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May Weather in Herissart, France

Last updated: August 23, 2025

In May, the average temperature in Herissart, France is a comfortable 13°C (56°F), with daily variations that can range from a chilly 1°C (33°F) to a warm 27°C (81°F). Expect some rain, as 65 mm (2.6 in) of precipitation typically falls over 13 days. Additionally, the average humidity sits at a notable 82%, making it a month where you might feel the moisture in the air.

May Temperature in Herissart

In May in Herissart, the average temperature is 13°C (56°F), with maximums reaching 27°C (81°F) and minimums dropping as low as 1°C (33°F). Expect cool to warm days, perfect for exploring the outdoors while layering for the cooler evenings.

May Weather in Herissart: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Herissart, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Herissart, May typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (81°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec404246505663666560544643
Data source: Temperature data for Herissart 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.

May Precipitation in Herissart

In Herissart in May, the precipitation amount is 65 mm (2.6 in) spread over a duration of 13 days.

May Precipitation Trends in Herissart

The chart displays monthly precipitation patterns in Herissart, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Herissart, May typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6367713565585271468668106
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Herissart

In Herissart in May, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

May Average Humidity in Herissart

This chart illustrates the average monthly humidity levels in Herissart, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Herissart is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%85%84%82%80%73%68%76%88%92%93%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Herissart

In Herissart in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Herissart.

Maximum UV Index Levels in Herissart for May

The chart shows the monthly maximum UV Index (UVI) for Herissart in May, 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 May, the maximum UV index in Herissart typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679885421
Data source: Herissart May 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 May Weather in Herissart Compares to Other Months

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

This table compares monthly weather conditions in Herissart, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)63 mm (2.5 inches)91%low
February Weather6°C (42°F)67 mm (2.6 inches)89%moderate
March Weather8°C (46°F)71 mm (2.8 inches)85%moderate
April Weather10°C (50°F)35 mm (1.4 inches)84%high
May Weather13°C (56°F)65 mm (2.6 inches)82%high
June Weather17°C (64°F)58 mm (2.3 inches)80%very high
July Weather19°C (66°F)52 mm (2.0 inches)73%very high
August Weather19°C (66°F)71 mm (2.8 inches)68%very high
September Weather16°C (60°F)46 mm (1.8 inches)76%moderate
October Weather12°C (54°F)86 mm (3.4 inches)88%moderate
November Weather8°C (46°F)68 mm (2.7 inches)92%low
December Weather6°C (43°F)106 mm (4.2 inches)93%low

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