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, with average temperatures reaching a high of 32.5°F (0.3°C) and a low of 19.8°F (-6.8°C), is the coldest month.Humidity
January and February, with an average relative humidity of 85%, are the most humid months in Roswell, Ohio.Rainfall
January and September are months with the least rain when the rain falls for 6.6 days and typically aggregates up to 0.87" (22mm) of rain.Snowfall
Months with snowfall in Roswell, Ohio, are January through May, November and December. In Roswell, in January, snow falls for 8.5 days, with typically accumulated 1.61" (41mm) of snow. Throughout the year, in Roswell, there are 31.7 snowfall days, and 6.69" (170mm) of snow is accumulated.Daylight
In Roswell, the average length of the day in January is 9h and 40min.On the first day of January, sunrise is at 7:48 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine in Roswell is January, with an average of 3h of sunshine.UV index
In January, the average daily maximum UV index in Roswell is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in January translates into this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Roswell?
How cold is January in Roswell?
What is the most humid month in Roswell?
What is the average humidity in January in Roswell?
What is the driest month in Roswell?
How much does it rain in Roswell in January?
How much does it snow in Roswell in January?
How many hours of daylight does Roswell have in January?
When are sunrise and sunset in January in Roswell?
What is the month with the least sunshine in Roswell?
How many hours of sunshine does Roswell have in January?
What is the UV index intensity in January in Roswell?
Average temperature in January
Roswell, OH
- Average high temperature in January: 32.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Roswell, OH
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Roswell, OH
- Average wind speed in January: 8.2mph
The windiest month (with the highest average wind speed) is January (8.2mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in January
Roswell, OH
- Average humidity in January: 85%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in January
Roswell, OH
- Average rainfall in January: 0.87"
The wettest month (with the highest rainfall) is June (1.73").
The driest months (with the least rainfall) are January and September (0.87").
Average rainfall days in January
Roswell, OH
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in January
Roswell, OH
- Average snowfall in January: 1.61"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Roswell, OH
- Average snowfall days in January: 8.5 days
The months with the highest number of snowfall days are January and February (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Roswell, OH
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Roswell, OH
- Average sunshine days in January: 17.7 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (13.2 days).
Average UV index in January
Roswell, OH
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Roswell, OH
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Roswell, OH
- Average visibility in January: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Roswell, Ohio, USA
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