January weather forecastPetersburg, IN
January
Weather in January
January, like December, in Petersburg, Indiana, is another cold winter month, with an average temperature ranging between max 37.9°F (3.3°C) and min 25°F (-3.9°C).Temperature
Petersburg's January weather reaches an average high of 37.9°F (3.3°C) and an average low of 25°F (-3.9°C), making it the coldest month.Humidity
In Petersburg, the average relative humidity in January is 78%.Rainfall
In Petersburg, in January, during 9.3 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. Throughout the year, there are 151.2 rainfall days, and 26.3" (668mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. January is the month with the most snowfall. Snow falls for 6.8 days and accumulates 1.85" (47mm) of snow.Daylight
In January, the average length of the day is 9h and 50min.On the first day of the month, sunrise is at 8:06 am and sunset at 5:38 pm. On the last day of January, sunrise is at 7:55 am and sunset at 6:09 pm EST.
Sunshine
In Petersburg, the average sunshine in January is 4.6h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 in January translates into these instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Petersburg, IN
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in January: 25°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in January
Petersburg, IN
- 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 (29.94"Hg).
Average wind speed in January
Petersburg, IN
- Average wind speed in January: 9.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in January
Petersburg, IN
- Average humidity in January: 78%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Petersburg, IN
- Average rainfall in January: 2.01"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in January
Petersburg, IN
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in January
Petersburg, IN
- Average snowfall in January: 1.85"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Petersburg, IN
- Average snowfall days in January: 6.8 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Petersburg, IN
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in January
Petersburg, IN
- Average sunshine days in January: 15.8 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in January
Petersburg, IN
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Petersburg, IN
- Average cloud cover in January: 55
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in January
Petersburg, IN
- 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).
