December weather forecastCollinsville, MS
December
Weather in December
The first month of the winter, December, is also a moderate month in Collinsville, Mississippi, with an average temperature varying between 41.5°F (5.3°C) and 56.7°F (13.7°C).Temperature
December implies a soft temperature shift, with average high-temperatures reducing from November's enjoyable 63.9°F (17.7°C) to a mild 56.7°F (13.7°C). Collinsville records an average temperature drop to an icy 41.5°F (5.3°C) in December.Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
The month with the most rainfall is December, when the rain falls for 13.4 days and typically aggregates up to 3.98" (101mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. In Collinsville, during the entire year, snow falls for 2.6 days and aggregates up to 1.06" (27mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:39 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:00 pm CST.
Sunshine
With an average of 4.7h of sunshine, December has the least sunshine of the year in Collinsville.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in December translates into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Collinsville, MS
- Average high temperature in December: 56.7°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in December: 41.5°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37.2°F).
Average pressure in December
Collinsville, MS
- 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 (29.96"Hg).
Average wind speed in December
Collinsville, MS
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Collinsville, MS
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Collinsville, MS
- Average rainfall in December: 3.98"
The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Collinsville, MS
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Collinsville, MS
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Collinsville, MS
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Collinsville, MS
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Collinsville, MS
- Average sunshine days in December: 15.8 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Collinsville, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Collinsville, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Collinsville, MS
- 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).





