December weather forecastHighland Park, TX
December
Weather in December
December, the first month of the winter in Highland Park, is still a mild month, with an average temperature varying between 41.7°F (5.4°C) and 55.6°F (13.1°C).Temperature
The arrival of December corresponds with a temperature reduction, down from November's comfortable 64.6°F (18.1°C) to a moderate 55.6°F (13.1°C). An average low-temperature of 41.7°F (5.4°C) is recorded in the month of December.Humidity
In December, the average relative humidity is 68%.Rainfall
In Highland Park, in December, it is raining for 8.8 days, with typically 1.89" (48mm) of accumulated precipitation. In Highland Park, during the entire year, the rain falls for 141.2 days and collects up to 30.12" (765mm) of precipitation.Snowfall
Months with snowfall are January, February, November and December. In Highland Park, in December, snow falls for 0.4 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, there are 2.2 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:31 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h 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 estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Highland Park, TX
- Average high temperature in December: 55.6°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 (54.3°F).
- Average low temperature in December: 41.7°F
The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in December
Highland Park, 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
Highland Park, TX
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in December
Highland Park, TX
- Average humidity in December: 68%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).
Average rainfall in December
Highland Park, TX
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is February (1.61").
Average rainfall days in December
Highland Park, TX
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Highland Park, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Highland Park, 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 March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Highland Park, 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 36min
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 36min).
Average sunshine days in December
Highland Park, TX
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in December
Highland Park, 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
Highland Park, TX
- Average cloud cover in December: 37
The months with the most cloud cover are February and March (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Highland Park, 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).





