Guernsey Weather Averages
Country-wide climate averages aggregated across cities in Guernsey.
Annual avg temp
12.6°C
Annual avg high
13.7°C
Annual avg low
11.6°C
Annual rainfall
1018 mm
Sunshine
3.1h/day
Niiskus
79%
Month-by-month averages
| Month | Avg High | Avg Low | Rainfall | Sunshine |
|---|---|---|---|---|
| Jaanuari ilm | 10°C | 8°C | 127 mm | 1.2h |
| Veebruari ilm | 10°C | 8°C | 86 mm | 1.7h |
| Märtsi ilm | 10°C | 8°C | 81 mm | 2.3h |
| Aprilli ilm | 11°C | 9°C | 41 mm | 4.1h |
| Mai ilm | 13°C | 11°C | 49 mm | 4.7h |
| Juuni ilm | 16°C | 13°C | 47 mm | 5.4h |
| Juuli ilm | 17°C | 15°C | 43 mm | 5.1h |
| Augusti ilm | 18°C | 16°C | 70 mm | 4.6h |
| Septembri ilm | 17°C | 16°C | 71 mm | 3.4h |
| Oktoobri ilm | 16°C | 14°C | 126 mm | 2.2h |
| Novembri ilm | 13°C | 11°C | 143 mm | 1.1h |
| Detsembri ilm | 12°C | 10°C | 133 mm | 1.1h |