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
The coldest period is January, when temperatures fluctuate between an average high of 51.6°F (10.9°C) and a low of 35.6°F (2°C).Humidity
The average relative humidity in January is 73%.Rainfall
In January, in Porterdale, the rain falls for 7.3 days. Throughout January, 1.02" (26mm) of precipitation is accumulated. Throughout the year, in Porterdale, there are 132.6 rainfall days, and 14.41" (366mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and February. The month with the most snowfall is January, when snow falls for 0.4 days and typically aggregates up to 0.08" (2mm) of snow.Daylight
In Porterdale, the average length of the day in January is 10h and 13min.On the first day of the month, sunrise is at 7:39 am and sunset at 5:38 pm. On the last day of January, in Porterdale, sunrise is at 7:32 am and sunset at 6:05 pm EST.
Sunshine
The average sunshine in January in Porterdale is 5.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 2 suggests these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What time of the year is the coldest in Porterdale?
What are the temperatures in Porterdale in January?
What is the average humidity in January in Porterdale?
How much does it rain in Porterdale in January?
When does it snow the most in Porterdale?
When does it start to snow in Porterdale?
What is the average length of the day in January in Porterdale?
When are sunrise and sunset in January in Porterdale?
How many hours of sunshine does Porterdale have in January?
What is the month with the lowest UV index in Porterdale?
What is the UV index intensity in January in Porterdale?
Average temperature in January
Porterdale, GA
- Average high temperature in January: 51.6°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in January: 35.6°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in January
Porterdale, GA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Porterdale, GA
- Average wind speed in January: 7.6mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in January
Porterdale, GA
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are October and November (72%).
Average rainfall in January
Porterdale, GA
- Average rainfall in January: 1.02"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is October (0.75").
Average rainfall days in January
Porterdale, GA
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (6 days).
Average snowfall in January
Porterdale, GA
- Average snowfall in January: 0.08"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Porterdale, GA
- Average snowfall days in January: 0.4 days
The months with the highest number of snowfall days are January and February (0.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in January /
Average sunshine in January
Porterdale, GA
- Average daylight in January: 10h and 1min
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 January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Porterdale, GA
- Average sunshine days in January: 21.5 days
The month with the most sunshine days is October (22.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in January
Porterdale, GA
- Average UV index in January: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Porterdale, GA
- Average cloud cover in January: 41
The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in January
Porterdale, GA
- Average visibility in January: 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).
Porterdale, Georgia, USA
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