December weather forecastSlater, TX
December
Weather in December
December, the first month of the winter in Slater, is still a refreshing month, with an average temperature fluctuating between 42.4°F (5.8°C) and 57.7°F (14.3°C).Temperature
In December, the average high-temperature marginally drops from an enjoyable 65.8°F (18.8°C) in November to a mild 57.7°F (14.3°C). Slater records an average low-temperature of 42.4°F (5.8°C) throughout the month of December.Humidity
The average relative humidity in December is 69%.Rainfall
In Slater, in December, it is raining for 9.1 days, with typically 1.61" (41mm) of accumulated precipitation. Throughout the year, there are 129.1 rainfall days, and 25.71" (653mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 0.04" (1mm) of snow. In Slater, during the entire year, snow falls for 2.1 days and aggregates up to 0.51" (13mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:39 pm CST.
Sunshine
With an average of 5.5h 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 estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Slater, TX
- Average high temperature in December: 57.7°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 (57°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 (40.6°F).
Average pressure in December
Slater, 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
Slater, TX
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (11mph).
The calmest month (with the lowest average wind speed) is September (7.3mph).
Average humidity in December
Slater, TX
- Average humidity in December: 69%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is August (56%).
Average rainfall in December
Slater, TX
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is October (3.86").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in December
Slater, TX
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Slater, TX
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Slater, TX
- Average snowfall days in December: 0.4 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Slater, 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 30min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Slater, TX
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in December
Slater, 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
Slater, TX
- Average cloud cover in December: 38
The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Slater, 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).





