December weather forecastDel Valle, TX
December
Weather in December
December, the first month of the winter in Del Valle, is also a moderate month, with an average temperature fluctuating between 45.1°F (7.3°C) and 60.3°F (15.7°C).Temperature
A mild drop in Del Valle's average high-temperature is observed in December, transitioning from an enjoyable 67.6°F (19.8°C) in November to a still refreshing 60.3°F (15.7°C). During December, Del Valle's temperature falls to a steady low-temperature average of 45.1°F (7.3°C).Humidity
In Del Valle, the average relative humidity in December is 70%.Rainfall
In Del Valle, during December, the rain falls for 9.7 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Del Valle, Texas, during the entire year, the rain falls for 142.7 days and collects up to 21.5" (546mm) of precipitation.Snowfall
March through October and December are months without snowfall in Del Valle.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:09 am and sunset at 5:29 pm. On the last day of December, in Del Valle, sunrise is at 7:26 am and sunset at 5:41 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.3h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in December transforms into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Del Valle, TX
- Average high temperature in December: 60.3°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in December: 45.1°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in December
Del Valle, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Del Valle, TX
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in December
Del Valle, TX
- Average humidity in December: 70%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Del Valle, TX
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Del Valle, TX
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).
Average snowfall days in December
Del Valle, TX
- Average snowfall days in December: 0 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Del Valle, TX
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Del Valle, TX
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in December
Del Valle, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Del Valle, TX
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Del Valle, 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).





