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May Weather in Belmont, United States

Last updated: June 24, 2025

In Belmont, United States, the average temperature in May is a comfortable 18°C (65°F). However, temperatures can vary significantly, with minimums dropping to -1°C (31°F) and maximums soaring to 33°C (92°F). Expect about 131 mm (5.2 in) of precipitation spread over 15 days, and an average humidity level of 81% adds to the distinctive climate of the region.

May Temperature in Belmont

In May in Belmont, the average temperature is 18°C (65°F). The maximum can reach 33°C (92°F) and the minimum can be as low as -1°C (31°F). This variation makes Belmont an intriguing travel destination, offering both warm days and cooler nights.

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 18°C (65°F), with highs reaching up to 33°C (92°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313443526472767469584237
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 131 mm (5.2 in) over a span of 15 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 131 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec771041181041311381118989999797
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 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%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.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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 Weather0°C (31°F)77 mm (3.0 inches)88%moderate
February Weather1°C (35°F)104 mm (4.1 inches)88%moderate
March Weather6°C (43°F)117 mm (4.6 inches)87%high
April Weather11°C (53°F)104 mm (4.1 inches)85%very high
May Weather18°C (65°F)131 mm (5.2 inches)81%very high
June Weather22°C (73°F)138 mm (5.4 inches)82%very high
July Weather25°C (77°F)111 mm (4.4 inches)81%very high
August Weather23°C (74°F)89 mm (3.5 inches)73%very high
September Weather21°C (70°F)89 mm (3.5 inches)73%very high
October Weather14°C (58°F)99 mm (3.9 inches)78%high
November Weather6°C (42°F)96 mm (3.8 inches)89%moderate
December Weather3°C (37°F)97 mm (3.8 inches)87%moderate

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