Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
December's climate shows a minor adjustment in average high-temperatures to a still chilly 7.3°C (45.1°F) from November's 9.6°C (49.3°F). In Lower Hartwell, December nights experience a modest descent in temperature from daily peaks, cooling down to an average of 2.7°C (36.9°F).Humidity
The most humid month is December, with an average relative humidity of 91%.Rainfall
In Lower Hartwell, in December, during 14.6 rainfall days, 45mm (1.77") of precipitation is typically accumulated. In Lower Hartwell, during the entire year, the rain falls for 187.4 days and collects up to 476mm (18.74") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 12mm (0.47") of snow. Throughout the year, there are 8.4 snowfall days, and 51mm (2.01") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 7h and 54min of daylight.On the first day of December in Lower Hartwell, sunrise is at 7:48 am and sunset at 3:56 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 4:02 pm GMT.
Sunshine
In December, the average sunshine in Lower Hartwell is 4.3h.UV index
The months with the lowest UV index in Lower Hartwell are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in December translates into this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Lower Hartwell?
What is the most humid month in Lower Hartwell?
What is the average humidity in December in Lower Hartwell?
How much does it rain in Lower Hartwell in December?
When does it start to snow in Lower Hartwell?
What is the month with the shortest days in Lower Hartwell?
What is the average length of the day in December in Lower Hartwell?
When are sunrise and sunset in December in Lower Hartwell?
How long on average sun shines in December in Lower Hartwell?
When is the lowest UV index in Lower Hartwell?
What is the UV index intensity in December in Lower Hartwell?
Average temperature in December
Lower Hartwell, United Kingdom
- Average high temperature in December: 7.3°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in December
Lower Hartwell, United Kingdom
- Average pressure in December: 1014mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in December
Lower Hartwell, United Kingdom
- Average wind speed in December: 18.2km/h
The windiest month (with the highest average wind speed) is February (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in December
Lower Hartwell, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Lower Hartwell, United Kingdom
- Average rainfall in December: 45mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in December
Lower Hartwell, United Kingdom
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in December
Lower Hartwell, United Kingdom
- Average snowfall in December: 12mm
The months with the highest snowfall are January and February (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Lower Hartwell, United Kingdom
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.3 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
Lower Hartwell, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in December
Lower Hartwell, United Kingdom
- Average sunshine days in December: 11.8 days
The month with the most sunshine days is March (14.6 days).
The month with the least sunshine days is August (6.7 days).
Average UV index in December
Lower Hartwell, United Kingdom
- Average UV index in December: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Lower Hartwell, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in December
Lower Hartwell, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, September, October and November (8km).
