January weather forecastPortage, MI
January
Weather in January
January in Portage, Michigan, greets residents and visitors with one of the coldest months, boasting a high average temperature of just 28.4°F (-2°C) and low temperatures dropping to an average of 18°F (-7.8°C). Snowfall is a common occurrence, as it is one of the months of highest snowfall, making it a picturesque winter wonderland. This month sees relatively less daytime with an average daylight timing around 9.5 hours per day. The relative humidity is high signifying that January is a notably damp month. With visibility usually of around 5 miles, winter travel requires caution and preparedness.Temperature
In Portage, Michigan, January records the lowest average temperatures, peaking at 28.4°F (-2°C) and reaching a low of 18°F (-7.8°C).Humidity
The most humid month is January, with an average relative humidity of 87%.Rainfall
In Portage, in January, during 6.6 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Portage, during the entire year, the rain falls for 158.4 days and collects up to 29.88" (759mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, it is snowing for 16.6 days. Throughout January, 5.08" (129mm) of snow is accumulated. Throughout the year, there are 62.4 snowfall days, and 20.24" (514mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 31min.On the first day of the month, sunrise is at 8:10 am and sunset at 5:20 pm. On the last day of January, sunrise is at 7:56 am and sunset at 5:54 pm EST.
Sunshine
With an average of 2.7h of sunshine, January has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 1 in January transforms into this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Portage, MI
- Average high temperature in January: 28.4°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in January: 18°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in January
Portage, MI
- Average pressure in January: 30.09"Hg
The months with the highest atmospheric pressure are January, March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Portage, MI
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).
Average humidity in January
Portage, MI
- Average humidity in January: 87%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in January
Portage, MI
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in January
Portage, MI
- Average rainfall days in January: 6.6 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in January
Portage, MI
- Average snowfall in January: 5.08"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Portage, MI
- Average snowfall days in January: 16.6 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Portage, MI
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
Portage, MI
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in January
Portage, MI
- Average UV index in January: 1
The months with the highest UV index are June 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, MI
- Average cloud cover in January: 73
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in January
Portage, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
