December weather forecastLeon Valley, TX
December
Weather in December
December, the first month of the winter in Leon Valley, is still a refreshing month, with an average temperature varying between 46.2°F (7.9°C) and 61.7°F (16.5°C).Temperature
The onset of December is marked by a minor decrease in temperature, transitioning from an agreeable 69.1°F (20.6°C) in November to a refreshing 61.7°F (16.5°C). December's nights in Leon Valley observe an average temperature of 46.2°F (7.9°C).Humidity
In December, the average relative humidity in Leon Valley is 69%.Rainfall
In December, the rain falls for 8.5 days. Throughout December, 0.98" (25mm) of precipitation is accumulated. In Leon Valley, during the entire year, the rain falls for 136.6 days and collects up to 22.72" (577mm) of precipitation.Snowfall
March through December are months without snowfall in Leon Valley, Texas.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 5:35 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:46 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Leon Valley, TX
- Average high temperature in December: 61.7°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 (61.3°F).
- Average low temperature in December: 46.2°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Leon Valley, 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 (29.89"Hg).
Average wind speed in December
Leon Valley, TX
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is May (8.9mph).
The calmest month (with the lowest average wind speed) is September (6.5mph).
Average humidity in December
Leon Valley, TX
- Average humidity in December: 69%
The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Leon Valley, TX
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Leon Valley, TX
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is September (16.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
Leon Valley, TX
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Leon Valley, TX
- Average snowfall days in December: 0.1 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 November (0 days).
Average daylight in December /
Average sunshine in December
Leon Valley, TX
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Leon Valley, TX
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is January (22 days).
The month with the least sunshine days is September (11.9 days).
Average UV index in December
Leon Valley, 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
Leon Valley, TX
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in December
Leon Valley, 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).
