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
Weather in December
Temperature
With the onset of December, the average high-temperature registers at a frosty 7.5°C (45.5°F), subtly different from November's 10°C (50°F). Night temperatures in December exhibit a subtle decrease, settling at an average of 4.7°C (40.5°F).Humidity
December is the most humid month in Dereham, with an average relative humidity of 86%.Rainfall
In December, in Dereham, United Kingdom, the rain falls for 13.5 days. Throughout December, 39mm (1.54") of precipitation is accumulated. In Dereham, during the entire year, the rain falls for 169.2 days and collects up to 430mm (16.93") of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Dereham, in December, snow falls for 1 days, with typically accumulated 6mm (0.24") of snow. In Dereham, during the entire year, snow falls for 8.1 days and aggregates up to 36mm (1.42") of snow.Daylight
December has the shortest days of the year, with an average of 7h and 42min of daylight.On the first day of December in Dereham, sunrise is at 7:45 am and sunset at 3:45 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 3:51 pm GMT.
Sunshine
In December, the average sunshine in Dereham is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dereham. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What is the usual temperature for Dereham in December?
What is the most humid month in Dereham?
What is the average humidity in December in Dereham?
How many days does it rain in December in Dereham?
How much does it snow in Dereham in December?
What is the month with the shortest days in Dereham?
What is the average length of the day in December in Dereham?
When are sunrise and sunset in December in Dereham?
How long on average sun shines in December in Dereham?
What are the months with the lowest UV index in Dereham?
How high is the UV index in December in Dereham?
Average temperature in December
Dereham, United Kingdom
- Average high temperature in December: 7.5°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 4.7°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (3.4°C).
Average pressure in December
Dereham, United Kingdom
- Average pressure in December: 1012.8mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in December
Dereham, United Kingdom
- Average wind speed in December: 24.8km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in December
Dereham, United Kingdom
- Average humidity in December: 86%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Dereham, United Kingdom
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is June (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in December
Dereham, United Kingdom
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in December
Dereham, United Kingdom
- Average snowfall in December: 6mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Dereham, United Kingdom
- Average snowfall days in December: 1 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
Dereham, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in December
Dereham, United Kingdom
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is March (15.9 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Dereham, 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
Dereham, United Kingdom
- Average cloud cover in December: 57
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in December
Dereham, United Kingdom
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
Dereham, United Kingdom
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