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 average high-temperature slightly decreases in December, shifting from a refreshing 57.4°F (14.1°C) in November to a cool 50°F (10°C). In the month of December, Belfast experiences an average low-temperature of 36.5°F (2.5°C).Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Belfast, in December, during 13 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. Throughout the year, in Belfast, there are 173.6 rainfall days, and 39.65" (1007mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Belfast. In Belfast, during December, snow falls for 1.2 days and regularly aggregates up to 0.35" (9mm) of snow. In Belfast, during the entire year, snow falls for 7.2 days and aggregates up to 2.28" (58mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December in Belfast, Tennessee, sunrise is at 6:38 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:44 pm CST.
Sunshine
The average sunshine in December is 4.6h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Belfast, Tennessee. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 suggests this advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Belfast in December?
What is the most humid month in Belfast?
What is the average humidity in December in Belfast?
How many days does it rain in December in Belfast?
How much does it snow in Belfast in December?
What is the month with the shortest days in Belfast?
How many hours of daylight does Belfast have in December?
What time are sunrise and sunset in December in Belfast?
How many hours of sunshine does Belfast have in December?
What is the month with the lowest UV index in Belfast?
What is the UV index intensity in December in Belfast?
Average temperature in December
Belfast, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.7°F).
- Average low temperature in December: 36.5°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Belfast, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Belfast, TN
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Belfast, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Belfast, TN
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is February (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Belfast, TN
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Belfast, TN
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Belfast, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Belfast, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
Belfast, TN
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Belfast, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Belfast, TN
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in December
Belfast, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Belfast, Tennessee, USA
Weather forecast for your location
2. Allow the app to use your location