January weather forecastMcDonough, GA
January
Weather in January
January heralds the onset of winter weather in McDonough, Georgia. A reduced humidity of 73% coupled with temperatures ranging from 35.4°F (1.9°C) to 51.6°F (10.9°C) make the locale a true winter wonderland. Snowfalls, although rare, do occur with an average of 0.39" (10mm) scattered over less than a day. Layering for the cold is a must during this month. Enjoy the crisp, chilly sunshine with an average daylight length of 10.2 hours, keep in mind the shorter days and typically indoor-oriented activities.Temperature
With its high average temperature of 51.6°F (10.9°C) and a low of 35.4°F (1.9°C), January is regarded as the coldest month.Humidity
In January, the average relative humidity is 73%.Rainfall
In January, the rain falls for 12 days. Throughout January, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 179.5 rainfall days, and 40.08" (1018mm) of precipitation is accumulated.Snowfall
Months with snowfall in McDonough are January through March, November and December. January is the month with the most snowfall in McDonough. Snow falls for 0.8 days and accumulates 0.39" (10mm) of snow.Daylight
In McDonough, the average length of the day in January is 10h and 14min.On the first day of the month, sunrise is at 7:40 am and sunset at 5:39 pm. On the last day of January, sunrise is at 7:33 am and sunset at 6:06 pm EST.
Sunshine
The average sunshine in January is 5.8h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be vigilant! The reflective nature of snow can increase 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
McDonough, GA
- Average high temperature in January: 51.6°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (51.6°F).
- Average low temperature in January: 35.4°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in January
McDonough, 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
McDonough, GA
- Average wind speed in January: 7.8mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in January
McDonough, 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
McDonough, GA
- Average rainfall in January: 3.03"
The wettest month (with the highest rainfall) is August (5.24").
The driest month (with the least rainfall) is October (2.17").
Average rainfall days in January
McDonough, GA
- Average rainfall days in January: 12 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
McDonough, GA
- Average snowfall in January: 0.39"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
McDonough, GA
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (0.9 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
McDonough, GA
- Average daylight in January: 10h and 12min
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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
McDonough, GA
- Average sunshine days in January: 17.2 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in January
McDonough, GA
- Average UV index in January: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
McDonough, GA
- Average cloud cover in January: 41
The months with the most cloud cover are February and December (Cloud cover 45).
The months with the least cloud cover are June and October (Cloud cover 31).
Average visibility in January
McDonough, 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).
