December weather forecastGarland, TX
December
Weather in December
December in Garland, Texas registers the year's lowest high temperature averaging at 55.2°F (12.9°C). Prime winter conditions are evidenced by the relatively high humidity. Cloud cover percentage is at its peak during December, with clouds appearing 38% of the time. Comparable to November, however, snowfall continues to remain an infrequent phenomenon. As the year concludes, the city envelops into a cooler wrap offering a pleasant atmosphere for winter festivity preparations.Temperature
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a comfortable 64°F (17.8°C) in November to a fresh 55.2°F (12.9°C). During the month of December, Garland anticipates a mean low-temperature of 41.5°F (5.3°C).Humidity
In December, the average relative humidity is 70%.Rainfall
In December, the rain falls for 7.2 days. Throughout December, 0.87" (22mm) of precipitation is accumulated. Throughout the year, there are 122 rainfall days, and 17.48" (444mm) of precipitation is accumulated.Snowfall
In Garland, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 5:19 pm. On the last day of December, in Garland, sunrise is at 7:29 am and sunset at 5:30 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are January and 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 UV index of 3 in December transforms into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Garland, TX
- Average high temperature in December: 55.2°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 (54.1°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is July (76.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Garland, 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 (29.91"Hg).
Average wind speed in December
Garland, TX
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are March and April (9.8mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in December
Garland, 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 (57%).
Average rainfall in December
Garland, TX
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is May (2.32").
The driest months (with the least rainfall) are February and November (0.71").
Average rainfall days in December
Garland, TX
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is September (13.8 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in December
Garland, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Garland, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Garland, 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 30min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Garland, TX
- Average sunshine days in December: 22.4 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is September (13.8 days).
Average UV index in December
Garland, 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
Garland, TX
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Garland, 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).
