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 the onset of December, Princeton's average high-temperature adjusts, receding from November's enjoyable 63.5°F (17.5°C) to a fresh 54.5°F (12.5°C). Princeton throughout December, experiences an average nighttime temperature of 40.3°F (4.6°C).Humidity
The average relative humidity in December in Princeton is 71%.Rainfall
In Princeton, in December, during 9.4 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. Throughout the year, there are 144.7 rainfall days, and 33.54" (852mm) of precipitation is accumulated.Snowfall
Months with snowfall in Princeton are January, February, November and December. In December, in Princeton, Texas, it is snowing for 0.3 days. Throughout December, 0.08" (2mm) of snow is accumulated. In Princeton, Texas, during the entire year, snow falls for 3.1 days and aggregates up to 1.1" (28mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December in Princeton, sunrise is at 7:11 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:29 pm CST.
Sunshine
With an average of 5.6h of sunshine, December has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Princeton. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Princeton?
What is the average humidity in December in Princeton?
How much does it rain in Princeton in December?
How much does it snow in Princeton in December?
What is the month with the shortest days in Princeton?
What is the average length of the day in December in Princeton?
When is the sunrise / sunset in December in Princeton?
What is the month with the least sunshine in Princeton?
How many hours of sunshine does Princeton have in December?
What are the months with the lowest UV index in Princeton?
What is the UV index reading in December in Princeton?
Average temperature in December
Princeton, TX
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Princeton, 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
Princeton, TX
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in December
Princeton, TX
- Average humidity in December: 71%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (59%).
Average rainfall in December
Princeton, TX
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in December
Princeton, TX
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in December
Princeton, TX
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Princeton, TX
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Princeton, 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 4min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Princeton, TX
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in December
Princeton, 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, November and December (UV index 3).
Average cloud cover in December
Princeton, TX
- Average cloud cover in December: 38
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Princeton, 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).
Princeton, Texas, USA
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