December weather forecastMcGhee, TN
December
Weather in December
December, the first month of the winter in McGhee, is still a chilly month, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 49.5°F (9.7°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's mild 57.2°F (14°C) to a frosty 49.5°F (9.7°C). In December, McGhee records an average nighttime temperature of 35.4°F (1.9°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In McGhee, Tennessee, in December, during 13.6 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, there are 171.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
Months with snowfall in McGhee are January through April, November and December. In McGhee, in December, during 2.5 snowfall days, 0.39" (10mm) of snow is typically accumulated. In McGhee, during the entire year, snow falls for 15 days and aggregates up to 2.52" (64mm) of snow.Daylight
December has the shortest days of the year in McGhee, Tennessee, with an average of 9h and 48min of daylight.On the first day of December, sunrise is at 7:28 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:34 pm EST.
Sunshine
In McGhee, the average sunshine in December is 5.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in McGhee. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McGhee, TN
- Average high temperature in December: 49.5°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°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30°F).
Average pressure in December
McGhee, TN
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
McGhee, TN
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
McGhee, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
McGhee, TN
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
McGhee, TN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
McGhee, TN
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
McGhee, TN
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.7 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
McGhee, 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: 5h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
McGhee, TN
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
McGhee, 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, February and December (UV index 2).
Average cloud cover in December
McGhee, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
McGhee, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
