Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a pleasant 70.7°F (21.5°C) in November to a comfortable 63.7°F (17.6°C). Del Rio experiences a mean temperature of 46.2°F (7.9°C) during December nights.Humidity
The average relative humidity in December is 58%.Rainfall
In Del Rio, in December, it is raining for 4.4 days, with typically 0.28" (7mm) of accumulated precipitation. Throughout the year, there are 85.2 rainfall days, and 9.61" (244mm) of precipitation is accumulated.Snowfall
In Del Rio, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 7:21 am and sunset at 5:44 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:55 pm CST.
Sunshine
November and December, with an average of 6.3h of sunshine, are months with the least 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 moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 in December translates into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Del Rio, TX
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is August (97.9°F).
The month with the lowest average high temperature is January (63.3°F).
- Average low temperature in December: 46.2°F
The month with the highest average low temperature is August (78.8°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in December
Del Rio, TX
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.88"Hg).
Average wind speed in December
Del Rio, TX
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is June (12.8mph).
The calmest month (with the lowest average wind speed) is December (8.5mph).
Average humidity in December
Del Rio, TX
- Average humidity in December: 58%
The month with the highest relative humidity is November (60%).
The month with the lowest relative humidity is August (47%).
Average rainfall in December
Del Rio, TX
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is May (2.01").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in December
Del Rio, TX
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (11.9 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Del Rio, TX
- Average snowfall in December: 0"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Del Rio, 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
Del Rio, TX
- Average daylight in December: 10h and 2min
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: 6h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are November and December (Average sunshine: 6h and 18min).
Average sunshine days in December
Del Rio, TX
- Average sunshine days in December: 25.3 days
The month with the most sunshine days is January (26.3 days).
The month with the least sunshine days is May (15.5 days).
Average UV index in December
Del Rio, TX
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Del Rio, TX
- Average cloud cover in December: 26
The months with the most cloud cover are March and May (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Del Rio, 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).
Del Rio, Texas, USA
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