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
December implies a gentle temperature shift, with average high-temperatures reducing from November's refreshing 57.4°F (14.1°C) to a frosty 48.2°F (9°C). During December, Heloise experiences a consistent low-temperature average of 36.7°F (2.6°C).Humidity
In Heloise, the average relative humidity in December is 77%.Rainfall
In Heloise, in December, it is raining for 11.5 days, with typically 3.5" (89mm) of accumulated precipitation. In Heloise, during the entire year, the rain falls for 162.4 days and collects up to 39.69" (1008mm) of precipitation.Snowfall
Months with snowfall are January through March, October through December. In Heloise, in December, snow falls for 1.3 days, with typically accumulated 0.59" (15mm) of snow. Throughout the year, there are 7.3 snowfall days, and 4.8" (122mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 6:51 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:54 pm CST.
Sunshine
In Heloise, the average sunshine in December is 5h.UV index
December is the month with the lowest UV index in Heloise, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December leads to these advisories:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Opt for tightly woven and loose clothing to enhance protection from the Sun. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Heloise?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Heloise, TN
- Average high temperature in December: 48.2°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in December
Heloise, 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 (29.94"Hg).
Average wind speed in December
Heloise, TN
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Heloise, TN
- Average humidity in December: 77%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Heloise, TN
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is March (4.29").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Heloise, TN
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Heloise, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Heloise, TN
- Average snowfall days in December: 1.3 days
The month with the highest number of snowfall days is February (2.2 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
Heloise, TN
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Heloise, TN
- Average sunshine days in December: 17.5 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Heloise, TN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Heloise, TN
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in December
Heloise, 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).
Heloise, Tennessee, USA
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