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May Weather in Charlemont, United States

Last updated: June 24, 2025

In May, the average temperature in Charlemont, United States hovers around 14°C (57°F), with a minimum dropping to -1°C (30°F) and a peak reaching 32°C (91°F). Expect around 108 mm (4.3 in) of precipitation spread over 14 days, contributing to an average humidity of 76%. Brace for a varied climate that combines cool and warm days, alongside some rainy spells!

May Temperature in Charlemont

In May in Charlemont, the average temperature is 14°C (57°F). The maximum can reach 32°C (91°F) and the minimum can be as low as -1°C (30°F). This variability makes it essential to pack layers when traveling to Charlemont during this time.

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

The chart illustrates May temperature patterns in Charlemont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Charlemont, May typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (91°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733455666716962513728
Data source: Temperature data for Charlemont 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 Charlemont

In Charlemont in May, the total precipitation amount is 108 mm (4.3 in) spread over 14 days.

May Precipitation Trends in Charlemont

The chart displays monthly precipitation patterns in Charlemont, 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 Charlemont, May typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec8510184151108102169126112173107125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Charlemont

In Charlemont in May humidity is 76%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapped around you, creating a heavy atmosphere that can make outdoor activities feel sluggish and stifling, urging travelers to seek shade and refreshment more frequently.

May Average Humidity in Charlemont

This chart illustrates the average monthly humidity levels in Charlemont, 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 Charlemont is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%76%72%67%64%72%81%87%85%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Charlemont

In Charlemont in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Charlemont.

Maximum UV Index Levels in Charlemont for May

The chart shows the monthly maximum UV Index (UVI) for Charlemont 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 Charlemont typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34681010998642
Data source: Charlemont 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 Charlemont Compares to Other Months

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

This table compares monthly weather conditions in Charlemont, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)85 mm (3.3 inches)89%moderate
February Weather-3°C (27°F)101 mm (4.0 inches)88%moderate
March Weather0°C (33°F)84 mm (3.3 inches)86%high
April Weather7°C (45°F)151 mm (5.9 inches)84%very high
May Weather14°C (57°F)108 mm (4.3 inches)76%very high
June Weather19°C (66°F)102 mm (4.0 inches)72%very high
July Weather22°C (71°F)169 mm (6.6 inches)66%very high
August Weather21°C (69°F)126 mm (5.0 inches)64%very high
September Weather17°C (62°F)112 mm (4.4 inches)72%very high
October Weather11°C (51°F)173 mm (6.8 inches)81%high
November Weather3°C (37°F)107 mm (4.2 inches)87%moderate
December Weather-2°C (29°F)125 mm (4.9 inches)84%low

Compare Charlemont's Climate with Cities Worldwide