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May Weather in Cambridge, United States

Last updated: June 24, 2025

In Cambridge, United States, the average temperature in May hovers around 15°C (60°F), making it a pleasant time to visit. However, be prepared for a range of temperatures, as it can drop to a chilly -1°C (30°F) or soar up to a warm 34°C (94°F). During this month, expect an average precipitation of 127 mm (5.0 in) spread over 14 days, adding a touch of humidity with an average of 78%.

May Temperature in Cambridge

In May in Cambridge, the average temperature is 15°C (60°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures when planning your trip!

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 15°C (60°F), with highs reaching up to 34°C (94°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec222336465970757265523730
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 total precipitation amount is 127 mm (5.0 in), occurring 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 127 mm (5.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec54525810112711692971091144348
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 78%. With an average temperature of 15°C (60°F), this humidity feels like a warm, damp embrace that can make outdoor activities a bit uncomfortable, highlighting the importance of staying hydrated and taking breaks in the shade while exploring.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
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 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 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
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-6°C (22°F)54 mm (2.1 inches)85%moderate
February Weather-5°C (23°F)52 mm (2.0 inches)85%moderate
March Weather2°C (36°F)58 mm (2.3 inches)85%moderate
April Weather8°C (46°F)101 mm (4.0 inches)85%very high
May Weather15°C (60°F)127 mm (5.0 inches)78%very high
June Weather21°C (71°F)116 mm (4.6 inches)80%very high
July Weather24°C (75°F)92 mm (3.6 inches)78%very high
August Weather22°C (72°F)97 mm (3.8 inches)76%very high
September Weather18°C (65°F)109 mm (4.3 inches)79%very high
October Weather11°C (52°F)114 mm (4.5 inches)83%moderate
November Weather3°C (37°F)43 mm (1.7 inches)88%moderate
December Weather-1°C (30°F)47 mm (1.9 inches)81%low

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