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 shift in Heflin's weather is observed as November turns into December, with the average high temperature reducing from a fresh 55°F (12.8°C) to a chilly 45.7°F (7.6°C). During the month of December, the temperature falls to an average of 33.8°F (1°C).Humidity
The average relative humidity in December is 79%.Rainfall
In Heflin, in December, during 12.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Heflin, during the entire year, the rain falls for 151.8 days and collects up to 25.12" (638mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Heflin. In Heflin, Kentucky, during December, snow falls for 3.5 days and regularly aggregates up to 0.47" (12mm) of snow. In Heflin, during the entire year, snow falls for 18.9 days and aggregates up to 5.08" (129mm) of snow.Daylight
December has the shortest days of the year in Heflin, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 4:30 pm. On the last day of December, in Heflin, sunrise is at 7:02 am and sunset at 4:40 pm CST.
Sunshine
In December, the average sunshine is 4.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Always opt for UVA and UVB-resistant sunglasses on radiant days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Heflin in December?
What is the average humidity in December in Heflin?
How many days does it rain in December in Heflin?
How much does it snow in Heflin in December?
What is the month with the shortest days in Heflin?
What is the average length of the day in December in Heflin?
What time are sunrise and sunset in December in Heflin?
How many hours of sunshine does Heflin have in December?
What are the months with the lowest UV index in Heflin?
What is the UV index intensity in December in Heflin?
Average temperature in December
Heflin, KY
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 33.8°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).
Average pressure in December
Heflin, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Heflin, KY
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Heflin, KY
- Average humidity in December: 79%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Heflin, KY
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are February and April (2.68").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Heflin, KY
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Heflin, KY
- Average snowfall in December: 0.47"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Heflin, KY
- Average snowfall days in December: 3.5 days
The month with the highest number of snowfall days is February (5.5 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
Heflin, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Heflin, KY
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (12 days).
Average UV index in December
Heflin, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Heflin, KY
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Heflin, KY
- 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).
Heflin, Kentucky, USA
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