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, characterized by an average high temperature of 27°F (-2.8°C) and a low temperature of 14.7°F (-9.6°C), is generally the coldest month.Humidity
In January, the average relative humidity is 85%.Rainfall
In Petersburg, during January, the rain falls for 8.9 days and regularly aggregates up to 2.64" (67mm) of precipitation. In Petersburg, during the entire year, the rain falls for 167.1 days and collects up to 35.98" (914mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Petersburg, in January, snow falls for 15.6 days, with typically accumulated 8.19" (208mm) of snow. In Petersburg, during the entire year, snow falls for 66.1 days and aggregates up to 39.09" (993mm) of snow.Daylight
The average length of the day in January is 9h and 28min.On the first day of January, sunrise is at 7:23 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:04 pm EST.
Sunshine
In Petersburg, the average sunshine in January is 3.7h.UV index
In January, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
How cold is January?
What is the average humidity in January in Petersburg?
How much does it rain in Petersburg in January?
How many days does it snow in January?
What is the average length of the day in January in Petersburg?
When are sunrise and sunset in January?
How long on average sun shines in January?
What is the UV index reading in January in Petersburg?
Average temperature in January
Petersburg, NY
- Average high temperature in January: 27°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in January: 14.7°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (14.7°F).
Average pressure in January
Petersburg, NY
- Average pressure in January: 30.03"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Petersburg, NY
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are January and February (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in January
Petersburg, NY
- Average humidity in January: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
Petersburg, NY
- Average rainfall in January: 2.64"
The wettest month (with the highest rainfall) is October (3.62").
The driest month (with the least rainfall) is March (2.6").
Average rainfall days in January
Petersburg, NY
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in January
Petersburg, NY
- Average snowfall in January: 8.19"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Petersburg, NY
- Average snowfall days in January: 15.6 days
The month with the highest number of snowfall days is February (15.8 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, NY
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in January
Petersburg, NY
- Average sunshine days in January: 12 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Petersburg, NY
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in January
Petersburg, NY
- Average cloud cover in January: 61
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in January
Petersburg, NY
- Average visibility in January: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (5mi).
The month with the lowest visibility is February (4mi).
Petersburg, New York, USA
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