December weather forecast
Greenford, United Kingdom

December

Weather in December

The first month of the winter, December, is still a chilly month in Greenford, United Kingdom, with temperature in the range of an average high of 7.9°C (46.2°F) and an average low of 3.4°C (38.1°F).

Temperature

Greenford, United Kingdom, starts December with an average high-temperature of a chilly 7.9°C (46.2°F), a minor shift from November's 10.3°C (50.5°F). Greenford observes an average low-temperature of 3.4°C (38.1°F) during the slightly cooler nights of December.

Humidity

With an average relative humidity of 88%, December is the most humid month in Greenford.

Rainfall

December is the month with the most rainfall in Greenford, United Kingdom. Rain falls for 13.9 days and accumulates 46mm (1.81") of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 1.6 days. Throughout December, 15mm (0.59") of snow is accumulated. Throughout the year, there are 8.8 snowfall days, and 55mm (2.17") of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 7h and 54min of daylight.
On the first day of December in Greenford, sunrise is at 7:45 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 4:02 pm GMT.

Sunshine

The average sunshine in December in Greenford is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Greenford. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What is the average December temperature in Greenford?
The high-temperature, in December, in Greenford, is 7.9°C (46.2°F), while the low-temperature averages to 3.4°C (38.1°F).
What is the most humid month in Greenford?
With an average relative humidity of 88%, December is the most humid month in Greenford, United Kingdom.
What is the average humidity in December in Greenford?
The average relative humidity in December in Greenford, United Kingdom, is 88%.
What is the rainiest month in Greenford?
December is the month with the most rainfall. Rain falls for 13.9 days and accumulates 46mm (1.81") of precipitation.
How many days does it rain in December in Greenford?
In Greenford, United Kingdom, during December, the rain falls for 13.9 days and regularly aggregates up to 46mm (1.81") of precipitation.
How many days does it snow in December in Greenford?
In December, in Greenford, United Kingdom, it is snowing for 1.6 days. Throughout December, 15mm (0.59") of snow is accumulated.
What is the month with the shortest days in Greenford?
With an average of 7h and 54min of daylight, December has the shortest days of the year in Greenford.
What is the average length of the day in December in Greenford?
In December, the average day length is 7h and 55min.
When are sunrise and sunset in December in Greenford?
On the first day of December in Greenford, sunrise is at 7:45 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 4:02 pm GMT.
How long on average sun shines in December in Greenford?
The average sunshine duration in December is 4.3h.
What is the month with the lowest UV index in Greenford?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the UV index reading in December in Greenford?
In Greenford, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from 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 - Greenford, United Kingdom
Average temperature in December
Greenford, United Kingdom
  • Average high temperature in December: 7.9°C

The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in December: 3.4°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (2°C).

Average pressure in December - Greenford, United Kingdom
Average pressure in December
Greenford, United Kingdom
  • Average pressure in December: 1014.4mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).

Average wind speed in December - Greenford, United Kingdom
Average wind speed in December
Greenford, United Kingdom
  • Average wind speed in December: 17.1km/h

The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest months (with the lowest average wind speed) are July and September (12.7km/h).

Average humidity in December - Greenford, United Kingdom
Average humidity in December
Greenford, United Kingdom
  • Average humidity in December: 88%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (73%).

Average rainfall in December - Greenford, United Kingdom
Average rainfall in December
Greenford, United Kingdom
  • Average rainfall in December: 46mm

The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (22mm).

Average rainfall days in December - Greenford, United Kingdom
Average rainfall days in December
Greenford, United Kingdom
  • Average rainfall days in December: 13.9 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (11.9 days).

Average snowfall in December - Greenford, United Kingdom
Average snowfall in December
Greenford, United Kingdom
  • Average snowfall in December: 15mm

The month with the highest snowfall is February (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in December - Greenford, United Kingdom
Average snowfall days in December
Greenford, United Kingdom
  • Average snowfall days in December: 1.6 days

The month with the highest number of snowfall days is February (3.5 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 - Greenford, United Kingdom
Average daylight in December /
Average sunshine in December
Greenford, United Kingdom
  • Average daylight in December: 7h and 5min

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 2min

The month with the most sunshine is July (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in December - Greenford, United Kingdom
Average sunshine days in December
Greenford, United Kingdom
  • Average sunshine days in December: 13.6 days

The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (11.2 days).

Average UV index in December - Greenford, United Kingdom
Average UV index in December
Greenford, United Kingdom
  • Average UV index in December: 2

The months with the highest UV index are June and 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 - Greenford, United Kingdom
Average cloud cover in December
Greenford, United Kingdom
  • Average cloud cover in December: 58

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is April (Cloud cover 49).

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

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

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