January weather forecastPortal, GA
January
Weather in January
January, like December, is another mild winter month in Portal, Georgia, with an average temperature ranging between max 56.1°F (13.4°C) and min 40.1°F (4.5°C).Temperature
January, with its average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 40.1°F (4.5°C), holds the record as the coldest month.Humidity
January is the least humid month, with an average relative humidity of 71%.Rainfall
In Portal, in January, it is raining for 8.6 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 140.8 rainfall days, and 17.09" (434mm) of precipitation is accumulated.Snowfall
January and February are months with snowfall. The months with the most snowfall in Portal are January and February, with an average 0.04" (1mm) of accumulated snow.Daylight
In Portal, the average length of the day in January is 10h and 18min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:32 pm. On the last day of January, in Portal, sunrise is at 7:22 am and sunset at 5:59 pm EST.
Sunshine
In Portal, Georgia, the average sunshine in January is 5.8h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In January, the maximum UV index of 3 transforms into these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Portal, GA
- Average high temperature in January: 56.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in January: 40.1°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in January
Portal, GA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Portal, GA
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in January
Portal, GA
- Average humidity in January: 71%
The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is January (71%).
Average rainfall in January
Portal, GA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days in January
Portal, GA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (5.8 days).
Average snowfall in January
Portal, GA
- Average snowfall in January: 0.04"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Portal, GA
- Average snowfall days in January: 0.2 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Portal, GA
- Average daylight in January: 10h and 18min
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 6min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Portal, GA
- Average sunshine days in January: 21.2 days
The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is August (8.9 days).
Average UV index in January
Portal, GA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Portal, GA
- Average cloud cover in January: 37
The months with the most cloud cover are February and December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Portal, GA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
