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May Weather in Mercury, France

Last updated: August 23, 2025

In Mercury, France, the average temperature in May hovers around 12°C (54°F). Visitors can expect a wide temperature range, with minimums dipping to -3°C (27°F) and maximums peaking at 28°C (83°F). Keep your umbrella handy, as 205 mm (8.1 in) of precipitation is likely to fall over 19 days. The atmosphere is quite humid, with an average humidity of 78%.

May Temperature in Mercury

In May in Mercury, the average temperature is 12°C (54°F). The maximum can reach 28°C (83°F) and the minimum can be as low as -3°C (27°F). This diverse temperature range makes Mercury an interesting destination for travelers seeking both mild weather and a touch of winter charm.

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

The chart illustrates May temperature patterns in Mercury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mercury, May typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (83°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec303641485462656457494032
Data source: Temperature data for Mercury 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 Mercury

In Mercury in May, the total precipitation amount is 205 mm (8.1 in) over the course of 19 days.

May Precipitation Trends in Mercury

The chart displays monthly precipitation patterns in Mercury, 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 Mercury, May typically receives around 205 mm (8.1 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1401201578220514810811384117115255
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Mercury

In Mercury in May humidity is 78%. With an average temperature of 12°C (54°F), this humidity feels like a damp chill settling in, making travel a bit uncomfortable as the air clings to your skin, leaving you feeling cooler than the thermometer suggests.

May Average Humidity in Mercury

This chart illustrates the average monthly humidity levels in Mercury, 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 Mercury 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 Mercury

In Mercury 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 Mercury.

Maximum UV Index Levels in Mercury for May

The chart shows the monthly maximum UV Index (UVI) for Mercury 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 Mercury typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101097532
Data source: Mercury 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 Mercury Compares to Other Months

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

This table compares monthly weather conditions in Mercury, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)140 mm (5.5 inches)91%moderate
February Weather2°C (36°F)120 mm (4.7 inches)87%moderate
March Weather5°C (41°F)157 mm (6.2 inches)84%high
April Weather9°C (48°F)82 mm (3.2 inches)83%very high
May Weather12°C (54°F)205 mm (8.1 inches)78%very high
June Weather17°C (62°F)148 mm (5.8 inches)75%very high
July Weather18°C (65°F)108 mm (4.3 inches)72%very high
August Weather18°C (64°F)113 mm (4.4 inches)63%very high
September Weather14°C (57°F)84 mm (3.3 inches)73%high
October Weather9°C (49°F)117 mm (4.6 inches)89%moderate
November Weather4°C (40°F)115 mm (4.5 inches)90%moderate
December Weather0°C (32°F)255 mm (10.0 inches)90%low

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