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
With December's onset, the weather reveals a slight temperature decrease, transitioning from a pleasant 70.3°F (21.3°C) in November to a comfortable 63°F (17.2°C). Throughout December, Deco encounters an average temperature drop to a frosty 48.6°F (9.2°C).Humidity
The average relative humidity in December is 76%.Rainfall
In Deco, during December, the rain falls for 9.4 days and regularly aggregates up to 1.34" (34mm) of precipitation. In Deco, during the entire year, the rain falls for 159.4 days and collects up to 23.11" (587mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Deco, during the entire year, snow falls for 0.6 days and aggregates up to 0.2" (5mm) of snow.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 7:00 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:33 pm CST.
Sunshine
December has the least sunshine of the year in Deco, with an average of 4.8h of sunshine.UV index
The month with the lowest UV index in Deco is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: During December, 3 as the daily maximum UV index converts into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Deco have in December?
When are sunrise and 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 intensity in December?
Average temperature in December
Deco, TX
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (61°F).
- Average low temperature in December: 48.6°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in December
Deco, TX
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Deco, TX
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is April (8.2mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Deco, TX
- Average humidity in December: 76%
The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Deco, TX
- Average rainfall in December: 1.34"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in December
Deco, TX
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is September (18.9 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Deco, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Deco, TX
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Deco, 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: 4h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Deco, TX
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is January (19.4 days).
The month with the least sunshine days is September (9.1 days).
Average UV index in December
Deco, TX
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Deco, TX
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Deco, 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).
Deco, Texas, USA
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