Glastonbury Climate: Weather by Month and Best Time to Visit
Best months for Glastonbury: September, August, July, June.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 3°C | -6°C | 85 mm | 10 | – | – | 4.1 |
| February | 4°C | -5°C | 75 mm | 9 | – | – | 4.6 |
| March | 8°C | -1°C | 102 mm | 10 | – | – | 5.2 |
| April | 15°C | 5°C | 90 mm | 11 | – | – | 6.5 |
| May | 21°C | 10°C | 82 mm | 11 | – | – | 7.4 |
| June | 26°C | 15°C | 95 mm | 11 | – | – | 7.5 |
| July | 29°C | 18°C | 86 mm | 11 | – | – | 7.6 |
| August | 28°C | 18°C | 99 mm | 10 | – | – | 7.7 |
| September | 23°C | 14°C | 96 mm | 9 | – | – | 7.9 |
| October | 17°C | 7°C | 101 mm | 9 | – | – | 7.0 |
| November | 11°C | 2°C | 84 mm | 9 | – | – | 6.0 |
| December | 5°C | -3°C | 104 mm | 10 | – | – | 4.6 |