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 in Jefferson City is marked by a decrease in temperature, transitioning from a fresh 53.8°F (12.1°C) in November to a frosty 42.8°F (6°C). Jefferson City encounters an average low-temperature of 29.1°F (-1.6°C) during December nights.Humidity
The average relative humidity in December in Jefferson City is 76%.Rainfall
In Jefferson City, Missouri, during December, the rain falls for 4.6 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Jefferson City, during the entire year, the rain falls for 93.7 days and collects up to 9.29" (236mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Jefferson City, during December, snow falls for 2.8 days and regularly aggregates up to 0.43" (11mm) of snow. In Jefferson City, during the entire year, snow falls for 14.9 days and aggregates up to 2.13" (54mm) of snow.Daylight
The month with the shortest days in Jefferson City, Missouri, is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:08 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:57 pm CST.
Sunshine
In December, the average sunshine is 5.1h.UV index
The months with the lowest UV index in Jefferson City are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
Is December cold in Jefferson City?
What is the average humidity in December in Jefferson City?
How many days does it rain in December in Jefferson City?
How much does it snow in Jefferson City in December?
What is the month with the shortest days in Jefferson City?
How many hours of daylight does Jefferson City have in December?
When are sunrise and sunset in December in Jefferson City?
How long on average sun shines in December in Jefferson City?
When is the lowest UV index in Jefferson City?
What is the UV index reading in December in Jefferson City?
Average temperature in December
Jefferson City, MO
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Jefferson City, 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 (29.92"Hg).
Average wind speed in December
Jefferson City, MO
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Jefferson City, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Jefferson City, MO
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is May (1.3").
The driest month (with the least rainfall) is November (0.47").
Average rainfall days in December
Jefferson City, MO
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in December
Jefferson City, MO
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Jefferson City, MO
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Jefferson City, MO
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Jefferson City, MO
- Average sunshine days in December: 23.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is May (16.7 days).
Average UV index in December
Jefferson City, 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
Jefferson City, MO
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Jefferson City, 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).
Jefferson City, Missouri, USA
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