Weather in Saint Helier in 12月
Climate normals based on 10 years of historical data for Saint Helier, ジャージー.
Average high
11°C
Average low
9°C
Rainfall
121 mm
16 rainy days
Sunshine
1.3h/day
湿度
78%
How Hot Is Saint Helier in 12月?
Expect daytime highs around 11°C and overnight lows near 9°C in Saint Helier during December — an average of 10°C across the day.
Sunshine Hours in 12月
Sun is in short supply in Saint Helier this December: 1.3h a day, with daylight only 8h-long.
Does It Rain In Saint Helier In 12月?
Wet conditions dominate Saint Helier: 121mm of rain on 16 days.
Is Saint Helier Humid In 12月?
Tropical-style humidity defines Saint Helier's December: 78% on average, with constant mugginess.
Wind In Saint Helier In 12月
Saint Helier is windy in December — averaging 39 kph, with gusts considerably higher.
Cloud Cover In Saint Helier In 12月
Grey, cloudy days are the norm: 74% average cover in Saint Helier.
Cities With Similar Weather In 12月
Weather in Saint Helier, month by month
| Month | High / Low | 雨 | |
|---|---|---|---|
| 1月の天気 | 10°C / 7°C | 110mm | Details → |
| 2月の天気 | 9°C / 7°C | 79mm | Details → |
| 3月の天気 | 10°C / 8°C | 78mm | Details → |
| 4月の天気 | 12°C / 9°C | 41mm | Details → |
| 5月の天気 | 14°C / 11°C | 51mm | Details → |
| 6月の天気 | 17°C / 14°C | 60mm | Details → |
| 7月の天気 | 19°C / 16°C | 46mm | Details → |
| 8月の天気 | 19°C / 16°C | 74mm | Details → |
| 9月の天気 | 18°C / 15°C | 80mm | Details → |
| 10月の天気 | 16°C / 13°C | 119mm | Details → |
| 11月の天気 | 13°C / 10°C | 139mm | Details → |
| 12月の天気 | 11°C / 9°C | 121mm |