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
Weather in December
Temperature
The transition from November to December brings an average high-temperature of a frosty 7.9°C (46.2°F), barely different from November's 10.3°C (50.5°F). Chiswick observes a consistent average low-temperature of 3.4°C (38.1°F) throughout December nights.Humidity
With an average relative humidity of 88%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 13.9 days and typically aggregates up to 46mm (1.81") of precipitation.Snowfall
Months with snowfall in Chiswick are January through March, November and December. In Chiswick, in December, snow falls for 1.6 days, with typically accumulated 15mm (0.59") of snow. In Chiswick, United Kingdom, during the entire year, snow falls for 8.8 days and aggregates up to 55mm (2.17") of snow.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year.On the first day of December in Chiswick, sunrise is at 7:44 am and sunset at 3:55 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 4:02 pm GMT.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Chiswick, United Kingdom, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Chiswick?
What is the most humid month in Chiswick?
What is the average humidity in December in Chiswick?
What is the rainiest month in Chiswick?
How much does it rain in Chiswick in December?
How many days does it snow in December in Chiswick?
What is the month with the shortest days in Chiswick?
What is the average length of the day in December in Chiswick?
What time are sunrise and sunset in December in Chiswick?
How many hours of sunshine does Chiswick have in December?
What are the months with the lowest UV index in Chiswick?
What is the UV index reading in December in Chiswick?
Average temperature in December
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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
Chiswick, 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).
Chiswick, United Kingdom
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