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
December's onset introduces a mild reduction in the average high-temperature, from a comfortable 67.5°F (19.7°C) in November to a still refreshing 59.9°F (15.5°C). During the nights in December, Bryan experiences a consistent average temperature of 44.6°F (7°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Bryan, Texas, in December, during 9 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. Throughout the year, there are 138.2 rainfall days, and 20.12" (511mm) of precipitation is accumulated.Snowfall
In Bryan, snow does not fall in February through December.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 5:23 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:34 pm CST.
Sunshine
The month with the least sunshine in Bryan is December, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 during December translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What are December temperatures in Bryan?
What is the average humidity in December in Bryan?
How much does it rain in Bryan in December?
When it does not snow in Bryan?
Does it snow in Bryan in December?
What is the month with the shortest days in Bryan?
How many hours of daylight does Bryan have in December?
What time are sunrise and sunset in December in Bryan?
What is the month with the least sunshine in Bryan?
How long on average sun shines in December in Bryan?
What is the month with the lowest UV index in Bryan?
What is the UV index reading in December in Bryan?
Average temperature in December
Bryan, TX
- Average high temperature in December: 59.9°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 (58.1°F).
- Average low temperature in December: 44.6°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in December
Bryan, TX
- Average pressure in December: 30.12"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
Bryan, TX
- Average wind speed in December: 7.7mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is September (5.7mph).
Average humidity in December
Bryan, TX
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Bryan, TX
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (2.95").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Bryan, TX
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is September (14.7 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Bryan, TX
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Bryan, TX
- Average snowfall days in December: 0.2 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
Bryan, TX
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Bryan, TX
- Average sunshine days in December: 19 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is September (12.7 days).
Average UV index in December
Bryan, 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
Bryan, TX
- Average cloud cover in December: 45
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Bryan, TX
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Bryan, Texas, USA
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