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
December's onset brings a slight change in high-temperatures, falling from a frosty 47.7°F (8.7°C) in November to a wintry 36.7°F (2.6°C). During December, the average low-temperature is recorded at a freezing cold 27.3°F (-2.6°C).Humidity
In McComb, the average relative humidity in December is 82%.Rainfall
The month with the least rainfall is December, when the rain falls for 10 days and typically collects 1.73" (44mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In McComb, in December, snow falls for 9.5 days, with typically accumulated 2.52" (64mm) of snow. Throughout the year, there are 43.2 snowfall days, and 13.5" (343mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:41 am and sunset at 5:07 pm. On the last day of December, sunrise is at 8:00 am and sunset at 5:16 pm EST.
Sunshine
In McComb, the average sunshine in December is 3.9h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by 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?
What is the driest month?
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 McComb?
What is the average length of the day in December?
When is the sunrise / sunset in December in McComb?
How many hours of sunshine does McComb have in December?
What is the month with the lowest UV index?
How high is the UV index in December in McComb?
Average temperature in December
McComb, OH
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
McComb, OH
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
McComb, OH
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
McComb, OH
- Average humidity in December: 82%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
McComb, OH
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in December
McComb, OH
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
McComb, OH
- Average snowfall in December: 2.52"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
McComb, OH
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is January (12.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McComb, OH
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
McComb, OH
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (17.4 days).
The months with the least sunshine days are May and June (10.3 days).
Average UV index in December
McComb, OH
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
McComb, OH
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in December
McComb, OH
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are January, August and September (5mi).
McComb, Ohio, USA
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