Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, recording an average high temperature of 48.7°F (9.3°C) and a low temperature of 32.9°F (0.5°C), is Portersville's coldest month.Humidity
In Portersville, the average relative humidity in January is 76%.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 3.66" (93mm) of precipitation is accumulated. In Portersville, during the entire year, the rain falls for 184 days and collects up to 43.54" (1106mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Portersville, Alabama, during January, snow falls for 1.2 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 4.7 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 10min.On the first day of the month, sunrise is at 6:49 am and sunset at 4:44 pm. On the last day of January, sunrise is at 6:41 am and sunset at 5:11 pm CST.
Sunshine
In January, the average sunshine is 5.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in January leads to these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest?
What are the temperatures in Portersville in January?
What is the average humidity in January?
How much does it rain in Portersville in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How many hours of sunshine does Portersville have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Portersville, AL
- Average high temperature in January: 48.7°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 January: 32.9°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 January
Portersville, AL
- Average pressure in January: 30.17"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 January
Portersville, AL
- Average wind speed in January: 7.5mph
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 January
Portersville, AL
- Average humidity in January: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Portersville, AL
- Average rainfall in January: 3.66"
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 January
Portersville, AL
- Average rainfall days in January: 12.3 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 January
Portersville, AL
- Average snowfall in January: 0.59"
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 January
Portersville, AL
- Average snowfall days in January: 1.2 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 January /
Average sunshine in January
Portersville, AL
- Average daylight in January: 10h and 1min
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 January: 5h and 1min
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 January
Portersville, AL
- Average sunshine days in January: 16.9 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 January
Portersville, AL
- Average UV index in January: 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 January
Portersville, AL
- Average cloud cover in January: 45
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 January
Portersville, AL
- Average visibility in January: 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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