December weather forecastWest Grinstead, United Kingdom
December
Weather in December
December, the first month of the winter in West Grinstead, is still a chilly month, with an average temperature ranging between max 8.3°C (46.9°F) and min 4°C (39.2°F).Temperature
West Grinstead marks the arrival of December with an average high-temperature of a chilly 8.3°C (46.9°F), hardly different from November's 10.7°C (51.3°F). The temperature in West Grinstead during December sees a subtle transition from day to night, averaging a low of 4°C (39.2°F).Humidity
The most humid month is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall is December, when the rain falls for 13.6 days and typically aggregates up to 42mm (1.65") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In West Grinstead, in December, snow falls for 1.7 days, with typically accumulated 12mm (0.47") of snow. Throughout the year, in West Grinstead, there are 9.7 snowfall days, and 47mm (1.85") of snow is accumulated.Daylight
With an average of 8h and 0min of daylight, December has the shortest days of the year in West Grinstead.On the first day of the month, sunrise is at 7:42 am and sunset at 3:58 pm. On the last day of December, sunrise is at 8:04 am and sunset at 4:04 pm GMT.
Sunshine
In December, the average sunshine is 4.2h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in West Grinstead. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
West Grinstead, United Kingdom
- Average high temperature in December: 8.3°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in December: 4°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (2.7°C).
Average pressure in December
West Grinstead, United Kingdom
- Average pressure in December: 1015mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1010.8mbar).
Average wind speed in December
West Grinstead, United Kingdom
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest months (with the lowest average wind speed) are July and August (13.3km/h).
Average humidity in December
West Grinstead, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).
Average rainfall in December
West Grinstead, United Kingdom
- Average rainfall in December: 42mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in December
West Grinstead, United Kingdom
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is November (16.6 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in December
West Grinstead, United Kingdom
- Average snowfall in December: 12mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
West Grinstead, United Kingdom
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
West Grinstead, United Kingdom
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is July (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
West Grinstead, United Kingdom
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is September (16.1 days).
The months with the least sunshine days are February and November (10.7 days).
Average UV index in December
West Grinstead, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
West Grinstead, United Kingdom
- Average cloud cover in December: 59
The months with the most cloud cover are February and November (Cloud cover 61).
The months with the least cloud cover are April, July, August and September (Cloud cover 47).
Average visibility in December
West Grinstead, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
