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
In December, the average high-temperature decreases from a comfortable 62.2°F (16.8°C) in November to a fresh 52.9°F (11.6°C). During December, Sherman's temperature falls to a steady low-temperature average of 39°F (3.9°C).Humidity
In December, the average relative humidity in Sherman, Texas, is 71%.Rainfall
In December, the rain falls for 9 days. Throughout December, 1.81" (46mm) of precipitation is accumulated. In Sherman, during the entire year, the rain falls for 140.2 days and collects up to 31.77" (807mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Sherman. In Sherman, Texas, during December, snow falls for 0.5 days and regularly aggregates up to 0.31" (8mm) of snow. Throughout the year, there are 3.8 snowfall days, and 1.89" (48mm) of snow is accumulated.Daylight
The month with the shortest days in Sherman is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:28 pm CST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
What are December temperatures in Sherman?
What is the average humidity in December in Sherman?
How many days does it rain in December in Sherman?
How much does it snow in Sherman in December?
What is the month with the shortest days in Sherman?
How many hours of daylight does Sherman have in December?
When is the sunrise / sunset in December in Sherman?
What is the month with the least sunshine in Sherman?
How many hours of sunshine does Sherman have in December?
What is the month with the lowest UV index in Sherman?
What is the UV index reading in December in Sherman?
Average temperature in December
Sherman, TX
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is August (94.1°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (74.1°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in December
Sherman, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Sherman, TX
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).
Average humidity in December
Sherman, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (60%).
Average rainfall in December
Sherman, TX
- Average rainfall in December: 1.81"
The wettest month (with the highest rainfall) is October (4.09").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Sherman, TX
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Sherman, TX
- Average snowfall in December: 0.31"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sherman, TX
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Sherman, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Sherman, TX
- Average sunshine days in December: 20 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is April (13.9 days).
Average UV index in December
Sherman, TX
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Sherman, TX
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in December
Sherman, TX
- 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).
Sherman, Texas, USA
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