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
A minimal variation is noted in Bristol's average high-temperature at the onset of December, reaching a chilly 46.6°F from November's 50.5°F. Night temperatures during December in Bristol stabilize at an average of 39.4°F, closely mirroring the daytime temperatures.Humidity
January, November and December, with an average relative humidity of 88%, are the most humid months in Bristol.Rainfall
In December, in Bristol, the rain falls for 9.5 days. Throughout December, 0.79" of precipitation is accumulated. In Bristol, United Kingdom, during the entire year, the rain falls for 123.4 days and collects up to 7.4" of precipitation.Snowfall
January through March and December are months with snowfall in Bristol. December is the first month it typically snows in Bristol. Throughout December, in the average 0.7 snowfall days, it receives 0.04" of snow. In Bristol, United Kingdom, during the entire year, snow falls for 5.3 days and aggregates up to 0.35" 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 the month, sunrise is at 7:54 am and sunset at 4:05 pm. On the last day of December, in Bristol, sunrise is at 8:15 am and sunset at 4:11 pm GMT.
Sunshine
In December, the average sunshine in Bristol is 4h.UV index
The months with the lowest UV index 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 vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. 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 Bristol?
What is the most humid month in Bristol?
What is the average humidity in December in Bristol?
How many days does it rain in December in Bristol?
When does it start snowing in Bristol?
What is the month with the shortest days in Bristol?
How many hours of daylight does Bristol have in December?
When are sunrise and sunset in December in Bristol?
How many hours of sunshine does Bristol have in December?
What is the month with the lowest UV index in Bristol?
What is the UV index intensity in December in Bristol?
Average temperature in December
Bristol, United Kingdom
- Average high temperature in December: 46.6°F
The warmest month (with the highest average high temperature) is July (68.4°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is August (54.9°F).
The coldest months (with the lowest average low temperature) are January and February (37°F).
Average pressure in December
Bristol, United Kingdom
- Average pressure in December: 29.95"Hg
The month with the highest atmospheric pressure is September (30.03"Hg).
The month with the lowest atmospheric pressure is November (29.83"Hg).
Average wind speed in December
Bristol, United Kingdom
- Average wind speed in December: 11.4mph
The windiest month (with the highest average wind speed) is February (11.8mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in December
Bristol, United Kingdom
- Average humidity in December: 88%
The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is July (81%).
Average rainfall in December
Bristol, United Kingdom
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is November (0.87").
The driest months (with the least rainfall) are January, April and September (0.47").
Average rainfall days in December
Bristol, United Kingdom
- Average rainfall days in December: 9.5 days
The months with the highest number of rainy days are July and August (12.1 days).
The month with the least rainy days is October (8.2 days).
Average snowfall in December
Bristol, United Kingdom
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Bristol, United Kingdom
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (2.5 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
Bristol, 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 0min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 48min).
Average sunshine days in December
Bristol, United Kingdom
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.7 days).
Average UV index in December
Bristol, 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
Bristol, United Kingdom
- Average cloud cover in December: 60
The month with the most cloud cover is November (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in December
Bristol, United Kingdom
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
