Last updated: June 24, 2025
In Glastonbury, United States, the average temperature in August is a pleasant 23°C (74°F). Expect a range from a refreshing 10°C (51°F) to a warm 35°C (95°F). During this month, precipitation averages around 90 mm (3.5 in), typically spread over 10 days, with an average humidity of 65%. Whether you're basking in the sun or enjoying a cool breeze, August offers a delightful climate to explore!
In August in Glastonbury, the average temperature is 23°C (74°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 10°C (51°F). This makes it an ideal time for travelers to enjoy pleasant weather while exploring the area's attractions.
In Glastonbury in August, the precipitation amount is 90 mm (3.5 in) over the course of 10 days.
In Glastonbury in August, humidity is 65%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still enjoyable with the right planning.
In Glastonbury in August, 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.
UV Risk Categories
Weather in Glastonbury varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Glastonbury, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (31°F) | 66 mm (2.6 inches) | 84% | moderate |
February Weather | 1°C (33°F) | 86 mm (3.4 inches) | 82% | moderate |
March Weather | 4°C (39°F) | 89 mm (3.5 inches) | 81% | high |
April Weather | 9°C (49°F) | 125 mm (4.9 inches) | 78% | very high |
May Weather | 15°C (60°F) | 113 mm (4.5 inches) | 69% | very high |
June Weather | 20°C (69°F) | 85 mm (3.4 inches) | 69% | very high |
July Weather | 24°C (75°F) | 144 mm (5.7 inches) | 62% | very high |
August Weather | 23°C (74°F) | 90 mm (3.5 inches) | 65% | very high |
September Weather | 19°C (67°F) | 98 mm (3.8 inches) | 68% | very high |
October Weather | 13°C (56°F) | 132 mm (5.2 inches) | 74% | high |
November Weather | 6°C (43°F) | 91 mm (3.6 inches) | 82% | moderate |
December Weather | 1°C (34°F) | 123 mm (4.9 inches) | 80% | low |