May Weather in La Seyne-sur-Mer, France

Last updated: August 23, 2025

In May, the average temperature in La Seyne-sur-Mer, France is a pleasant 17°C (63°F). Expect a minimum of 9°C (48°F) and a comfortable maximum of 27°C (82°F). While you're exploring, keep in mind that precipitation averages 48 mm (1.9 in) spread over 8 days, and the average humidity hovers around 74%.

May Temperature in La Seyne-sur-Mer

In May in La Seyne-sur-Mer, the average temperature is 17°C (63°F). Maximums can reach 27°C (82°F) and minimums can be as low as 9°C (48°F). This mild climate makes it an ideal destination for travelers looking to explore and enjoy outdoor activities without extreme heat or cold.

May Weather in La Seyne-sur-Mer: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in La Seyne-sur-Mer, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Seyne-sur-Mer, May typically has an average temperature of 17°C (63°F), with highs reaching up to 27°C (82°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec505254576371767771655752
Data source: Temperature data for La Seyne-sur-Mer 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 La Seyne-sur-Mer

In La Seyne-sur-Mer in May, the precipitation amount is 48 mm (1.9 in) over a span of 8 days.

May Precipitation Trends in La Seyne-sur-Mer

The chart displays monthly precipitation patterns in La Seyne-sur-Mer, 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 La Seyne-sur-Mer, May typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec534449694819813408512475
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in La Seyne-sur-Mer

In La Seyne-sur-Mer in May, humidity is 74%. With an average temperature of 17°C (63°F), this humidity feels like a gentle embrace, making outdoor exploration comfortable yet slightly enveloped in warmth, perfect for leisurely strolls but requiring ample hydration for prolonged activities.

May Average Humidity in La Seyne-sur-Mer

This chart illustrates the average monthly humidity levels in La Seyne-sur-Mer, 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 La Seyne-sur-Mer is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%75%74%72%69%66%71%78%82%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in La Seyne-sur-Mer

In La Seyne-sur-Mer 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 La Seyne-sur-Mer.

Maximum UV Index Levels in La Seyne-sur-Mer for May

The chart shows the monthly maximum UV Index (UVI) for La Seyne-sur-Mer 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 La Seyne-sur-Mer typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457810987532
Data source: La Seyne-sur-Mer 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 La Seyne-sur-Mer Compares to Other Months

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

This table compares monthly weather conditions in La Seyne-sur-Mer, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)53 mm (2.1 inches)80%low
February Weather11°C (52°F)44 mm (1.7 inches)73%moderate
March Weather12°C (54°F)49 mm (1.9 inches)71%moderate
April Weather14°C (57°F)69 mm (2.7 inches)75%high
May Weather17°C (63°F)48 mm (1.9 inches)74%very high
June Weather22°C (71°F)19 mm (0.7 inches)72%very high
July Weather24°C (76°F)8 mm (0.3 inches)69%very high
August Weather25°C (77°F)13 mm (0.5 inches)66%very high
September Weather22°C (72°F)40 mm (1.6 inches)71%high
October Weather18°C (65°F)85 mm (3.3 inches)78%moderate
November Weather14°C (58°F)124 mm (4.9 inches)82%moderate
December Weather11°C (53°F)75 mm (2.9 inches)79%low

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