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July Weather in Glastonbury, United States

Last updated: June 24, 2025

In July, the average temperature in Glastonbury, United States hovers around 24°C (75°F). Expect a comfortable range, with minimum temperatures dipping to 13°C (55°F) and reaching up to a sizzling 38°C (100°F). During this month, precipitation totals about 144 mm (5.7 in) spread across 13 days, contributing to an average humidity of 62%.

July Temperature in Glastonbury

In July in Glastonbury, the average temperature is 24°C (75°F). Maximum temperatures can reach 38°C (100°F), while minimums can drop to as low as 13°C (55°F). This range makes Glastonbury an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates July 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, July typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (100°F) and lows dropping to around 13°C (55°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.

July Precipitation in Glastonbury

In Glastonbury in July, the precipitation amount is 144 mm (5.7 in) spread over 13 days.

July Precipitation Trends in Glastonbury

The chart displays monthly precipitation patterns in Glastonbury, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Glastonbury, July typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec66868912511385145909813291123
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Glastonbury

In Glastonbury in July, humidity is 62%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making for a sticky yet comfortable travel experience that invites you to explore but may require occasional breaks to rehydrate and cool down.

July Average Humidity in Glastonbury

This chart illustrates the average monthly humidity levels in Glastonbury, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Glastonbury is approximately 62%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Glastonbury

In Glastonbury in July, 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 Glastonbury.

Maximum UV Index Levels in Glastonbury for July

The chart shows the monthly maximum UV Index (UVI) for Glastonbury in July, 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 July, the maximum UV index in Glastonbury typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998642
Data source: Glastonbury July 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 July 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 July’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 July’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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