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 beginning of December in Swindon, United Kingdom, records an average high-temperature of a still chilly 7.2°C (45°F), marking a negligible difference from November's 9.5°C (49.1°F). Swindon encounters a negligible difference from daytime peaks throughout the December nights, with a low-temperature average of 2.7°C (36.9°F).Humidity
The most humid month is December, with an average relative humidity of 91%.Rainfall
In Swindon, in December, it is raining for 11.7 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 165.8 rainfall days, and 376mm (14.8") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Swindon, in December, during 1.6 snowfall days, 9mm (0.35") of snow is typically accumulated. Throughout the year, in Swindon, there are 9.9 snowfall days, and 53mm (2.09") of snow is accumulated.Daylight
With an average of 7h and 54min of daylight, December has the shortest days of the year in Swindon.On the first day of the month, sunrise is at 7:51 am and sunset at 4:01 pm. On the last day of December, in Swindon, sunrise is at 8:12 am and sunset at 4:07 pm GMT.
Sunshine
In December, the average sunshine in Swindon, United Kingdom, is 3.9h.UV index
The months with the lowest UV index in Swindon are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Swindon?
What is the most humid month in Swindon?
What is the average humidity in December in Swindon?
How many days does it rain in December in Swindon?
How many days does it snow in December in Swindon?
What is the month with the shortest days in Swindon?
How many hours of daylight does Swindon have in December?
When are sunrise and sunset in December in Swindon?
How many hours of sunshine does Swindon have in December?
What is the month with the lowest UV index in Swindon?
What is the UV index intensity in December in Swindon?
Average temperature in December
Swindon, United Kingdom
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Swindon, United Kingdom
- Average pressure in December: 1014.2mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in December
Swindon, United Kingdom
- Average wind speed in December: 18km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in December
Swindon, United Kingdom
- Average humidity in December: 91%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in December
Swindon, United Kingdom
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in December
Swindon, United Kingdom
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in December
Swindon, United Kingdom
- Average snowfall in December: 9mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Swindon, United Kingdom
- Average snowfall days in December: 1.6 days
The month with the highest number of snowfall days is February (3.7 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
Swindon, 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: 3h and 5min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 36min).
Average sunshine days in December
Swindon, United Kingdom
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is December (16.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in December
Swindon, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Swindon, United Kingdom
- Average cloud cover in December: 62
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in December
Swindon, United Kingdom
- Average visibility in December: 8km
The months with the highest visibility are February, March and July (9km).
The months with the lowest visibility are January, April, May, June, August, September, October, November and December (8km).
Swindon, United Kingdom
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