December weather forecast
Stanmer, United Kingdom

December

Weather in December

The first month of the winter, December, is still a chilly month in Stanmer, United Kingdom, with an average temperature varying between 9.2°C (48.6°F) and 5.9°C (42.6°F).

Temperature

The high-temperature average in December for Stanmer is a frosty 9.2°C (48.6°F), staying closely aligned with November's conditions. Throughout December, Stanmer records a steady low-temperature average of 5.9°C (42.6°F), a minor decrease from its daytime counterpart.

Humidity

January and December, with an average relative humidity of 85%, are the most humid months.

Rainfall

The wettest months in Stanmer, United Kingdom, are November and December, with an average 59mm (2.32") of rainfall.

Snowfall

Months with snowfall in Stanmer are January through April, November and December. In December, in Stanmer, it is snowing for 0.9 days. Throughout December, 5mm (0.2") of snow is accumulated. In Stanmer, during the entire year, snow falls for 5.4 days and aggregates up to 23mm (0.91") of snow.

Daylight

With an average of 8h and 0min of daylight, December has the shortest days of the year in Stanmer.
On the first day of December in Stanmer, sunrise is at 7:41 am and sunset at 3:57 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:04 pm GMT.

Sunshine

In December, the average sunshine in Stanmer is 4.4h.

UV index

In Stanmer, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The UV index of 3 during December leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.

Frequently asked questions

What are the temperatures in Stanmer in December?
An average high-temperature, in December, in Stanmer, is 9.2°C (48.6°F) and the average low-temperature is 5.9°C (42.6°F).
What are the most humid months in Stanmer?
The months with the highest humidity in Stanmer are January and December, with an average relative humidity of 85%.
What is the average humidity in December in Stanmer?
The average relative humidity in December in Stanmer, United Kingdom, is 85%.
What is the wettest month in Stanmer?
The months with the most rainfall in Stanmer, United Kingdom, are November and December, with an average 59mm (2.32") of precipitation.
How much does it rain in Stanmer in December?
In Stanmer, United Kingdom, during December, the rain falls for 17.2 days and regularly aggregates up to 59mm (2.32") of precipitation.
How much does it snow in Stanmer in December?
In Stanmer, in December, during 0.9 snowfall days, 5mm (0.2") of snow is typically accumulated.
What is the month with the shortest days in Stanmer?
December has the shortest days of the year in Stanmer, with an average of 8h and 0min of daylight.
How many hours of daylight does Stanmer have in December?
The average day length in December is 8h and 2min.
When are sunrise and sunset in December in Stanmer?
On the first day of December in Stanmer, United Kingdom, sunrise is at 7:41 am and sunset at 3:57 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 4:04 pm GMT.
How many hours of sunshine does Stanmer have in December?
The average sunshine duration in December in Stanmer is 4.4h.
What is the UV index reading in December in Stanmer?
In December, the average daily maximum UV index in Stanmer is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Stanmer, United Kingdom
Average temperature in December
Stanmer, United Kingdom
  • Average high temperature in December: 9.2°C

The warmest month (with the highest average high temperature) is August (19.7°C).
The months with the lowest average high temperature are January and February (7.5°C).

  • Average low temperature in December: 5.9°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 (4.2°C).

Average pressure in December - Stanmer, United Kingdom
Average pressure in December
Stanmer, United Kingdom
  • Average pressure in December: 1015.3mbar

The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

Average wind speed in December - Stanmer, United Kingdom
Average wind speed in December
Stanmer, United Kingdom
  • Average wind speed in December: 24.6km/h

The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).

Average humidity in December - Stanmer, United Kingdom
Average humidity in December
Stanmer, United Kingdom
  • Average humidity in December: 85%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are August and September (79%).

Average rainfall in December - Stanmer, United Kingdom
Average rainfall in December
Stanmer, United Kingdom
  • Average rainfall in December: 59mm

The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in December - Stanmer, United Kingdom
Average rainfall days in December
Stanmer, United Kingdom
  • Average rainfall days in December: 17.2 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is September (12.8 days).

Average snowfall in December - Stanmer, United Kingdom
Average snowfall in December
Stanmer, United Kingdom
  • Average snowfall in December: 5mm

The month with the highest snowfall is January (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December - Stanmer, United Kingdom
Average snowfall days in December
Stanmer, United Kingdom
  • Average snowfall days in December: 0.9 days

The months with the highest number of snowfall days are January and February (1.7 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 - Stanmer, United Kingdom
Average daylight in December /
Average sunshine in December
Stanmer, United Kingdom
  • Average daylight in December: 8h and 0min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in December - Stanmer, United Kingdom
Average sunshine days in December
Stanmer, United Kingdom
  • Average sunshine days in December: 9.8 days

The month with the most sunshine days is September (14.1 days).
The month with the least sunshine days is November (8.2 days).

Average UV index in December - Stanmer, United Kingdom
Average UV index in December
Stanmer, United Kingdom
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).

Average cloud cover in December - Stanmer, United Kingdom
Average cloud cover in December
Stanmer, United Kingdom
  • Average cloud cover in December: 57

The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 40).

Average visibility in December - Stanmer, United Kingdom
Average visibility in December
Stanmer, United Kingdom
  • Average visibility in December: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).

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