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
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a comfortable 63.9°F (17.7°C) to a still refreshing 55.4°F (13°C). Throughout December nights, Terrell experiences a consistent temperature average of 41.5°F (5.3°C).Humidity
In December, the average relative humidity is 73%.Rainfall
In December, the rain falls for 5.7 days. Throughout December, 0.63" (16mm) of precipitation is accumulated. In Terrell, during the entire year, the rain falls for 88.2 days and collects up to 8.43" (214mm) of precipitation.Snowfall
In Terrell, snow does not fall in January, March through December.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 7:09 am and sunset at 5:18 pm. On the last day of December, sunrise is at 7:27 am and sunset at 5:29 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Make use of precautions - It is urged to ward off sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
What is the month with the shortest days?
How many hours of daylight does Terrell have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Terrell have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Terrell, TX
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 41.5°F
The month with the highest average low temperature is July (74.7°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
Terrell, TX
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Terrell, TX
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in December
Terrell, TX
- Average humidity in December: 73%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Terrell, TX
- Average rainfall in December: 0.63"
The wettest month (with the highest rainfall) is October (1.38").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Terrell, TX
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is September (9.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in December
Terrell, TX
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Terrell, TX
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Terrell, TX
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Terrell, TX
- Average sunshine days in December: 22.1 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is September (17.1 days).
Average UV index in December
Terrell, TX
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Terrell, TX
- Average cloud cover in December: 40
The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in December
Terrell, 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).
Terrell, Texas, USA
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