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
With the onset of December, Great Waltham's average high-temperature clocks in at a frosty 7.5°C (45.5°F), showing a minor fluctuation from the previous month. Great Waltham's nights throughout December are marked by an average low temperature of 3.5°C (38.3°F), a minor drop from the day's high.Humidity
The most humid month in Great Waltham is December, with an average relative humidity of 89%.Rainfall
The month with the most rainfall in Great Waltham is December, when the rain falls for 12.8 days and typically aggregates up to 42mm (1.65") of precipitation.Snowfall
January through March, November and December are months with snowfall in Great Waltham. In Great Waltham, in December, during 1.8 snowfall days, 17mm (0.67") of snow is typically accumulated. Throughout the year, in Great Waltham, United Kingdom, there are 10.3 snowfall days, and 71mm (2.8") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:43 am and sunset at 3:51 pm. On the last day of December, sunrise is at 8:05 am and sunset at 3:57 pm GMT.
Sunshine
In Great Waltham, the average sunshine in December is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Great Waltham. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a regular UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Great Waltham?
What is the most humid month in Great Waltham?
What is the average humidity in December in Great Waltham?
What is the wettest month in Great Waltham?
How many days does it rain in December in Great Waltham?
How many days does it snow in December in Great Waltham?
What is the month with the shortest days in Great Waltham?
How many hours of daylight does Great Waltham have in December?
What time are sunrise and sunset in December in Great Waltham?
How long on average sun shines in December in Great Waltham?
What are the months with the lowest UV index in Great Waltham?
What is the UV index intensity in December in Great Waltham?
Average temperature in December
Great Waltham, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Great Waltham, United Kingdom
- Average pressure in December: 1014.3mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in December
Great Waltham, United Kingdom
- Average wind speed in December: 18.6km/h
The windiest month (with the highest average wind speed) is February (18.7km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in December
Great Waltham, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Great Waltham, 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 (19mm).
Average rainfall days in December
Great Waltham, United Kingdom
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in December
Great Waltham, United Kingdom
- Average snowfall in December: 17mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Great Waltham, United Kingdom
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is February (4 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
Great Waltham, 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 August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Great Waltham, United Kingdom
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is September (16.8 days).
The month with the least sunshine days is February (11.6 days).
Average UV index in December
Great Waltham, 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, November and December (UV index 2).
Average cloud cover in December
Great Waltham, United Kingdom
- Average cloud cover in December: 58
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 46).
Average visibility in December
Great Waltham, 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).
