May Weather in Gloucester, United States

Last updated: June 24, 2025

In Gloucester, United States, the average temperature in May is a pleasant 22°C (71°F). Expect a minimum of 11°C (51°F) and a maximum of 29°C (84°F), offering a comfortable range for outdoor activities. However, be prepared for some rain, as the area receives approximately 109 mm (4.3 in) of precipitation over 10 days. With an average humidity of 81%, it's wise to stay hydrated and enjoy the lush surroundings!

May Temperature in Gloucester

In May in Gloucester, the average temperature is 22°C (71°F). Maximums can reach 29°C (84°F), while minimums can drop to as low as 11°C (51°F). This makes it an ideal time for travelers looking to enjoy pleasant weather and a variety of outdoor activities.

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

The chart illustrates May temperature patterns in Gloucester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gloucester, May typically has an average temperature of 22°C (71°F), with highs reaching up to 29°C (84°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec515456637177808077716156
Data source: Temperature data for Gloucester 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 Gloucester

In Gloucester in May, the precipitation amount is 109 mm (4.3 in) spread over 10 days.

May Precipitation Trends in Gloucester

The chart displays monthly precipitation patterns in Gloucester, 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 Gloucester, May typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec861408510510914516219420293117149
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gloucester

In Gloucester in May humidity is 81%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities somewhat challenging but offering a tropical ambiance perfect for exploring shaded areas and enjoying refreshing drinks.

May Average Humidity in Gloucester

This chart illustrates the average monthly humidity levels in Gloucester, 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 Gloucester is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%81%80%80%81%82%83%83%80%80%83%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gloucester

In Gloucester in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Gloucester.

Maximum UV Index Levels in Gloucester for May

The chart shows the monthly maximum UV Index (UVI) for Gloucester 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 Gloucester typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109854
Data source: Gloucester 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 Gloucester Compares to Other Months

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

This table compares monthly weather conditions in Gloucester, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)86 mm (3.4 inches)84%moderate
February Weather12°C (55°F)140 mm (5.5 inches)81%high
March Weather14°C (57°F)85 mm (3.3 inches)80%very high
April Weather17°C (64°F)104 mm (4.1 inches)80%very high
May Weather22°C (71°F)109 mm (4.3 inches)81%extreme
June Weather25°C (77°F)145 mm (5.7 inches)82%extreme
July Weather27°C (81°F)162 mm (6.4 inches)83%extreme
August Weather27°C (80°F)194 mm (7.6 inches)82%very high
September Weather25°C (78°F)202 mm (7.9 inches)80%very high
October Weather22°C (72°F)93 mm (3.7 inches)79%very high
November Weather16°C (61°F)117 mm (4.6 inches)83%moderate
December Weather13°C (56°F)149 mm (5.8 inches)84%moderate

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