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 month is January, with an average high-temperature of 49.6°F (9.8°C) and an average low-temperature of 34.2°F (1.2°C).Humidity
In Marietta, Georgia, the average relative humidity in January is 74%.Rainfall
In January, in Marietta, the rain falls for 12.3 days. Throughout January, 3.23" (82mm) of precipitation is accumulated. In Marietta, Georgia, during the entire year, the rain falls for 177.1 days and collects up to 41.93" (1065mm) of precipitation.Snowfall
January through March and December are months with snowfall in Marietta. The month with the most snowfall is January, when snow falls for 1.6 days and typically aggregates up to 0.98" (25mm) of snow.Daylight
In Marietta, the average length of the day in January is 10h and 12min.On the first day of the month, sunrise is at 7:43 am and sunset at 5:40 pm. On the last day of January, sunrise is at 7:35 am and sunset at 6:07 pm EST.
Sunshine
In January, the average sunshine is 5.6h.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 value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
FAQ
What is the coldest month in Marietta?
What is the temperature in January in Marietta?
What is the average humidity in January in Marietta?
How many days does it rain in January in Marietta?
What is the snowiest month in Marietta?
How much does it snow in Marietta in January?
How many hours of daylight does Marietta have in January?
What time are sunrise and sunset in January in Marietta?
How long on average sun shines in January in Marietta?
What are the months with the lowest UV index in Marietta?
What is the UV index intensity in January in Marietta?
Average temperature in January
Marietta, GA
- Average high temperature in January: 49.6°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 (49.6°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in January
Marietta, 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
Marietta, GA
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in January
Marietta, GA
- Average humidity in January: 74%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is August (68%).
Average rainfall in January
Marietta, GA
- Average rainfall in January: 3.23"
The wettest month (with the highest rainfall) is August (4.88").
The driest month (with the least rainfall) is October (2.24").
Average rainfall days in January
Marietta, GA
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is July (19.6 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Marietta, GA
- Average snowfall in January: 0.98"
The month with the highest snowfall is January (0.98").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Marietta, GA
- Average snowfall days in January: 1.6 days
The month with the highest number of snowfall days is January (1.6 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
Marietta, GA
- Average daylight in January: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 23min).
The month with the shortest days is December (Average daylight: 9h and 56min).
- Average sunshine in January: 5h and 36min
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 0min).
Average sunshine days in January
Marietta, GA
- Average sunshine days in January: 16 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in January
Marietta, GA
- Average UV index in January: 3
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, February, November and December (UV index 3).
Average cloud cover in January
Marietta, GA
- Average cloud cover in January: 44
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in January
Marietta, 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).
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