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May Weather in Cambridge, United States

Last updated: June 24, 2025

In May, the average temperature in Cambridge, United States hovers around 16°C (61°F). However, be prepared for a broad temperature range, with minimums plunging to -1°C (31°F) and maximums soaring to 35°C (96°F). On top of that, expect about 144 mm (5.7 in) of precipitation spread over 14 days, contributing to an average humidity of 76%. Stay comfortable and dry while enjoying the unique climate of Cambridge!

May Temperature in Cambridge

In May in Cambridge, the average temperature is 16°C (61°F). Maximum can reach 35°C (96°F) and minimum can be as low as -1°C (31°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates May temperature patterns in Cambridge, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cambridge, May typically has an average temperature of 16°C (61°F), with highs reaching up to 35°C (96°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec292842506175787569524233
Data source: Temperature data for Cambridge 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 Cambridge

In Cambridge in May, the precipitation amount is 144 mm (5.7 in) over the course of 14 days.

May Precipitation Trends in Cambridge

The chart displays monthly precipitation patterns in Cambridge, 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 Cambridge, May typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec1918713814457716965551629
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cambridge

In Cambridge in May humidity is 76%. With an average temperature of 16°C (61°F), this humidity feels like a warm embrace that makes traveling feel slightly heavy yet refreshing, often prompting you to seek shade or indulge in ice-cold drinks to stay comfortable.

May Average Humidity in Cambridge

This chart illustrates the average monthly humidity levels in Cambridge, 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 Cambridge is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%80%64%64%76%79%77%79%70%64%75%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Cambridge

In Cambridge 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 Cambridge.

Maximum UV Index Levels in Cambridge for May

The chart shows the monthly maximum UV Index (UVI) for Cambridge 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 Cambridge typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109643
Data source: Cambridge 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 Cambridge Compares to Other Months

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

This table compares monthly weather conditions in Cambridge, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)19 mm (0.8 inches)73%moderate
February Weather-2°C (29°F)18 mm (0.7 inches)80%moderate
March Weather5°C (42°F)71 mm (2.8 inches)64%high
April Weather10°C (50°F)37 mm (1.5 inches)64%very high
May Weather16°C (61°F)144 mm (5.7 inches)76%very high
June Weather24°C (75°F)57 mm (2.2 inches)79%extreme
July Weather26°C (79°F)71 mm (2.8 inches)77%extreme
August Weather24°C (75°F)69 mm (2.7 inches)79%very high
September Weather21°C (69°F)65 mm (2.5 inches)70%very high
October Weather11°C (52°F)55 mm (2.2 inches)64%high
November Weather5°C (42°F)16 mm (0.6 inches)75%moderate
December Weather0°C (33°F)29 mm (1.1 inches)78%moderate

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