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
December
Weather in December
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Greenford?
What is the most humid month in Greenford?
What is the average humidity in December in Greenford?
What is the rainiest month in Greenford?
How many days does it rain in December in Greenford?
How many days does it snow in December in Greenford?
What is the month with the shortest days in Greenford?
What is the average length of the day in December in Greenford?
When are sunrise and sunset in December in Greenford?
How long on average sun shines in December in Greenford?
What is the month with the lowest UV index in Greenford?
What is the UV index reading in December in Greenford?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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).
