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 is the month when Marietta experiences its coldest temperatures, averaging a high of 52.2°F (11.2°C) and a low of 36°F (2.2°C).Humidity
In Marietta, the average relative humidity in January is 64%.Rainfall
The months with the least rainfall in Marietta are January and December Rain falls for 6.4 days and accumulates 1.42" (36mm) of rain.Snowfall
January through March, November and December are months with snowfall. In Marietta, in January, snow falls for 0.8 days, with typically accumulated 0.31" (8mm) of snow. In Marietta, during the entire year, snow falls for 3.8 days and aggregates up to 2.09" (53mm) of snow.Daylight
In January, the average length of the day in Marietta is 10h and 12min.On the first day of January in Marietta, sunrise is at 7:33 am and sunset at 5:30 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:57 pm CST.
Sunshine
In Marietta, Oklahoma, the average sunshine in January is 6.1h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 3 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Marietta?
What is the average January temperature in Marietta?
What is the average humidity in January in Marietta?
What is the driest month in Marietta?
How many days does it rain in January 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?
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, OK
- Average high temperature in January: 52.2°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in January: 36°F
The month with the highest average low temperature is July (73.9°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in January
Marietta, OK
- 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 (29.89"Hg).
Average wind speed in January
Marietta, OK
- Average wind speed in January: 9.1mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in January
Marietta, OK
- Average humidity in January: 64%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (58%).
Average rainfall in January
Marietta, OK
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (3.86").
The driest months (with the least rainfall) are January and December (1.42").
Average rainfall days in January
Marietta, OK
- Average rainfall days in January: 6.4 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in January
Marietta, OK
- Average snowfall in January: 0.31"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Marietta, OK
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1.7 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, OK
- 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: 6h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Marietta, OK
- Average sunshine days in January: 23.1 days
The month with the most sunshine days is January (23.1 days).
The month with the least sunshine days is May (15 days).
Average UV index in January
Marietta, OK
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Marietta, OK
- Average cloud cover in January: 28
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
Marietta, OK
- 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, Oklahoma, USA
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