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
Marietta witnesses the coldest weather in January, with temperatures averaging a high of 52.3°F (11.3°C) and a low of 36.7°F (2.6°C).Humidity
With an average relative humidity of 73%, January is the least humid month.Rainfall
January is the month with the least rainfall. Rain falls for 11.1 days and accumulates 1.5" (38mm) of precipitation.Snowfall
January through March and December are months with snowfall in Marietta. In Marietta, in January, snow falls for 0.6 days, with typically accumulated 0.35" (9mm) of snow. Throughout the year, there are 1.4 snowfall days, and 0.83" (21mm) of snow is accumulated.Daylight
In Marietta, the average length of the day in January is 10h and 10min.On the first day of the month, sunrise is at 7:22 am and sunset at 5:17 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:44 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.6h of sunshine.UV index
The month with the lowest UV index is January, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in January leads to these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are the temperatures in January?
What is the least humid month in Marietta?
What is the average humidity in January?
What is the driest month in Marietta?
How much does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Marietta have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Marietta, NC
- Average high temperature in January: 52.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in January: 36.7°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (36.7°F).
Average pressure in January
Marietta, NC
- Average pressure in January: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Marietta, NC
- Average wind speed in January: 7.1mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Marietta, NC
- Average humidity in January: 73%
The months with the highest relative humidity are May, June, August and September (78%).
The month with the lowest relative humidity is January (73%).
Average rainfall in January
Marietta, NC
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is August (3.74").
The driest month (with the least rainfall) is January (1.5").
Average rainfall days in January
Marietta, NC
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in January
Marietta, NC
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Marietta, NC
- Average snowfall days in January: 0.6 days
The months with the highest number of snowfall days are January and February (0.6 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
Marietta, NC
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).
Average sunshine days in January
Marietta, NC
- Average sunshine days in January: 19.1 days
The month with the most sunshine days is October (21 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in January
Marietta, NC
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Marietta, NC
- Average cloud cover in January: 37
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Marietta, NC
- 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).
Marietta, North Carolina, USA
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