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May Weather in Glouster, United States

Last updated: June 24, 2025

In May, the average temperature in Glouster, United States is a pleasant 18°C (65°F). Visitors can expect a range from a chilly 0°C (32°F) to a warm 32°C (90°F). However, be prepared for occasional rain, as precipitation amounts to 136 mm (5.4 in) over about 15 days. With an average humidity of 82%, the air might feel quite muggy, adding to the overall atmosphere of this vibrant locale.

May Temperature in Glouster

In May in Glouster, the average temperature is 18°C (65°F). Maximums can reach 32°C (90°F), and minimums can be as low as 0°C (32°F). This makes Glouster an ideal destination for travelers seeking a blend of warm days and cooler nights.

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

The chart illustrates May temperature patterns in Glouster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glouster, May typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (90°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec333744546472767470594338
Data source: Temperature data for Glouster 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 Glouster

In Glouster in May, the precipitation amount is 136 mm (5.4 in) over a period of 15 days.

May Precipitation Trends in Glouster

The chart displays monthly precipitation patterns in Glouster, 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 Glouster, May typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec8711611913913616112611910510585110
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Glouster

In Glouster in May, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

May Average Humidity in Glouster

This chart illustrates the average monthly humidity levels in Glouster, 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 Glouster is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Glouster

In Glouster 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 Glouster.

Maximum UV Index Levels in Glouster for May

The chart shows the monthly maximum UV Index (UVI) for Glouster 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 Glouster typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Glouster 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 Glouster Compares to Other Months

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

This table compares monthly weather conditions in Glouster, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)87 mm (3.4 inches)88%moderate
February Weather3°C (37°F)116 mm (4.6 inches)88%moderate
March Weather7°C (44°F)119 mm (4.7 inches)88%high
April Weather12°C (54°F)139 mm (5.5 inches)86%very high
May Weather18°C (65°F)136 mm (5.4 inches)82%very high
June Weather22°C (72°F)161 mm (6.3 inches)84%very high
July Weather25°C (76°F)125 mm (4.9 inches)82%very high
August Weather23°C (74°F)119 mm (4.7 inches)73%very high
September Weather21°C (70°F)105 mm (4.1 inches)73%very high
October Weather15°C (59°F)105 mm (4.1 inches)81%high
November Weather6°C (44°F)84 mm (3.3 inches)89%moderate
December Weather3°C (38°F)110 mm (4.3 inches)86%moderate

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