December weather forecastDawson, TX
December
Weather in December
December, the first month of the winter in Dawson, is also a moderate month, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 42.4°F (5.8°C).Temperature
December's arrival signals a moderate reduction in the average high-temperature, easing from a comfortable 65.3°F (18.5°C) in November to a still refreshing 56.8°F (13.8°C). Throughout the month of December, Dawson sees a steady low-temperature average of 42.4°F (5.8°C).Humidity
The average relative humidity in December is 72%.Rainfall
In Dawson, in December, it is raining for 10.3 days, with typically 2.05" (52mm) of accumulated precipitation. In Dawson, during the entire year, the rain falls for 140.8 days and collects up to 30.39" (772mm) of precipitation.Snowfall
March through December are months without snowfall in Dawson.Daylight
The month with the shortest days in Dawson is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:33 pm CST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Dawson. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be watchful! The reflection of snow can enhance the intensity of 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
Dawson, TX
- Average high temperature in December: 56.8°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in December
Dawson, TX
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Dawson, TX
- Average wind speed in December: 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 (6.7mph).
Average humidity in December
Dawson, TX
- Average humidity in December: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (58%).
Average rainfall in December
Dawson, TX
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is October (4.25").
The driest months (with the least rainfall) are July and November (1.73").
Average rainfall days in December
Dawson, TX
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
Dawson, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Dawson, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Dawson, TX
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Dawson, TX
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in December
Dawson, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Dawson, TX
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in December
Dawson, 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).





