January weather forecastMount Vernon, IN
January
Weather in January
January, like December, in Mount Vernon, Indiana, is an icy winter month, with an average temperature ranging between max 39.4°F (4.1°C) and min 26.4°F (-3.1°C).Temperature
January is the month that records the lowest temperatures, with averages ranging from a high of 39.4°F (4.1°C) to a low of 26.4°F (-3.1°C).Humidity
The average relative humidity in January in Mount Vernon is 77%.Rainfall
In Mount Vernon, in January, it is raining for 10.3 days, with typically 2.76" (70mm) of accumulated precipitation. In Mount Vernon, Indiana, during the entire year, the rain falls for 169.9 days and collects up to 39.41" (1001mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Mount Vernon. January is the month with the most snowfall. Snow falls for 6.5 days and accumulates 1.85" (47mm) of snow.Daylight
The average length of the day in January is 9h and 53min.On the first day of January, sunrise is at 7:07 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index in Mount Vernon are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in January translates into these instructions:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Mount Vernon, IN
- Average high temperature in January: 39.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in January: 26.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in January
Mount Vernon, 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 (29.95"Hg).
Average wind speed in January
Mount Vernon, IN
- Average wind speed in January: 9.9mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in January
Mount Vernon, IN
- Average humidity in January: 77%
The months with the highest relative humidity are May and July (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in January
Mount Vernon, IN
- Average rainfall in January: 2.76"
The wettest month (with the highest rainfall) is April (5.28").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in January
Mount Vernon, IN
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in January
Mount Vernon, 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
Mount Vernon, IN
- Average snowfall days in January: 6.5 days
The month with the highest number of snowfall days is January (6.5 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
Mount Vernon, IN
- Average daylight in January: 9h and 54min
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 36min).
- Average sunshine in January: 4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Mount Vernon, IN
- Average sunshine days in January: 14.7 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in January
Mount Vernon, 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 and December (UV index 2).
Average cloud cover in January
Mount Vernon, IN
- Average cloud cover in January: 53
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in January
Mount Vernon, 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).





