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
Cottleville observes a minor decrease in the average high-temperature with the arrival of December, falling from November's fresh 53.2°F (11.8°C) to an icy 41.9°F (5.5°C). December witnesses an average nighttime temperature of 30°F (-1.1°C) in Cottleville.Humidity
In Cottleville, the average relative humidity in December is 76%.Rainfall
In Cottleville, during December, the rain falls for 7.4 days and regularly aggregates up to 1.26" (32mm) of precipitation. In Cottleville, Missouri, during the entire year, the rain falls for 133.4 days and collects up to 20.98" (533mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Cottleville, in December, snow falls for 4.1 days, with typically accumulated 1.34" (34mm) of snow. In Cottleville, during the entire year, snow falls for 19.4 days and aggregates up to 4.92" (125mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:41 pm. On the last day of December, in Cottleville, sunrise is at 7:20 am and sunset at 4:51 pm CST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index in Cottleville 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 unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns 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 midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Cottleville in December?
What is the average humidity in December in Cottleville?
How much does it rain in Cottleville in December?
How many days does it snow in December in Cottleville?
What is the month with the shortest days in Cottleville?
What is the average length of the day in December in Cottleville?
What time are sunrise and sunset in December in Cottleville?
How many hours of sunshine does Cottleville have in December?
What are the months with the lowest UV index in Cottleville?
What is the UV index intensity in December in Cottleville?
Average temperature in December
Cottleville, MO
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Cottleville, 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
Cottleville, MO
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Cottleville, MO
- Average humidity in December: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Cottleville, MO
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in December
Cottleville, MO
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in December
Cottleville, MO
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (1.65").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cottleville, MO
- Average snowfall days in December: 4.1 days
The months with the highest number of snowfall days are January and February (5.8 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
Cottleville, 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 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Cottleville, MO
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (12.7 days).
Average UV index in December
Cottleville, MO
- Average UV index in December: 2
The months with the highest UV index are May, 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
Cottleville, MO
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Cottleville, 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).
Cottleville, Missouri, USA
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