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
A subtle shift in Collierville's weather is observed as November turns into December, with the average high temperature reducing from a refreshing 58.8°F (14.9°C) to a fresh 50.9°F (10.5°C). In December, Collierville reports a consistent average low-temperature of 37.8°F (3.2°C) during the nights.Humidity
In December, the average relative humidity in Collierville is 79%.Rainfall
In Collierville, in December, it is raining for 11.6 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, there are 153.4 rainfall days, and 31.34" (796mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Collierville, in December, snow falls for 1.3 days, with typically accumulated 0.24" (6mm) of snow. Throughout the year, in Collierville, there are 6.8 snowfall days, and 1.93" (49mm) of snow is accumulated.Daylight
The month with the shortest days in Collierville is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:48 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:57 pm CST.
Sunshine
In Collierville, the average sunshine in December is 4.9h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Collierville. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Around midday, solar radiation is most harmful; hence, exposure should be limited. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Collierville in December?
What is the average humidity in December in Collierville?
How much does it rain in Collierville in December?
How much does it snow in Collierville in December?
What is the month with the shortest days in Collierville?
What is the average length of the day in December in Collierville?
When is the sunrise / sunset in December in Collierville?
How many hours of sunshine does Collierville have in December?
When is the lowest UV index in Collierville?
What is the UV index intensity in December in Collierville?
Average temperature in December
Collierville, TN
- Average high temperature in December: 50.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Collierville, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Collierville, TN
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Collierville, TN
- Average humidity in December: 79%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Collierville, TN
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in December
Collierville, TN
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Collierville, TN
- Average snowfall in December: 0.24"
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Collierville, TN
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Collierville, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Collierville, TN
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (11.7 days).
Average UV index in December
Collierville, TN
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Collierville, TN
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in December
Collierville, TN
- 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).
Collierville, Tennessee, USA
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