December weather forecastGloucester, United Kingdom

December

Weather in December

The first month of the winter, December, is still a chilly month in Gloucester, United Kingdom, with an average temperature varying between 7.4°C (45.3°F) and 2.9°C (37.2°F).

Temperature

As December takes hold, the average high-temperature is a still chilly 7.4°C (45.3°F), nearly mirroring that of the previous month. Gloucester's nighttime average temperature in December drops marginally from the daytime highs, settling at an icy 2.9°C (37.2°F).

Humidity

The months with the highest humidity in Gloucester are January, November and December, with an average relative humidity of 90%.

Rainfall

In Gloucester, during December, the rain falls for 15.2 days and regularly aggregates up to 45mm (1.77") of precipitation. In Gloucester, United Kingdom, during the entire year, the rain falls for 175.7 days and collects up to 447mm (17.6") of precipitation.

Snowfall

Months with snowfall in Gloucester are January through April and December. December is the first month it typically snows. Throughout December, in the average 1 snowfall days, it receives 15mm (0.59") of snow. Throughout the year, there are 7.9 snowfall days, and 55mm (2.17") of snow is accumulated.

Daylight

December has the shortest days of the year in Gloucester, with an average of 7h and 54min of daylight.
On the first day of December in Gloucester, sunrise is at 7:54 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:08 pm GMT.

Sunshine

The average sunshine in December in Gloucester, United Kingdom, is 4.2h.

UV index

The months with the lowest UV index in Gloucester are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

The average high-temperature, in December, in Gloucester, is 7.4°C (45.3°F), while the average low-temperature is 2.9°C (37.2°F).

The months with the highest humidity in Gloucester are January, November and December, with an average relative humidity of 90%.

In Gloucester, the average relative humidity in December is 90%.

In Gloucester, United Kingdom, in December, during 15.2 rainfall days, 45mm (1.77") of precipitation is typically accumulated.

December is the first month it typically snows in Gloucester, United Kingdom. Throughout December, in the average 1 snowfall days, it receives 15mm (0.59") of snow.

With an average of 7h and 54min of daylight, December has the shortest days of the year in Gloucester, United Kingdom.

In Gloucester, United Kingdom, the average day length in December is 7h and 52min.

On the first day of December in Gloucester, United Kingdom, sunrise is at 7:54 am and sunset at 4:01 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 4:08 pm GMT.

In Gloucester, United Kingdom, the average sunshine duration in December is 4.2h.

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

In Gloucester, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low 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
Gloucester, United Kingdom

  • Average high temperature in December: 7.4°C

The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in December: 2.9°C

The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

Average pressure in December
Gloucester, United Kingdom

  • Average pressure in December: 1013.8mbar

The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).

Average wind speed in December
Gloucester, United Kingdom

  • Average wind speed in December: 17.6km/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 (12.6km/h).

Average humidity in December
Gloucester, United Kingdom

  • Average humidity in December: 90%

The months with the highest relative humidity are January, November and December (90%).
The months with the lowest relative humidity are July and August (82%).

Average rainfall in December
Gloucester, United Kingdom

  • Average rainfall in December: 45mm

The wettest months (with the highest rainfall) are June and November (50mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in December
Gloucester, United Kingdom

  • Average rainfall days in December: 15.2 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (12.5 days).

Average snowfall in December
Gloucester, United Kingdom

  • Average snowfall in December: 15mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Gloucester, United Kingdom

  • Average snowfall days in December: 1 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
Gloucester, United Kingdom

  • Average daylight in December: 7h and 54min

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 12min

The month with the most sunshine is July (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).

Average sunshine days in December
Gloucester, United Kingdom

  • Average sunshine days in December: 13 days

The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December
Gloucester, United Kingdom

  • Average UV index in December: 2

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Gloucester, United Kingdom

  • Average cloud cover in December: 59

The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April, July and September (Cloud cover 53).

Average visibility in December
Gloucester, United Kingdom

  • Average visibility in December: 8km

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