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
With the onset of December, Collinsville experiences a modest temperature adjustment, with the average high-temperature gently receding from a mild 59.5°F (15.3°C) in November to a fresh 52.5°F (11.4°C). Nighttime temperatures in Collinsville consistently average a wintry 38.1°F (3.4°C) during December.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
The wettest months are February and December, with an average 4.49" (114mm) of rainfall.Snowfall
January through March, November and December are months with snowfall in Collinsville. In Collinsville, Alabama, in December, during 0.9 snowfall days, 0.35" (9mm) of snow is typically accumulated. Throughout the year, there are 4.7 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
December has the shortest days of the year in Collinsville, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:31 am and sunset at 4:33 pm. On the last day of December, sunrise is at 6:49 am and sunset at 4:44 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
The months with the lowest UV index in Collinsville are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Collinsville in December?
What is the most humid month in Collinsville?
What is the average humidity in December in Collinsville?
What is the wettest month in Collinsville?
How much does it rain in Collinsville in December?
How much does it snow in Collinsville in December?
What is the month with the shortest days in Collinsville?
What is the average length of the day in December in Collinsville?
When is the sunrise / sunset in December in Collinsville?
How long on average sun shines in December in Collinsville?
What are the months with the lowest UV index in Collinsville?
How high is the UV index in December in Collinsville?
Average temperature in December
Collinsville, AL
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in December
Collinsville, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Collinsville, AL
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in December
Collinsville, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Collinsville, AL
- Average rainfall in December: 4.49"
The wettest months (with the highest rainfall) are February and December (4.49").
The driest month (with the least rainfall) is October (2.64").
Average rainfall days in December
Collinsville, AL
- Average rainfall days in December: 14.2 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Collinsville, AL
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Collinsville, AL
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Collinsville, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Collinsville, AL
- Average sunshine days in December: 15.2 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Collinsville, AL
- 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 and December (UV index 2).
Average cloud cover in December
Collinsville, AL
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Collinsville, AL
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
Collinsville, Alabama, USA
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