December weather forecastCrabby, Guernsey
December weather for Crabby, Guernsey: The month with the shortest days in Crabby, Guernsey, is December, with an average of 8h and 12min of daylight. January, February, November and December, with an average relative humidity of 78%, are the least humid months in Crabby.
December
Weather in December
As winter sets in, Crabby's weather in December turns quite frosty with temperatures between 8.9°C (48°F) to 11°C (51.8°F). As one of the coldest months of the year, visitors and residents need to bundle up to stay warm. The dwindling daylight hours and increase in cloud cover make the days seem shorter, creating a unique winter character in the city. Frequent and extended rainy spells contribute to an increased amount of precipitation received by the city. The high winds, with a speed of 35.9km/h (22.3mph), kindle the feel of winter making December a month of cozy indoor activities.Temperature
As Crabby welcomes December, the average high-temperature is noted at a still cool 11°C (51.8°F), closely aligning with the preceding month. Crabby experiences an average nighttime temperature of 8.9°C (48°F) in December, reflecting a minor difference from the day's peak.Humidity
January, February, November and December, with an average relative humidity of 78%, are the least humid months in Crabby.Rainfall
In December, in Crabby, the rain falls for 21.5 days. Throughout December, 79mm (3.11") of precipitation is accumulated. In Crabby, during the entire year, the rain falls for 190.5 days and collects up to 559mm (22.01") of precipitation.Snowfall
In Crabby, snow does not fall in February through October and December.Daylight
With an average of 8h and 12min of daylight, December has the shortest days of the year in Crabby, Guernsey.On the first day of the month, sunrise is at 07:44 and sunset at 16:11. On the last day of December, sunrise is at 08:05 and sunset at 16:18 GMT.
Sunshine
The months with the least sunshine in Crabby are January, November and December, with an average of 4h of sunshine.UV index
In Crabby, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Take precautions - Protection against sun damage is advised. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Crabby, Guernsey
- Average high temperature in December: 11°C
The warmest month (with the highest average high temperature) is August (17.8°C).
The month with the lowest average high temperature is February (8.9°C).
- Average low temperature in December: 8.9°C
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (7.1°C).
Average pressure in December
Crabby, Guernsey
- Average pressure in December: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in December
Crabby, Guernsey
- Average wind speed in December: 35.9km/h
The windiest month (with the highest average wind speed) is December (35.9km/h).
The calmest month (with the lowest average wind speed) is July (22km/h).
Average humidity in December
Crabby, Guernsey
- Average humidity in December: 78%
The month with the highest relative humidity is June (85%).
The months with the lowest relative humidity are January, February, November and December (78%).
Average rainfall in December
Crabby, Guernsey
- Average rainfall in December: 79mm
The wettest month (with the highest rainfall) is November (84mm).
The driest months (with the least rainfall) are May and July (26mm).
Average rainfall days in December
Crabby, Guernsey
- Average rainfall days in December: 21.5 days
The month with the highest number of rainy days is November (22 days).
The month with the least rainy days is June (11.5 days).
Average snowfall in December
Crabby, Guernsey
- Average snowfall in December: 0mm
The months with the highest snowfall are January and November (1mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Crabby, Guernsey
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Crabby, Guernsey
- Average daylight in December: 8h and 12min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 0min).
Average sunshine days in December
Crabby, Guernsey
- Average sunshine days in December: 5.8 days
The month with the most sunshine days is May (17.7 days).
The month with the least sunshine days is November (4.7 days).
Average UV index in December
Crabby, Guernsey
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is February (UV index 2).
Average cloud cover in December
Crabby, Guernsey
- Average cloud cover in December: 62
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in December
Crabby, Guernsey
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
