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May Weather in Belmont, United States

Last updated: June 24, 2025

In May, the average temperature in Belmont, United States hovers around 14°C (57°F). However, prepare for a range of temperatures: it can drop to a chilly -4°C (25°F) or reach a warm 30°C (86°F). Expect about 117 mm (4.6 in) of precipitation spread across 16 days, contributing to an average humidity level of 82%. Stay ready for the diverse weather!

May Temperature in Belmont

In May in Belmont, the average temperature is 14°C (57°F), with maximums that can reach 30°C (86°F) and minimums that can drop as low as -4°C (25°F). This varied climate makes it essential for travelers to pack both light and warm clothing to ensure comfort during their stay.

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

The chart illustrates May temperature patterns in Belmont, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Belmont, May typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec242734445665706862513730
Data source: Temperature data for Belmont 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 Belmont

In Belmont in May, the precipitation amount is 117 mm (4.6 in), which falls over a span of 16 days.

May Precipitation Trends in Belmont

The chart displays monthly precipitation patterns in Belmont, 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 Belmont, May typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec7890801091179911884771278587
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Belmont

In Belmont in May, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

May Average Humidity in Belmont

This chart illustrates the average monthly humidity levels in Belmont, 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 Belmont is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Belmont

In Belmont 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 Belmont.

Maximum UV Index Levels in Belmont for May

The chart shows the monthly maximum UV Index (UVI) for Belmont 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 Belmont typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Belmont 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 Belmont Compares to Other Months

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

This table compares monthly weather conditions in Belmont, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)78 mm (3.1 inches)91%moderate
February Weather-3°C (27°F)90 mm (3.5 inches)91%moderate
March Weather1°C (34°F)80 mm (3.1 inches)88%high
April Weather7°C (45°F)109 mm (4.3 inches)88%very high
May Weather14°C (57°F)117 mm (4.6 inches)82%very high
June Weather18°C (65°F)99 mm (3.9 inches)79%very high
July Weather21°C (70°F)118 mm (4.7 inches)77%very high
August Weather20°C (68°F)84 mm (3.3 inches)72%very high
September Weather16°C (62°F)77 mm (3.0 inches)76%very high
October Weather11°C (52°F)127 mm (5.0 inches)83%high
November Weather3°C (37°F)85 mm (3.4 inches)88%moderate
December Weather-1°C (30°F)87 mm (3.4 inches)87%low

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