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
The arrival of December signals a subtle shift in temperature, down from an enjoyable 62.2°F (16.8°C) in November to a fresh 54.9°F (12.7°C). Nighttime temperatures in December average to a wintry 40.3°F (4.6°C) in McCalla.Humidity
December is the most humid month in McCalla, with an average relative humidity of 80%.Rainfall
December is the month with the most rainfall in McCalla, Alabama. Rain falls for 13.2 days and accumulates 4.13" (105mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In McCalla, in December, snow falls for 0.8 days, with typically accumulated 0.51" (13mm) of snow. Throughout the year, in McCalla, Alabama, there are 4.1 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
The month with the shortest days in McCalla is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:34 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:51 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine.UV index
December is the month with the lowest UV index in McCalla, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in December interprets into the following 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. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the average December temperature in McCalla?
What is the most humid month in McCalla?
What is the average humidity in December in McCalla?
What is the wettest month in McCalla?
How much does it rain in McCalla in December?
How much does it snow in McCalla in December?
What is the month with the shortest days in McCalla?
How many hours of daylight does McCalla have in December?
When is the sunrise / sunset in December in McCalla?
What are the months with the least sunshine in McCalla?
How long on average sun shines in December in McCalla?
What is the month with the lowest UV index in McCalla?
What is the UV index intensity in December in McCalla?
Average temperature in December
McCalla, AL
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
McCalla, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
McCalla, AL
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
McCalla, 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 (70%).
Average rainfall in December
McCalla, AL
- Average rainfall in December: 4.13"
The wettest month (with the highest rainfall) is December (4.13").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in December
McCalla, AL
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
McCalla, AL
- Average snowfall in December: 0.51"
The month with the highest snowfall is January (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
McCalla, AL
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.3 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
McCalla, AL
- Average daylight in December: 10h and 0min
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 0min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
McCalla, AL
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
McCalla, AL
- Average UV index in December: 2
The months with the highest UV index are April, May, June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
McCalla, AL
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 30).
Average visibility in December
McCalla, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
McCalla, Alabama, USA
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