C (57°F)146 mm (5.7 inches)89%moderate
November Weather10°C (51°F)115 mm (4.5 inches)92%low
December Weather9°C (48°F)176 mm (6.9 inches)92%low

Compare Trelly's Climate with Cities Worldwide