December weather forecastGrand Saline, TX
December
Weather in December
December, the first month of the winter in Grand Saline, is still a refreshing month, with an average temperature fluctuating between 40.8°F (4.9°C) and 55.6°F (13.1°C).Temperature
December's onset introduces a mild reduction in the average high-temperature, from a comfortable 63.7°F (17.6°C) in November to a moderate 55.6°F (13.1°C). Grand Saline, during the month of December, experiences an average low-temperature of 40.8°F (4.9°C).Humidity
In Grand Saline, the average relative humidity in December is 76%.Rainfall
In December, the rain falls for 10.7 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 146.6 rainfall days, and 30.83" (783mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Grand Saline, during the entire year, snow falls for 2.6 days and aggregates up to 1.34" (34mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 7:07 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:27 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 during December translates into the following guidance:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Always opt for UVA and UVB-resistant sunglasses on radiant days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grand Saline, TX
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in December: 40.8°F
The months with the highest average low temperature are July and August (73.4°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
Grand Saline, 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 (29.92"Hg).
Average wind speed in December
Grand Saline, TX
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.8mph).
Average humidity in December
Grand Saline, TX
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (64%).
Average rainfall in December
Grand Saline, TX
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is October (4.13").
The driest month (with the least rainfall) is January (1.65").
Average rainfall days in December
Grand Saline, TX
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is September (14.6 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Grand Saline, TX
- Average snowfall in December: 0.16"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Grand Saline, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.4 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
Grand Saline, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Grand Saline, TX
- Average sunshine days in December: 19 days
The month with the most sunshine days is January (21.7 days).
The month with the least sunshine days is September (13.9 days).
Average UV index in December
Grand Saline, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Grand Saline, TX
- Average cloud cover in December: 42
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in December
Grand Saline, 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).
