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
Setting in of December comes with a decrease in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in November to a chilly 44.1°F (6.7°C). December's average low-temperature reading in Macomb, Missouri, settles at a subzero cold 30°F (-1.1°C).Humidity
In December, the average relative humidity is 76%.Rainfall
In Macomb, in December, it is raining for 5.6 days, with typically 0.67" (17mm) of accumulated precipitation. Throughout the year, there are 109.6 rainfall days, and 11.93" (303mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Macomb, during December, snow falls for 2.7 days and regularly aggregates up to 0.43" (11mm) of snow. In Macomb, during the entire year, snow falls for 13.2 days and aggregates up to 2.13" (54mm) of snow.Daylight
December has the shortest days of the year in Macomb, Missouri, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 7:05 am and sunset at 4:53 pm. On the last day of December, sunrise is at 7:23 am and sunset at 5:03 pm CST.
Sunshine
The average sunshine in December is 5.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Macomb have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Macomb have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Macomb, MO
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (41.2°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in December
Macomb, MO
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Macomb, MO
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Macomb, MO
- Average humidity in December: 76%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Macomb, MO
- Average rainfall in December: 0.67"
The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is February (0.59").
Average rainfall days in December
Macomb, MO
- Average rainfall days in December: 5.6 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Macomb, MO
- Average snowfall in December: 0.43"
The months with the highest snowfall are January and February (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Macomb, MO
- Average snowfall days in December: 2.7 days
The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Macomb, MO
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in December
Macomb, MO
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is May (14.1 days).
Average UV index in December
Macomb, MO
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Macomb, MO
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 30).
Average visibility in December
Macomb, MO
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Macomb, Missouri, USA
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