Last updated: June 24, 2025
In Glastonbury, United States, the average temperature in April hovers around 9°C (49°F). Temperatures can vary significantly, with a minimum of -6°C (22°F) and a maximum reaching 29°C (85°F). Expect around 125 mm (4.9 in) of precipitation spread over 13 days, all while enjoying an average humidity level of 78%.
In April in Glastonbury, the average temperature is 9°C (49°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as -6°C (22°F). It's advisable to pack both warm and light clothing to accommodate the temperature fluctuations during your travels.
In Glastonbury in April, the total precipitation amount is 125 mm (4.9 in), occurring over a span of 13 days.
In Glastonbury in April, humidity is 78%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling, as the cool air combines with the moisture to create a brisk and invigorating atmosphere.
In Glastonbury in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 April’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 |