May Weather in Blan, France

Last updated: August 23, 2025

In May, the average temperature in Blan, France is a pleasant 16°C (60°F), with a range that can drop to 1°C (34°F) at its lowest and rise up to 30°C (87°F) at its peak. Expect 112 mm (4.4 in) of precipitation spread over 15 days, contributing to an average humidity level of 75%. Enjoy the mild climate while preparing for occasional rain!

May Temperature in Blan

In May in Blan, the average temperature is 16°C (60°F), with maximums reaching up to 30°C (87°F) and minimums dropping as low as 1°C (34°F). This variation makes it essential to pack layers for your trip, ensuring comfort for both warm afternoons and cooler evenings.

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

The chart illustrates May temperature patterns in Blan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blan, May typically has an average temperature of 16°C (60°F), with highs reaching up to 30°C (87°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec414649546068727266584945
Data source: Temperature data for Blan 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 Blan

In Blan in May, the precipitation amount is 112 mm (4.4 in) spread over a period of 15 days.

May Precipitation Trends in Blan

The chart displays monthly precipitation patterns in Blan, 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 Blan, May typically receives around 112 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec87818468112766941678196137
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blan

In Blan in May humidity is 75%. With an average temperature of 16°C (60°F), this humidity feels like a warm, muggy blanket enveloping you, making outdoor activities a bit uncomfortable and requiring frequent hydration breaks while traveling.

May Average Humidity in Blan

This chart illustrates the average monthly humidity levels in Blan, 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 Blan is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Blan

In Blan in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Blan.

Maximum UV Index Levels in Blan for May

The chart shows the monthly maximum UV Index (UVI) for Blan 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 Blan typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Blan 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 Blan Compares to Other Months

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

This table compares monthly weather conditions in Blan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)87 mm (3.4 inches)87%low
February Weather8°C (47°F)81 mm (3.2 inches)83%moderate
March Weather9°C (49°F)84 mm (3.3 inches)80%high
April Weather12°C (54°F)68 mm (2.7 inches)77%high
May Weather16°C (60°F)112 mm (4.4 inches)75%very high
June Weather20°C (68°F)76 mm (3.0 inches)74%very high
July Weather22°C (72°F)68 mm (2.7 inches)72%very high
August Weather22°C (72°F)41 mm (1.6 inches)70%very high
September Weather19°C (66°F)67 mm (2.6 inches)73%high
October Weather14°C (58°F)81 mm (3.2 inches)82%moderate
November Weather9°C (49°F)96 mm (3.8 inches)87%moderate
December Weather7°C (45°F)137 mm (5.4 inches)88%low

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