December weather forecastHaley, TN
December
Weather in December
The first month of the winter, December, is still a cool month in Haley, Tennessee, with an average temperature varying between 36.3°F (2.4°C) and 50°F (10°C).Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a mild 57.6°F (14.2°C) in November to a cool 50°F (10°C). Haley, during the month of December, experiences an average low-temperature of 36.3°F (2.4°C).Humidity
With an average relative humidity of 80%, December is the most humid month in Haley.Rainfall
In December, in Haley, Tennessee, the rain falls for 12.1 days. Throughout December, 3.35" (85mm) of precipitation is accumulated. In Haley, Tennessee, during the entire year, the rain falls for 167.2 days and collects up to 38.78" (985mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Haley. In Haley, during December, snow falls for 2 days and regularly aggregates up to 0.55" (14mm) of snow. In Haley, during the entire year, snow falls for 10.7 days and aggregates up to 2.83" (72mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of December in Haley, sunrise is at 6:36 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:42 pm CST.
Sunshine
In December, the average sunshine is 4.6h.UV index
The months with the lowest UV index in Haley are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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
Average temperature in December
Haley, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Haley, 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
Haley, TN
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Haley, 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
Haley, TN
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Haley, TN
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in December
Haley, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Haley, TN
- Average snowfall days in December: 2 days
The month with the highest number of snowfall days is January (3.1 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
Haley, TN
- Average daylight in December: 9h and 48min
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 36min
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 18min).
Average sunshine days in December
Haley, TN
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Haley, TN
- 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 and December (UV index 2).
Average cloud cover in December
Haley, TN
- Average cloud cover in December: 52
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Haley, 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).
