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
Hounslow, United Kingdom, marks the arrival of December with an average high-temperature of a chilly 7.9°C (46.2°F), hardly different from November's 10.2°C (50.4°F). Hounslow nights in December witness a mild cool down to an average temperature of 3.4°C (38.1°F).Humidity
December is the most humid month, with an average relative humidity of 89%.Rainfall
In Hounslow, in December, during 8.2 rainfall days, 16mm (0.63") of precipitation is typically accumulated. In Hounslow, during the entire year, the rain falls for 109 days and collects up to 156mm (6.14") of precipitation.Snowfall
Months with snowfall in Hounslow are January through March and December. December is the first month it typically snows in Hounslow. Throughout December, in the average 1.1 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 5.6 snowfall days, and 18mm (0.71") of snow is accumulated.Daylight
December has the shortest days of the year in Hounslow, United Kingdom, with an average of 7h and 54min of daylight.On the first day of December in Hounslow, sunrise is at 7:45 am and sunset at 3:56 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 Hounslow are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To protect against the Sun's most potent rays, avoid direct exposure around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Hounslow?
What is the most humid month in Hounslow?
What is the average humidity in December in Hounslow?
How much does it rain in Hounslow in December?
When does it start to snow in Hounslow?
What is the month with the shortest days in Hounslow?
How many hours of daylight does Hounslow have in December?
When are sunrise and sunset in December in Hounslow?
How many hours of sunshine does Hounslow have in December?
What is the month with the lowest UV index in Hounslow?
What is the UV index intensity in December in Hounslow?
Average temperature in December
Hounslow, United Kingdom
- Average high temperature in December: 7.9°C
The warmest month (with the highest average high temperature) is July (22°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 (1.9°C).
Average pressure in December
Hounslow, United Kingdom
- Average pressure in December: 1014.5mbar
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
Hounslow, 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
Hounslow, United Kingdom
- Average humidity in December: 89%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Hounslow, United Kingdom
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is June (21mm).
The driest months (with the least rainfall) are January, March, April and May (9mm).
Average rainfall days in December
Hounslow, United Kingdom
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is June (12.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Hounslow, United Kingdom
- Average snowfall in December: 5mm
The months with the highest snowfall are January and February (6mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Hounslow, United Kingdom
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2 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
Hounslow, United Kingdom
- Average daylight in December: 7h and 5min
The month with the longest days is June (Average daylight: 16h and 30min).
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: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in December
Hounslow, United Kingdom
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is October (20.2 days).
The months with the least sunshine days are June and July (14.2 days).
Average UV index in December
Hounslow, 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
Hounslow, 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
Hounslow, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
