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May Weather in Brighton, United States

Last updated: June 24, 2025

In May, the average temperature in Brighton, United States hovers around 15°C (60°F). Temperatures can range from a brisk -2°C (28°F) to a sweltering 34°C (93°F). Be prepared for 111 mm (4.4 in) of precipitation spread over 15 days, contributing to an average humidity level of 80%.

May Temperature in Brighton

In May in Brighton, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as -2°C (28°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Brighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brighton, May typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737465969747265533932
Data source: Temperature data for Brighton 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 Brighton

In Brighton in May, the total precipitation amount is 111 mm (4.4 in) spread over 15 days.

May Precipitation Trends in Brighton

The chart displays monthly precipitation patterns in Brighton, 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 Brighton, May typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec64667290111989074731047454
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Brighton

In Brighton in May humidity is 80%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace that can make even the simplest stroll feel like a workout, leaving travelers yearning for a refreshing breeze or shade to escape the weight of the air.

May Average Humidity in Brighton

This chart illustrates the average monthly humidity levels in Brighton, 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 Brighton is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Brighton

In Brighton 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 Brighton.

Maximum UV Index Levels in Brighton for May

The chart shows the monthly maximum UV Index (UVI) for Brighton 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 Brighton typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101097542
Data source: Brighton 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 Brighton Compares to Other Months

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

This table compares monthly weather conditions in Brighton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)63 mm (2.5 inches)88%low
February Weather-3°C (28°F)66 mm (2.6 inches)87%moderate
March Weather3°C (37°F)72 mm (2.8 inches)85%moderate
April Weather8°C (47°F)90 mm (3.6 inches)86%very high
May Weather15°C (60°F)111 mm (4.4 inches)80%very high
June Weather21°C (70°F)98 mm (3.9 inches)80%very high
July Weather23°C (74°F)90 mm (3.5 inches)80%very high
August Weather22°C (72°F)74 mm (2.9 inches)80%very high
September Weather18°C (65°F)73 mm (2.9 inches)80%high
October Weather12°C (54°F)104 mm (4.1 inches)84%moderate
November Weather4°C (39°F)74 mm (2.9 inches)89%moderate
December Weather0°C (32°F)54 mm (2.1 inches)86%low

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