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 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
Fairfax records the coldest temperatures in January, averaging a high of 59.5°F (15.3°C) and a low of 42.4°F (5.8°C).Humidity
With an average relative humidity of 71%, January is the least humid month.Rainfall
The month with the least rainfall is January, when the rain falls for 7.9 days and typically collects 0.55" (14mm) of precipitation.Daylight
The average length of the day in January is 10h and 23min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:38 pm. On the last day of January, sunrise is at 7:23 am and sunset at 6:04 pm EST.
Sunshine
In Fairfax, the average sunshine in January is 6.2h.UV index
With an average maximum UV index of 3, January is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In January, the UV index of 3 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What is the average January temperature?
What is the least humid month?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Fairfax, GA
- Average high temperature in January: 59.5°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in January: 42.4°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in January
Fairfax, GA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in January
Fairfax, GA
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Fairfax, 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
Fairfax, GA
- Average rainfall in January: 0.55"
The wettest month (with the highest rainfall) is August (2.4").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in January
Fairfax, GA
- Average rainfall days in January: 7.9 days
The month with the highest number of rainy days is August (18.7 days).
The month with the least rainy days is November (6.2 days).
Average daylight in January /
Average sunshine in January
Fairfax, GA
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 6h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
Fairfax, GA
- Average sunshine days in January: 21.2 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is August (7.8 days).
Average UV index in January
Fairfax, GA
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in January
Fairfax, GA
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in January
Fairfax, 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).
Fairfax, Georgia, USA
Weather forecast for your location
2. Allow the app to use your location