December weather forecastSwinstead, United Kingdom

December

Weather in December

December, the first month of the winter in Swinstead, is still a chilly month, with an average temperature varying between 2.5°C (36.5°F) and 6.6°C (43.9°F).

Temperature

December commences with an average high-temperature of a still chilly 6.6°C (43.9°F), showing little deviation from November's 9.2°C (48.6°F). A modest decline from daytime high temperatures in Swinstead is noticed in December, marking the average low at a wintry 2.5°C (36.5°F).

Humidity

December is the most humid month, with an average relative humidity of 90%.

Rainfall

In Swinstead, in December, during 11.5 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Swinstead, during the entire year, the rain falls for 152.3 days and collects up to 262mm (10.31") of precipitation.

Snowfall

January through April, November and December are months with snowfall in Swinstead. In Swinstead, during December, snow falls for 1.6 days and regularly aggregates up to 4mm (0.16") of snow. Throughout the year, there are 8.8 snowfall days, and 42mm (1.65") of snow is accumulated.

Daylight

With an average of 7h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:52 am and sunset at 3:50 pm. On the last day of December, in Swinstead, sunrise is at 8:14 am and sunset at 3:56 pm GMT.

Sunshine

In Swinstead, United Kingdom, the average sunshine in December 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 Swinstead. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

The high-temperature, in December, in Swinstead, is 6.6°C (43.9°F), while the low-temperature averages to 2.5°C (36.5°F).

December is the most humid month in Swinstead, with an average relative humidity of 90%.

In December, the average relative humidity is 90%.

In Swinstead, during December, the rain falls for 11.5 days and regularly aggregates up to 19mm (0.75") of precipitation.

In December, in Swinstead, it is snowing for 1.6 days. Throughout December, 4mm (0.16") of snow is accumulated.

The month with the shortest days in Swinstead, United Kingdom, is December, with an average of 7h and 42min of daylight.

In December, the average day length in Swinstead, United Kingdom, is 7h and 43min.

On the first day of December in Swinstead, sunrise is at 7:52 am and sunset at 3:50 pm. On the last day of the month, sunrise is at 8:14 am and sunset at 3:56 pm GMT.

In December, the average sunshine duration in Swinstead is 4.4h.

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Swinstead.

In December, the average daily maximum UV index in Swinstead is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Swinstead, United Kingdom

  • Average high temperature in December: 6.6°C

The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in December: 2.5°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).

Average pressure in December
Swinstead, United Kingdom

  • Average pressure in December: 1012.8mbar

The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

Average wind speed in December
Swinstead, United Kingdom

  • Average wind speed in December: 18.5km/h

The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).

Average humidity in December
Swinstead, United Kingdom

  • Average humidity in December: 90%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).

Average rainfall in December
Swinstead, United Kingdom

  • Average rainfall in December: 19mm

The wettest month (with the highest rainfall) is June (37mm).
The driest months (with the least rainfall) are March and April (15mm).

Average rainfall days in December
Swinstead, United Kingdom

  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in December
Swinstead, United Kingdom

  • Average snowfall in December: 4mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in December
Swinstead, United Kingdom

  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (3.1 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
Swinstead, United Kingdom

  • Average daylight in December: 7h and 42min

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 24min

The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

Average sunshine days in December
Swinstead, United Kingdom

  • Average sunshine days in December: 15.9 days

The months with the most sunshine days are October and December (15.9 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in December
Swinstead, 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
Swinstead, United Kingdom

  • Average cloud cover in December: 56

The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).

Average visibility in December
Swinstead, United Kingdom

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).