WeatherWX.com
Guernsey Monthly Climate Averages
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 37°F Lo 23°F | Hi 37°F Lo 21°F | Hi 49°F Lo 32°F | Hi 56°F Lo 36°F | Hi 66°F Lo 44°F | Hi 81°F Lo 56°F | Hi 88°F Lo 63°F | Hi 87°F Lo 61°F | Hi 79°F Lo 54°F | Hi 60°F Lo 40°F | Hi 48°F Lo 31°F | Hi 36°F Lo 22°F |
| 15 mph | 13 mph | 12 mph | 12 mph | 10 mph | 10 mph | 9 mph | 9 mph | 10 mph | 12 mph | 13 mph | 15 mph |
| 0.9 in | 1.3 in | 2.5 in | 3.3 in | 3.5 in | 2.3 in | 1.8 in | 1.3 in | 1.1 in | 1.8 in | 1.1 in | 1.1 in |
| 61% | 65% | 56% | 54% | 54% | 44% | 41% | 38% | 39% | 48% | 53% | 62% |
| 27% | 31% | 29% | 31% | 29% | 17% | 16% | 15% | 16% | 21% | 24% | 29% |
| 30.1 in | 30.1 in | 30.0 in | 29.9 in | 29.9 in | 29.8 in | 29.9 in | 29.9 in | 29.9 in | 30.0 in | 30.1 in | 30.1 in |
| 19 | 14 | 19 | 18 | 23 | 27 | 29 | 29 | 28 | 24 | 22 | 19 |
| 2 | 3 | 4 | 5 | 5 | 3 | 2 | 2 | 2 | 3 | 2 | 3 |
| 10 | 12 | 8 | 7 | 3 | 0 | 0 | 0 | 0 | 4 | 7 | 10 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 3 | 5 | 6 | 7 | 6 | 4 | 3 | 2 | 1 |
| 259 | 215 | 250 | 225 | 249 | 304 | 325 | 328 | 304 | 288 | 264 | 246 |
January |
February |
March |
April |
May |
June |
July |
August |
September |
October |
November |
December |
| Hi 3°C Lo -5°C | Hi 3°C Lo -6°C | Hi 10°C Lo -0°C | Hi 13°C Lo 2°C | Hi 19°C Lo 7°C | Hi 27°C Lo 13°C | Hi 31°C Lo 17°C | Hi 30°C Lo 16°C | Hi 26°C Lo 12°C | Hi 16°C Lo 5°C | Hi 9°C Lo -1°C | Hi 2°C Lo -6°C |
| 24 km/h | 21 km/h | 20 km/h | 19 km/h | 16 km/h | 15 km/h | 14 km/h | 14 km/h | 16 km/h | 19 km/h | 22 km/h | 24 km/h |
| 22 mm | 34 mm | 64 mm | 83 mm | 89 mm | 57 mm | 46 mm | 33 mm | 28 mm | 46 mm | 27 mm | 29 mm |
| 61% | 65% | 56% | 54% | 54% | 44% | 41% | 38% | 39% | 48% | 53% | 62% |
| 27% | 31% | 29% | 31% | 29% | 17% | 16% | 15% | 16% | 21% | 24% | 29% |
| 1021 mb | 1019 mb | 1015 mb | 1012 mb | 1012 mb | 1011 mb | 1013 mb | 1013 mb | 1014 mb | 1016 mb | 1018 mb | 1020 mb |
| 19 | 14 | 19 | 18 | 23 | 27 | 29 | 29 | 28 | 24 | 22 | 19 |
| 2 | 3 | 4 | 5 | 5 | 3 | 2 | 2 | 2 | 3 | 2 | 3 |
| 10 | 12 | 8 | 7 | 3 | 0 | 0 | 0 | 0 | 4 | 7 | 10 |
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 2 | 3 | 3 | 5 | 6 | 7 | 6 | 4 | 3 | 2 | 1 |
| 259 | 215 | 250 | 225 | 249 | 304 | 325 | 328 | 304 | 288 | 264 | 246 |
| Month |
| Avg. Temperatures |
| Avg. Wind Speed |
| Avg. Precipitation |
| Average Humidity |
| Avg. Cloud Cover |
| Pressure Average |
| Average Dry Days |
| Avg. Precip. Days |
| Avg. Snow Days |
| Average Fog Days |
| Average UV Index |
| Avg. Hours of Sun |
Averages are based on historical weather data from the past 10 years.