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May Weather in Le Grand-Saconnex, Switzerland

Last updated: August 27, 2025

In May, the average temperature in Le Grand-Saconnex, Switzerland hovers around 13°C (56°F), with a minimum dipping to -1°C (31°F) and a maximum reaching 29°C (84°F). Expect 174 mm (6.8 in) of precipitation spread over approximately 16 days, contributing to a notably high average humidity of 80%.

May Temperature in Le Grand-Saconnex

In May in Le Grand-Saconnex, the average temperature is 13°C (56°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -1°C (31°F). This varied climate makes Le Grand-Saconnex an ideal destination for travelers seeking a mix of mild and warm weather.

May Weather in Le Grand-Saconnex: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Le Grand-Saconnex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Le Grand-Saconnex, May typically has an average temperature of 13°C (56°F), with highs reaching up to 29°C (84°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec353943505664676659514237
Data source: Temperature data for Le Grand-Saconnex 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 Le Grand-Saconnex

In Le Grand-Saconnex in May, the precipitation amount is 174 mm (6.8 in) over the course of 16 days.

May Precipitation Trends in Le Grand-Saconnex

The chart displays monthly precipitation patterns in Le Grand-Saconnex, 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 Le Grand-Saconnex, May typically receives around 174 mm (6.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1281011516417413011711983126121224
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Le Grand-Saconnex

In Le Grand-Saconnex in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.

May Average Humidity in Le Grand-Saconnex

This chart illustrates the average monthly humidity levels in Le Grand-Saconnex, 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 Le Grand-Saconnex is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%84%80%82%82%77%81%89%89%91%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Le Grand-Saconnex

In Le Grand-Saconnex 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 Le Grand-Saconnex.

Maximum UV Index Levels in Le Grand-Saconnex for May

The chart shows the monthly maximum UV Index (UVI) for Le Grand-Saconnex 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 Le Grand-Saconnex typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2367810986532
Data source: Le Grand-Saconnex 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 Le Grand-Saconnex Compares to Other Months

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

This table compares monthly weather conditions in Le Grand-Saconnex, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)128 mm (5.0 inches)91%low
February Weather4°C (40°F)101 mm (4.0 inches)89%moderate
March Weather6°C (44°F)151 mm (5.9 inches)87%high
April Weather10°C (50°F)64 mm (2.5 inches)84%high
May Weather13°C (56°F)174 mm (6.8 inches)80%very high
June Weather18°C (64°F)130 mm (5.1 inches)82%very high
July Weather19°C (67°F)117 mm (4.6 inches)82%very high
August Weather19°C (67°F)119 mm (4.7 inches)77%very high
September Weather15°C (60°F)83 mm (3.3 inches)81%high
October Weather11°C (51°F)126 mm (5.0 inches)89%moderate
November Weather5°C (42°F)121 mm (4.7 inches)89%moderate
December Weather3°C (37°F)224 mm (8.8 inches)91%low

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