December weather forecastDilley, TX
December
Weather in December
December, the first month of the winter in Dilley, is also an enjoyable month, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 48.6°F (9.2°C).Temperature
A mild drop in Dilley's average high-temperature is observed in December, transitioning from an agreeable 72.3°F (22.4°C) in November to a refreshing 64.9°F (18.3°C). During the nights in December, the temperature averages to a frosty 48.6°F (9.2°C).Humidity
The most humid month is December, with an average relative humidity of 67%.Rainfall
In December, the rain falls for 7.2 days. Throughout December, 0.55" (14mm) of precipitation is accumulated. In Dilley, during the entire year, the rain falls for 108.4 days and collects up to 12.48" (317mm) of precipitation.Snowfall
February through October and December are months without snowfall in Dilley.Daylight
The month with the shortest days is December, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 5:39 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:50 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.6h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dilley, TX
- Average high temperature in December: 64.9°F
The warmest month (with the highest average high temperature) is August (99°F).
The month with the lowest average high temperature is January (64.2°F).
- Average low temperature in December: 48.6°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in December
Dilley, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in December
Dilley, TX
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is May (10.5mph).
The calmest month (with the lowest average wind speed) is December (7.3mph).
Average humidity in December
Dilley, TX
- Average humidity in December: 67%
The month with the highest relative humidity is December (67%).
The month with the lowest relative humidity is August (53%).
Average rainfall in December
Dilley, TX
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in December
Dilley, TX
- Average rainfall days in December: 7.2 days
The month with the highest number of rainy days is September (14.7 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in December
Dilley, TX
- Average snowfall in December: 0"
The months with the highest snowfall are January and November (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Dilley, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 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
Dilley, TX
- Average daylight in December: 10h and 24min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Dilley, TX
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is September (14.2 days).
Average UV index in December
Dilley, TX
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Dilley, TX
- Average cloud cover in December: 37
The months with the most cloud cover are March and May (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in December
Dilley, 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).
