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May Weather in Seyssel, France

Last updated: August 23, 2025

In Seyssel, France, the average temperature in May is a mild 14°C (57°F). Expect temperatures to dip as low as 0°C (32°F) and soar up to 29°C (85°F). During this month, anticipate 184 mm (7.2 in) of precipitation spread over 17 days, coupled with a high average humidity of 78%. Prepare accordingly for a mix of cool and wet weather!

May Temperature in Seyssel

In May in Seyssel, the average temperature is 14°C (57°F). Maximum temperatures can reach 29°C (85°F), while minimums can dip as low as 0°C (32°F). This makes Seyssel an ideal destination for travelers looking to experience a range of pleasant to cool weather conditions.

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

The chart illustrates May temperature patterns in Seyssel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seyssel, May typically has an average temperature of 14°C (57°F), with highs reaching up to 29°C (85°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec354044515765686760524237
Data source: Temperature data for Seyssel 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 Seyssel

In Seyssel in May, the precipitation amount is 184 mm (7.2 in) over the course of 17 days.

May Precipitation Trends in Seyssel

The chart displays monthly precipitation patterns in Seyssel, 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 Seyssel, May typically receives around 184 mm (7.2 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec1411121546818414911511090139128255
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Seyssel

In Seyssel in May, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

May Average Humidity in Seyssel

This chart illustrates the average monthly humidity levels in Seyssel, 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 Seyssel is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%87%84%83%78%75%72%63%73%89%91%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Seyssel

In Seyssel 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 Seyssel.

Maximum UV Index Levels in Seyssel for May

The chart shows the monthly maximum UV Index (UVI) for Seyssel 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 Seyssel typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2366810986532
Data source: Seyssel 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 Seyssel Compares to Other Months

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

This table compares monthly weather conditions in Seyssel, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)141 mm (5.5 inches)91%low
February Weather5°C (40°F)112 mm (4.4 inches)87%moderate
March Weather7°C (45°F)154 mm (6.1 inches)84%high
April Weather10°C (51°F)68 mm (2.7 inches)83%high
May Weather14°C (57°F)184 mm (7.2 inches)78%very high
June Weather18°C (65°F)149 mm (5.9 inches)75%very high
July Weather20°C (69°F)115 mm (4.5 inches)72%very high
August Weather20°C (68°F)110 mm (4.3 inches)63%very high
September Weather16°C (61°F)90 mm (3.6 inches)73%high
October Weather11°C (52°F)139 mm (5.5 inches)89%moderate
November Weather6°C (42°F)128 mm (5.1 inches)90%moderate
December Weather3°C (38°F)255 mm (10.0 inches)90%low

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