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May Weather in Guillac, France

Last updated: August 23, 2025

In May, the average temperature in Guillac, France is a comfortable 14°C (57°F), with fluctuations that can see lows of -1°C (30°F) and highs of 29°C (84°F). Expect a bit of moisture, as the area receives approximately 68 mm (2.7 in) of precipitation over 11 days. With an average humidity of 82%, the atmosphere can feel quite humid, making this month a unique experience in Guillac!

May Temperature in Guillac

In May in Guillac, the average temperature is 14°C (57°F), with maximums that can reach 29°C (84°F) and minimums that can drop as low as -1°C (30°F). This makes it a great time for travelers to enjoy a diverse range of weather, so be sure to pack layers for your adventure!

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

The chart illustrates May temperature patterns in Guillac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guillac, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec434547515662656461554745
Data source: Temperature data for Guillac 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 Guillac

In Guillac in May, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.

May Precipitation Trends in Guillac

The chart displays monthly precipitation patterns in Guillac, 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 Guillac, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4364584868101465043876792
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Guillac

In Guillac in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Guillac

This chart illustrates the average monthly humidity levels in Guillac, 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 Guillac is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%81%82%82%80%77%78%79%82%81%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Guillac

In Guillac in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Guillac.

Maximum UV Index Levels in Guillac for May

The chart shows the monthly maximum UV Index (UVI) for Guillac 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 Guillac typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Guillac 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 Guillac Compares to Other Months

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

This table compares monthly weather conditions in Guillac, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)43 mm (1.7 inches)82%low
February Weather7°C (45°F)64 mm (2.5 inches)83%moderate
March Weather8°C (47°F)58 mm (2.3 inches)81%moderate
April Weather11°C (52°F)47 mm (1.9 inches)82%high
May Weather14°C (57°F)68 mm (2.7 inches)82%very high
June Weather17°C (63°F)101 mm (4.0 inches)80%very high
July Weather19°C (66°F)46 mm (1.8 inches)77%very high
August Weather18°C (64°F)50 mm (1.9 inches)78%very high
September Weather16°C (61°F)43 mm (1.7 inches)79%high
October Weather13°C (55°F)87 mm (3.4 inches)82%moderate
November Weather8°C (48°F)67 mm (2.7 inches)81%low
December Weather7°C (46°F)92 mm (3.6 inches)82%low

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