December weather forecastWhitney, TX
December
Weather in December
December, the first month of the winter in Whitney, is still a refreshing month, with an average temperature ranging between min 42.1°F (5.6°C) and max 56.8°F (13.8°C).Temperature
The arrival of December signals a subtle shift in temperature, down from 65.5°F (18.6°C) in November to a still refreshing 56.8°F (13.8°C). During the month of December, Whitney anticipates a mean low-temperature of 42.1°F (5.6°C).Humidity
The average relative humidity in December in Whitney is 70%.Rainfall
In Whitney, during December, the rain falls for 10 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Whitney, during the entire year, the rain falls for 136 days and collects up to 29.25" (743mm) of precipitation.Snowfall
Months with snowfall are February, March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Whitney, there are 2.3 snowfall days, and 0.63" (16mm) of snow is accumulated.Daylight
December has the shortest days of the year in Whitney, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 5:24 pm. On the last day of December, in Whitney, Texas, sunrise is at 7:29 am and sunset at 5:35 pm CST.
Sunshine
With an average of 5.4h 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 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Whitney, TX
- Average high temperature in December: 56.8°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is August (75.9°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in December
Whitney, 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 (29.91"Hg).
Average wind speed in December
Whitney, TX
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is September (6.9mph).
Average humidity in December
Whitney, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Whitney, TX
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in December
Whitney, TX
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Whitney, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.47").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Whitney, TX
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1.3 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
Whitney, 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 24min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Whitney, TX
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is September (13.1 days).
Average UV index in December
Whitney, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Whitney, TX
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in December
Whitney, 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).





