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
In the transition to December, Princeton observes a minor drop in the average high-temperature, shifting from a comfortable 64.2°F (17.9°C) in November to a mild 56.3°F (13.5°C). During December, the temperature is averaged to a low of 41.9°F (5.5°C) at night.Humidity
In December, the average relative humidity is 80%.Rainfall
In Princeton, during December, the rain falls for 12.3 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 149.4 rainfall days, and 36.34" (923mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Princeton, in December, snow falls for 0.4 days, with typically accumulated 0.04" (1mm) of snow. Throughout the year, there are 2.7 snowfall days, and 1.02" (26mm) of snow is accumulated.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:58 am and sunset at 5:08 pm. On the last day of December, sunrise is at 7:15 am and sunset at 5:18 pm CST.
Sunshine
February and December, with an average of 5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Around midday, solar radiation is most harmful; hence, exposure should be limited. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. 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?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days in Princeton?
How many hours of daylight does Princeton have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Princeton, LA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is August (95.4°F).
The month with the lowest average high temperature is January (54°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).
Average pressure in December
Princeton, LA
- 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 (29.93"Hg).
Average wind speed in December
Princeton, LA
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).
Average humidity in December
Princeton, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Princeton, LA
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in December
Princeton, LA
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is March (14.7 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in December
Princeton, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Princeton, LA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is February (1 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, LA
- Average daylight in December: 10h and 1min
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 6min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Princeton, LA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in December
Princeton, LA
- 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
Princeton, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Princeton, LA
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Princeton, Louisiana, USA
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