Normally the weather in Guernsey throughout May is 10. Average high degrees are usually 14 degrees with a low of 9 celsius. Discover even more info below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 10 |
| High Temperature | 14 |
| Low Temperature | 9 |
| Sunshine Per Day | 8 |
Useful Links: Guernsey Weather: Average Weather & Yearly Climate