January weather forecastLafayette, IN
January
Weather in January
January weather in Lafayette, Indiana, starts the year with a chill, characterized by snowfall and cold temperatures. It is indeed winter's peak, with the lower temperatures diving to around 19.8°F (-6.8°C). The frosty air is felt alongside an increased cloud cover of 60% and lessened daylight of about 9.7 hours. As a transition from the festive December, January brings about a relative drop in rainfall and snowfall. This season typically inspires residents to bundle up and enjoy winter sports like skiing, or to cozy up indoors.Temperature
Temperature readings reach their annual highs in January, averaging 31.8°F (-0.1°C) and a minimum average of 19.8°F (-6.8°C).Humidity
In Lafayette, the average relative humidity in January is 82%.Rainfall
In Lafayette, during January, the rain falls for 7 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, there are 153.1 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. The months with the most snowfall are January and February, with an average 2.44" (62mm) of accumulated snow.Daylight
The average length of the day in January is 9h and 41min.On the first day of the month, sunrise is at 8:10 am and sunset at 5:31 pm. On the last day of January, sunrise is at 7:57 am and sunset at 6:03 pm EST.
Sunshine
January has the least sunshine of the year, with an average of 3.9h of sunshine.UV index
In January, the average daily maximum UV index in Lafayette 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 average daily UV index of 2 in January transforms into the following instructions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Lafayette, IN
- Average high temperature in January: 31.8°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Lafayette, IN
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Lafayette, IN
- Average wind speed in January: 10.3mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in January
Lafayette, IN
- Average humidity in January: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Lafayette, IN
- Average rainfall in January: 1.34"
The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in January
Lafayette, IN
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in January
Lafayette, IN
- Average snowfall in January: 2.44"
The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Lafayette, IN
- Average snowfall days in January: 11.1 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Lafayette, IN
- Average daylight in January: 9h and 42min
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 54min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in January
Lafayette, IN
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in January
Lafayette, IN
- 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
Lafayette, IN
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in January
Lafayette, IN
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





