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 Portersville, the average high-temperature in December gently drops from a mild 59.5°F (15.3°C) in November to a fresh 52.5°F (11.4°C). Throughout the nights in December, an average low-temperature of 38.1°F (3.4°C) is noted in Portersville, Alabama.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
The months with the most rainfall in Portersville are February and December, with an average 4.49" (114mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Portersville, Alabama, during December, snow falls for 0.9 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Portersville, there are 4.7 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
The month with the shortest days in Portersville is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:31 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:43 pm CST.
Sunshine
In Portersville, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Portersville are January and December, 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 radiation for average individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What are the temperatures in Portersville in December?
What is the most humid month in Portersville?
What is the average humidity in December in Portersville?
What is the wettest month in Portersville?
How many days does it rain in December in Portersville?
How many days does it snow in December in Portersville?
What is the month with the shortest days in Portersville?
How many hours of daylight does Portersville have in December?
What time are sunrise and sunset in December in Portersville?
How many hours of sunshine does Portersville have in December?
What is the month with the lowest UV index in Portersville?
How high is the UV index in December in Portersville?
Average temperature in December
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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
Portersville, 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).
Portersville, Alabama, USA
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