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
Onset of December comes with a temperature decline, the average high falling from a cool 53.4°F (11.9°C) in November to a chilly 42.8°F (6°C). During the month of December, the nighttime temperature falls to an average of 29.3°F (-1.5°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In December, in Mount Sterling, the rain falls for 7.4 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Mount Sterling, Missouri, during the entire year, the rain falls for 146.3 days and collects up to 31.18" (792mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Mount Sterling, during December, snow falls for 5.1 days and regularly aggregates up to 2.28" (58mm) of snow. In Mount Sterling, during the entire year, snow falls for 26.1 days and aggregates up to 11.46" (291mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:55 pm CST.
Sunshine
In Mount Sterling, the average sunshine in December is 4.9h.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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 2 in December transforms into this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it 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 in Mount Sterling?
How many hours of daylight does Mount Sterling have in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Mount Sterling, 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 (38.8°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Mount Sterling, 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
Mount Sterling, MO
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Mount Sterling, MO
- Average humidity in December: 76%
The months with the highest relative humidity are March and May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Mount Sterling, MO
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Mount Sterling, MO
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is December (7.4 days).
Average snowfall in December
Mount Sterling, MO
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mount Sterling, MO
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (8.3 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
Mount Sterling, 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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in December
Mount Sterling, MO
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in December
Mount Sterling, 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
Mount Sterling, MO
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in December
Mount Sterling, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Mount Sterling, Missouri, USA
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