January weather forecastWest Lafayette, IN
January
Weather in January
January, like December, is another subzero cold winter month in West Lafayette, Indiana, with an average temperature fluctuating between 31.8°F (-0.1°C) and 19.8°F (-6.8°C).Temperature
The coldest period tends to be January, when average temperatures fluctuate between a high of 31.8°F (-0.1°C) and a low of 19.8°F (-6.8°C).Humidity
In January, the average relative humidity in West Lafayette is 82%.Rainfall
In West Lafayette, in January, during 7 rainfall days, 1.34" (34mm) of precipitation is typically accumulated. In West Lafayette, Indiana, during the entire year, the rain falls for 153.1 days and collects up to 22.13" (562mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The months with the most snowfall are January and February, with an average 2.44" (62mm) of accumulated snow.Daylight
In January, the average length of the day in West Lafayette 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, in West Lafayette, sunrise is at 7:57 am and sunset at 6:04 pm EST.
Sunshine
With an average of 3.9h of sunshine, January has the least sunshine of the year in West Lafayette.UV index
The average daily maximum UV index in January in West Lafayette is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 2 in January translates into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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).
