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
In Calera, the average high-temperature in December slightly decreases from a comfortable 62.8°F (17.1°C) in November to a cool 55.2°F (12.9°C). Calera records a steady low-temperature average of 40.5°F (4.7°C) during December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In December, in Calera, the rain falls for 11.2 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. Throughout the year, there are 148.8 rainfall days, and 23.11" (587mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. The month with the most snowfall in Calera is December, when snow falls for 0.5 days and typically aggregates up to 0.47" (12mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:32 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:50 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Calera.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Ensure safety - Sun damage prevention is strongly urged. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are the temperatures in Calera in December?
What is the most humid month in Calera?
What is the average humidity in December in Calera?
How much does it rain in Calera in December?
When does it snow the most in Calera?
When does it start to snow in Calera?
What is the month with the shortest days in Calera?
What is the average length of the day in December in Calera?
What time are sunrise and sunset in December in Calera?
What is the month with the least sunshine in Calera?
How many hours of sunshine does Calera have in December?
What is the month with the lowest UV index in Calera?
What is the UV index reading in December in Calera?
Average temperature in December
Calera, AL
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).
Average pressure in December
Calera, 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
Calera, AL
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in December
Calera, 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 (71%).
Average rainfall in December
Calera, AL
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").
Average rainfall days in December
Calera, AL
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).
Average snowfall in December
Calera, AL
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Calera, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (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
Calera, 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 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Calera, AL
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Calera, AL
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Calera, AL
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in December
Calera, 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).
Calera, Alabama, USA
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