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May Weather in Riols, France

Last updated: August 23, 2025

In May, the average temperature in Riols, France is a pleasant 15°C (58°F). While you can expect minimums dipping to 2°C (37°F), the highs can reach up to 28°C (82°F). Be prepared for some rain, as 111 mm (4.4 in) of precipitation typically falls over about 15 days. With an average humidity of 71%, the weather can feel quite humid, so plan your attire accordingly!

May Temperature in Riols

In May in Riols, the average temperature is 15°C (58°F). Maximum temperatures can reach 28°C (82°F), while minimums can drop to as low as 2°C (37°F). This makes Riols a great destination for travelers seeking comfortable weather with the possibility of both warm days and cool evenings.

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

The chart illustrates May temperature patterns in Riols, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riols, May typically has an average temperature of 15°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around 2°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec404547525866707064564743
Data source: Temperature data for Riols 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 Riols

In Riols in May, the total precipitation amount is 111 mm (4.4 in) spread over 15 days.

May Precipitation Trends in Riols

The chart displays monthly precipitation patterns in Riols, 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 Riols, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec9691959111174563271134101105
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Riols

In Riols in May, humidity is 71%. With an average temperature of 15°C (58°F), this humidity feels like a gentle, sticky embrace, making outdoor activities a bit uncomfortable but still enjoyable for those who can adapt to the moist air.

May Average Humidity in Riols

This chart illustrates the average monthly humidity levels in Riols, 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 Riols is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%77%73%73%71%67%66%63%70%80%84%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Riols

In Riols 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 Riols.

Maximum UV Index Levels in Riols for May

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

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

This table compares monthly weather conditions in Riols, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)96 mm (3.8 inches)82%low
February Weather7°C (45°F)91 mm (3.6 inches)77%moderate
March Weather8°C (47°F)95 mm (3.7 inches)73%high
April Weather11°C (52°F)91 mm (3.6 inches)73%high
May Weather15°C (58°F)111 mm (4.4 inches)71%very high
June Weather19°C (66°F)74 mm (2.9 inches)67%very high
July Weather21°C (71°F)56 mm (2.2 inches)66%very high
August Weather21°C (71°F)32 mm (1.3 inches)63%very high
September Weather18°C (64°F)71 mm (2.8 inches)70%high
October Weather13°C (56°F)133 mm (5.3 inches)80%moderate
November Weather8°C (47°F)101 mm (4.0 inches)84%moderate
December Weather6°C (43°F)105 mm (4.1 inches)83%low

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