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 month of January, characterized by an average high of 35.1°F (1.7°C) and a low of 22.5°F (-5.3°C), is recognized as the coldest.Humidity
The average relative humidity in January in Marietta is 81%.Rainfall
In Marietta, during January, the rain falls for 8.1 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Marietta, there are 149.3 rainfall days, and 25.83" (656mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. The month with the most snowfall in Marietta, Indiana, is January, when snow falls for 8 days and typically aggregates up to 2.4" (61mm) of snow.Daylight
The average length of the day in January in Marietta is 9h and 46min.On the first day of the month, sunrise is at 8:03 am and sunset at 5:30 pm. On the last day of January, sunrise is at 7:51 am and sunset at 6:02 pm EST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in January transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the coldest month in Marietta?
How cold is 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?
What is the average length of the day in January in Marietta?
When are sunrise and sunset in January in Marietta?
What is the month with the least sunshine in Marietta?
How long on average sun shines in January in Marietta?
What is the month with the lowest UV index in Marietta?
How high is the UV index in January in Marietta?
Average temperature in January
Marietta, IN
- Average high temperature in January: 35.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Marietta, IN
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Marietta, IN
- Average wind speed in January: 9.1mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in January
Marietta, IN
- Average humidity in January: 81%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Marietta, IN
- Average rainfall in January: 1.73"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in January
Marietta, IN
- Average rainfall days in January: 8.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in January
Marietta, IN
- Average snowfall in January: 2.4"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Marietta, IN
- Average snowfall days in January: 8 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Marietta, IN
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Marietta, IN
- Average sunshine days in January: 16.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
Marietta, IN
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Marietta, IN
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Marietta, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Marietta, Indiana, USA
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