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May Weather in Brookline, United States

Last updated: June 24, 2025

In May, the average temperature in Brookline, United States is a pleasant 14°C (58°F). Temperatures can vary significantly, with a minimum of 3°C (37°F) and a maximum reaching up to 31°C (89°F). During this month, expect an average precipitation of 94 mm (3.7 in) spread over about 12 days, with an average humidity level of 72%. Whether you're enjoying the warmth or bracing for a rain shower, Brookline offers a diverse climate this month!

May Temperature in Brookline

In May in Brookline, the average temperature is 14°C (58°F). Maximums can reach 31°C (89°F), while minimums can drop to as low as 3°C (37°F). Travelers should be prepared for a range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Brookline, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brookline, May typically has an average temperature of 14°C (58°F), with highs reaching up to 31°C (89°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec323438485767737366574436
Data source: Temperature data for Brookline 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 Brookline

In Brookline in May, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

May Precipitation Trends in Brookline

The chart displays monthly precipitation patterns in Brookline, 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 Brookline, May typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec799710213594861157692149100125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Brookline

In Brookline in May, humidity is 72%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket wrapping around you, making walking and exploring slightly uncomfortable and requiring frequent breaks for hydration.

May Average Humidity in Brookline

This chart illustrates the average monthly humidity levels in Brookline, 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 Brookline is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Brookline

In Brookline 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 Brookline.

Maximum UV Index Levels in Brookline for May

The chart shows the monthly maximum UV Index (UVI) for Brookline 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 Brookline typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3558910997642
Data source: Brookline 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 Brookline Compares to Other Months

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

This table compares monthly weather conditions in Brookline, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)79 mm (3.1 inches)86%moderate
February Weather1°C (34°F)97 mm (3.8 inches)84%moderate
March Weather3°C (38°F)102 mm (4.0 inches)82%moderate
April Weather9°C (48°F)135 mm (5.3 inches)80%very high
May Weather14°C (58°F)94 mm (3.7 inches)72%very high
June Weather19°C (67°F)86 mm (3.4 inches)72%very high
July Weather23°C (73°F)115 mm (4.5 inches)67%very high
August Weather23°C (73°F)76 mm (3.0 inches)66%very high
September Weather19°C (67°F)92 mm (3.6 inches)71%high
October Weather14°C (57°F)149 mm (5.9 inches)78%high
November Weather7°C (44°F)100 mm (3.9 inches)84%moderate
December Weather2°C (36°F)124 mm (4.9 inches)81%low

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