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
January, characterized by an average high temperature of 48.7°F (9.3°C) and a low temperature of 34°F (1.1°C), is generally the coldest month.Humidity
The average relative humidity in January is 77%.Rainfall
In Marietta, during January, the rain falls for 12.2 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, in Marietta, there are 165 rainfall days, and 39.29" (998mm) of precipitation is accumulated.Snowfall
Months with snowfall in Marietta are January through March, November and December. January is the month with the most snowfall. Snow falls for 1.6 days and accumulates 0.47" (12mm) of snow.Daylight
The average length of the day in January in Marietta is 10h and 10min.On the first day of the month, sunrise is at 7:00 am and sunset at 4:54 pm. On the last day of January, in Marietta, sunrise is at 6:52 am and sunset at 5:22 pm CST.
Sunshine
The average sunshine in January is 4.8h.UV index
In January, the average daily maximum UV index in Marietta is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Take precautions - Protection against sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Marietta?
What are January temperatures in Marietta?
What is the average humidity in January in Marietta?
How much does it rain in Marietta in January?
When does it snow the most in Marietta?
How many days does it snow in January in Marietta?
How many hours of daylight does Marietta have in January?
When are sunrise and sunset in January in Marietta?
How long on average sun shines in January in Marietta?
How high is the UV index in January in Marietta?
Average temperature in January
Marietta, MS
- Average high temperature in January: 48.7°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in January: 34°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in January
Marietta, MS
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in January
Marietta, MS
- Average wind speed in January: 7.3mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in January
Marietta, MS
- Average humidity in January: 77%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Marietta, MS
- Average rainfall in January: 3.54"
The wettest month (with the highest rainfall) is February (4.29").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in January
Marietta, MS
- Average rainfall days in January: 12.2 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in January
Marietta, MS
- Average snowfall in January: 0.47"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Marietta, MS
- Average snowfall days in January: 1.6 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Marietta, MS
- 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: 4h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Marietta, MS
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in January
Marietta, MS
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Marietta, MS
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in January
Marietta, MS
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Marietta, Mississippi, USA
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