Generally, you can anticipate the weather in Glastonbury throughout the month of June is 13 with highs being 19 with low average temperatures being 10 celsius. The table below includes more detail:
| Month | Degrees Celsius |
|---|---|
| Temperature | 13 |
| High Temperature | 19 |
| Low Temperature | 10 |
Useful Links: Glastonbury Weather: Average Weather & Yearly Climate