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March Weather in Glastonbury, United States

Last updated: June 24, 2025

The average temperature in Glastonbury, United States in March is a chilly 4°C (39°F). Weather conditions can vary widely, with minimums plummeting to -18°C (-1°F) and maximums reaching 24°C (75°F). Expect a fair amount of rainfall, with precipitation totaling 89 mm (3.5 in) over about 9 days. Additionally, the average humidity sits at a sticky 81%, making for an interesting climate experience!

March Temperature in Glastonbury

In March in Glastonbury, the average temperature is 4°C (39°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -18°C (-1°F). This varied climate means travelers should be prepared for both chilly weather and warmer days during their visit.

March Weather in Glastonbury: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Glastonbury, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Glastonbury, March typically has an average temperature of 4°C (39°F), with highs reaching up to 24°C (75°F) and lows dropping to around -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec303339495969757366564234
Data source: Temperature data for Glastonbury 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.

March Precipitation in Glastonbury

In Glastonbury in March, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

March Precipitation Trends in Glastonbury

The chart displays monthly precipitation patterns in Glastonbury, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Glastonbury, March typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec66868912511385145909813291123
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Glastonbury

In Glastonbury in March, humidity is 81%. With an average temperature of 4°C (39°F), this humidity feels like a chilling dampness that penetrates even the warmest layers of clothing, making outdoor exploration uncomfortable and prompting travelers to seek refuge indoors.

March Average Humidity in Glastonbury

This chart illustrates the average monthly humidity levels in Glastonbury, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Glastonbury is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Glastonbury

In Glastonbury in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Glastonbury, you can refer to this Hourly UV Index in Glastonbury.

Maximum UV Index Levels in Glastonbury for March

The chart shows the monthly maximum UV Index (UVI) for Glastonbury in March, 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 March, the maximum UV index in Glastonbury typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Glastonbury March 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 March Weather in Glastonbury Compares to Other Months

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

This table compares monthly weather conditions in Glastonbury, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)66 mm (2.6 inches)84%moderate
February Weather1°C (33°F)86 mm (3.4 inches)82%moderate
March Weather4°C (39°F)89 mm (3.5 inches)81%high
April Weather9°C (49°F)125 mm (4.9 inches)78%very high
May Weather15°C (60°F)113 mm (4.5 inches)69%very high
June Weather20°C (69°F)85 mm (3.4 inches)69%very high
July Weather24°C (75°F)144 mm (5.7 inches)62%very high
August Weather23°C (74°F)90 mm (3.5 inches)65%very high
September Weather19°C (67°F)98 mm (3.8 inches)68%very high
October Weather13°C (56°F)132 mm (5.2 inches)74%high
November Weather6°C (43°F)91 mm (3.6 inches)82%moderate
December Weather1°C (34°F)123 mm (4.9 inches)80%low

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