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 lowest temperatures are recorded in January, with averages reaching a high of 53.1°F (11.7°C) and a low of 37°F (2.8°C).Humidity
In January, the average relative humidity in Marietta is 75%.Rainfall
In Marietta, in January, it is raining for 8.8 days, with typically 1.97" (50mm) of accumulated precipitation. In Marietta, during the entire year, the rain falls for 145.9 days and collects up to 31.1" (790mm) of precipitation.Snowfall
January, February and December are months with snowfall. In Marietta, in January, snow falls for 0.5 days, with typically accumulated 0.35" (9mm) of snow. In Marietta, during the entire year, snow falls for 2.6 days and aggregates up to 1.42" (36mm) of snow.Daylight
In January, the average length of the day is 10h and 15min.On the first day of January, sunrise is at 7:21 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:48 pm CST.
Sunshine
In Marietta, the average sunshine in January is 5.4h.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 reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during January leads to these advisories:
Exercise care. People with light skin might get burns in fewer 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. Experience reduced UV exposure by about half when donning a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest time of year 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?
How many days does it snow in January in Marietta?
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?
When is the lowest UV index in Marietta?
What is the UV index reading in January in Marietta?
Average temperature in January
Marietta, TX
- Average high temperature in January: 53.1°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in January: 37°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in January
Marietta, TX
- 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 (29.93"Hg).
Average wind speed in January
Marietta, TX
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in January
Marietta, TX
- Average humidity in January: 75%
The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (67%).
Average rainfall in January
Marietta, TX
- Average rainfall in January: 1.97"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in January
Marietta, TX
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is August (15 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in January
Marietta, TX
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Marietta, TX
- Average snowfall days in January: 0.5 days
The month with the highest number of snowfall days is February (1.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Marietta, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in January
Marietta, TX
- Average sunshine days in January: 20.4 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in January
Marietta, TX
- 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, November and December (UV index 3).
Average cloud cover in January
Marietta, TX
- Average cloud cover in January: 39
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Marietta, TX
- 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, Texas, USA
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