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
The onset of December comes with a shift in the average high-temperature, falling from a chilly 49.6°F (9.8°C) in November to a cold 37°F (2.8°C). An average low-temperature of 24.3°F (-4.3°C) is noted during the nights in December.Humidity
In Princeton, the average relative humidity in December is 78%.Rainfall
In Princeton, Missouri, in December, it is raining for 5.7 days, with typically 1.06" (27mm) of accumulated precipitation. Throughout the year, there are 130.3 rainfall days, and 25.43" (646mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Princeton, Missouri, during December, snow falls for 5.2 days and regularly aggregates up to 1.34" (34mm) of snow. In Princeton, during the entire year, snow falls for 26.1 days and aggregates up to 12.52" (318mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:58 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Princeton in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Princeton have in December?
What are the months with the lowest UV index in Princeton?
How high is the UV index in December?
Average temperature in December
Princeton, MO
- Average high temperature in December: 37°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 24.3°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
Princeton, MO
- 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 (29.89"Hg).
Average wind speed in December
Princeton, MO
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Princeton, MO
- Average humidity in December: 78%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Princeton, MO
- Average rainfall in December: 1.06"
The wettest month (with the highest rainfall) is June (3.78").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in December
Princeton, MO
- Average rainfall days in December: 5.7 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in December
Princeton, MO
- Average snowfall in December: 1.34"
The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Princeton, MO
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (7.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Princeton, MO
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Princeton, MO
- Average sunshine days in December: 20.6 days
The month with the most sunshine days is November (20.7 days).
The months with the least sunshine days are May and June (11.2 days).
Average UV index in December
Princeton, MO
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Princeton, MO
- Average cloud cover in December: 45
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in December
Princeton, MO
- 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, Missouri, USA
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