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, recording an average high temperature of 32°F (0°C) and a low temperature of 19.6°F (-6.9°C), is Petersburg's coldest month.Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Petersburg, in January, it is raining for 9.3 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, there are 178 rainfall days, and 32.95" (837mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall is January, when snow falls for 18.1 days and typically aggregates up to 6.65" (169mm) of snow.Daylight
The average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:46 am and sunset at 5:04 pm. On the last day of January, in Petersburg, Ohio, sunrise is at 7:33 am and sunset at 5:37 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 2.7h of sunshine.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. During bright days, sunglasses that offer UVA and UVB defense are recommended. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How many days does it snow in January?
How many hours of daylight does Petersburg have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine in Petersburg?
How many hours of sunshine does Petersburg have in January?
How high is the UV index in January?
Average temperature in January
Petersburg, OH
- Average high temperature in January: 32°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in January: 19.6°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure in January
Petersburg, OH
- Average pressure in January: 30.11"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
Petersburg, OH
- Average wind speed in January: 8.1mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in January
Petersburg, OH
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in January
Petersburg, OH
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is November (2.2").
Average rainfall days in January
Petersburg, OH
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Petersburg, OH
- Average snowfall in January: 6.65"
The month with the highest snowfall is January (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Petersburg, OH
- Average snowfall days in January: 18.1 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Petersburg, OH
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 2h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Petersburg, OH
- Average sunshine days in January: 7.8 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (7.5 days).
Average UV index in January
Petersburg, OH
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Petersburg, OH
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in January
Petersburg, OH
- Average visibility in January: 4mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Petersburg, Ohio, USA
Weather forecast for your location
2. Allow the app to use your location