January weather forecastPortage, IN
January
Weather in January
January weather in Portage, Indiana presents the coldest conditions of the year, with the mercury often plunging to 19.8°F (-6.8°C) at night. The chilly start to the year also carries the highest humidity and significant cloud cover, resulting in fewer hours of daylight and sunshine. Indeed, this month marks the start of winter with frequent snowfall, making it a hub for winter activities. The wind becomes stronger alongside, contributing to the overall cold and icy weather. Notably, the area endures the most snowfall during January, with accumulations reaching up to 3.27" (83mm).Temperature
Temperature records mark January as the coldest month, with highs averaging 30.2°F (-1°C) and lows at 19.8°F (-6.8°C).Humidity
In January, the average relative humidity is 82%.Rainfall
In Portage, during January, the rain falls for 7.2 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, in Portage, Indiana, there are 157.4 rainfall days, and 23.9" (607mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. January is the month with the most snowfall. Snow falls for 13.5 days and accumulates 3.27" (83mm) of snow.Daylight
In January, the average length of the day is 9h and 35min.On the first day of the month, sunrise is at 7:15 am and sunset at 4:29 pm. On the last day of January, sunrise is at 7:01 am and sunset at 5:02 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 3.5h of sunshine.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index in Portage. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Portage, IN
- Average high temperature in January: 30.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in January: 19.8°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in January
Portage, IN
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Portage, IN
- Average wind speed in January: 11.4mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in January
Portage, IN
- Average humidity in January: 82%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in January
Portage, IN
- Average rainfall in January: 1.22"
The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in January
Portage, IN
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in January
Portage, IN
- Average snowfall in January: 3.27"
The month with the highest snowfall is January (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Portage, IN
- Average snowfall days in January: 13.5 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Portage, IN
- Average daylight in January: 9h and 36min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Portage, IN
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is November (15.7 days).
The months with the least sunshine days are June and August (10.4 days).
Average UV index in January
Portage, IN
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
Portage, IN
- Average cloud cover in January: 64
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Portage, IN
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
