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
December ushers in an average high-temperature of a still frosty 6.3°C (43.3°F), aligning closely with the preceding month. A slight dip in temperature to a wintry 2.5°C (36.5°F) marks the average nights during December.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 90%.Rainfall
In Simister, during December, the rain falls for 18.4 days and regularly aggregates up to 46mm (1.81") of precipitation. Throughout the year, in Simister, there are 197.1 rainfall days, and 441mm (17.36") of precipitation is accumulated.Snowfall
Months with snowfall in Simister are January through April, November and December. In December, in Simister, it is snowing for 1.8 days. Throughout December, 13mm (0.51") of snow is accumulated. Throughout the year, in Simister, United Kingdom, there are 12.1 snowfall days, and 89mm (3.5") of snow is accumulated.Daylight
The month with the shortest days in Simister is December, with an average of 7h and 36min of daylight.On the first day of December, sunrise is at 8:02 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 8:25 am and sunset at 3:59 pm GMT.
Sunshine
In Simister, the average sunshine in December is 3.6h.UV index
The months with the lowest UV index in Simister are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Simister in December?
What are the most humid months in Simister?
What is the average humidity in December in Simister?
How many days does it rain in December in Simister?
How many days does it snow in December in Simister?
What is the month with the shortest days in Simister?
How many hours of daylight does Simister have in December?
When is the sunrise / sunset in December in Simister?
How long on average sun shines in December in Simister?
What are the months with the lowest UV index in Simister?
How high is the UV index in December in Simister?
Average temperature in December
Simister, United Kingdom
- Average high temperature in December: 6.3°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (11.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.5°C).
Average pressure in December
Simister, United Kingdom
- Average pressure in December: 1011.6mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.9mbar).
Average wind speed in December
Simister, United Kingdom
- Average wind speed in December: 17.5km/h
The windiest month (with the highest average wind speed) is February (18km/h).
The calmest months (with the lowest average wind speed) are June and July (12.5km/h).
Average humidity in December
Simister, United Kingdom
- Average humidity in December: 90%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in December
Simister, United Kingdom
- Average rainfall in December: 46mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in December
Simister, United Kingdom
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is April (13.2 days).
Average snowfall in December
Simister, United Kingdom
- Average snowfall in December: 13mm
The month with the highest snowfall is January (32mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Simister, United Kingdom
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.9 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
Simister, United Kingdom
- Average daylight in December: 7h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in December: 3h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 0min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in December
Simister, United Kingdom
- Average sunshine days in December: 8.2 days
The month with the most sunshine days is April (12.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in December
Simister, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Simister, United Kingdom
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in December
Simister, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March, April, May, June and October (9km).
The months with the lowest visibility are January, July, August, September, November and December (8km).
Simister, United Kingdom
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