January weather forecastWilliams, IN
January
Weather in January
January, like December, in Williams, Indiana, is a wintry winter month, with temperature in the range of an average high of 36.9°F (2.7°C) and an average low of 23.4°F (-4.8°C).Temperature
January brings the lowest temperatures, with an average high of 36.9°F (2.7°C) and an average low of 23.4°F (-4.8°C).Humidity
In January, the average relative humidity is 80%.Rainfall
In January, the rain falls for 7.8 days. Throughout January, 1.1" (28mm) of precipitation is accumulated. Throughout the year, there are 135.6 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
Months with snowfall in Williams are January through April, November and December. In Williams, Indiana, in January, during 6.4 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Williams, during the entire year, snow falls for 24.4 days and aggregates up to 4.41" (112mm) of snow.Daylight
In Williams, the average length of the day in January is 9h and 49min.On the first day of January in Williams, sunrise is at 8:04 am and sunset at 5:35 pm. On the last day of the month, sunrise is at 7:53 am and sunset at 6:06 pm EST.
Sunshine
In January, the average sunshine is 4.3h.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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 suggests these recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take careful note! The UV radiation of the Sun 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
Williams, IN
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 23.4°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in January
Williams, IN
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in January
Williams, IN
- Average wind speed in January: 7.8mph
The windiest months (with the highest average wind speed) are January, February and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in January
Williams, IN
- Average humidity in January: 80%
The months with the highest relative humidity are February, May and December (81%).
The month with the lowest relative humidity is October (75%).
Average rainfall in January
Williams, IN
- Average rainfall in January: 1.1"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in January
Williams, IN
- Average rainfall days in January: 7.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in January
Williams, IN
- Average snowfall in January: 0.91"
The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Williams, IN
- Average snowfall days in January: 6.4 days
The month with the highest number of snowfall days is February (6.6 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
Williams, 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 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in January
Williams, IN
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is October (21.2 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in January
Williams, IN
- Average UV index in January: 2
The months with the highest UV index are 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
Williams, IN
- Average cloud cover in January: 58
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Williams, IN
- Average visibility in January: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).





