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 62.8°F (17.1°C) in November to a cool 55.2°F (12.9°C). During the nights in December, Alabaster observes an average low-temperature of 40.5°F (4.7°C).Humidity
December is the most humid month in Alabaster, with an average relative humidity of 80%.Rainfall
In Alabaster, in December, during 11.2 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Alabaster, during the entire year, the rain falls for 148.8 days and collects up to 23.11" (587mm) of precipitation.Snowfall
January, February and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.5 days and typically aggregates up to 0.47" (12mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:33 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.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 of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 in December translates into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Alabaster in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start snowing?
What is the month with the shortest days in Alabaster?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December in Alabaster?
Average temperature in December
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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
Alabaster, 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).
Alabaster, Alabama, USA
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