January weather forecastDeWitt, MI
January
Weather in January
January, like December, is another subzero cold winter month in DeWitt, Michigan, with an average temperature fluctuating between 27.1°F (-2.7°C) and 17.1°F (-8.3°C).Temperature
The coldest temperatures occur during January, when averages reach a peak of 27.1°F (-2.7°C) and a low of 17.1°F (-8.3°C).Humidity
The most humid month is January, with an average relative humidity of 88%.Rainfall
In DeWitt, in January, it is raining for 7.3 days, with typically 1.81" (46mm) of accumulated precipitation. Throughout the year, there are 144.6 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
Months with snowfall in DeWitt are January through May, October through December. The month with the most snowfall is January, when snow falls for 16.2 days and typically aggregates up to 4.33" (110mm) of snow.Daylight
The average length of the day in January is 9h and 28min.On the first day of the month, sunrise is at 8:08 am and sunset at 5:14 pm. On the last day of January, sunrise is at 7:54 am and sunset at 5:49 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 2.7h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
DeWitt, MI
- Average high temperature in January: 27.1°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (27.1°F).
- Average low temperature in January: 17.1°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in January
DeWitt, MI
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
DeWitt, MI
- Average wind speed in January: 10.1mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in January
DeWitt, MI
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in January
DeWitt, MI
- Average rainfall in January: 1.81"
The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in January
DeWitt, MI
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in January
DeWitt, MI
- Average snowfall in January: 4.33"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
DeWitt, MI
- Average snowfall days in January: 16.2 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
DeWitt, MI
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 2h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in January
DeWitt, MI
- Average sunshine days in January: 10.3 days
The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is January (10.3 days).
Average UV index in January
DeWitt, MI
- Average UV index in January: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in January
DeWitt, MI
- Average cloud cover in January: 71
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in January
DeWitt, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, September and December (5mi).





