January weather forecastAnn Arbor, MI
January
Weather in January
The weather in Ann Arbor, Michigan, is characteristic of a typical Midwest winter, as the city enters the new year. January's temperatures often plummet, presenting chilly conditions during the month with frequent snowfalls. As the days remain short and with minimal sunshine hours, residents often experience cold, frosty mornings and evenings. Despite this, wind speeds tend to moderate during this time, providing a slight relief to people from chilly conditions. An interesting attribute is the relative humidity of 86%, which is tied for the high in the year alongside February, intervening to intensify the biting cold.Temperature
In Ann Arbor, January is the month with the lowest recorded average temperatures, measuring a high of 28.2°F (-2.1°C) and a low of 17.8°F (-7.9°C).Humidity
January and February, with an average relative humidity of 86%, are the most humid months.Rainfall
In Ann Arbor, during January, the rain falls for 5.2 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Ann Arbor, during the entire year, the rain falls for 144.9 days and collects up to 18.82" (478mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Ann Arbor. In Ann Arbor, in January, snow falls for 11.5 days, with typically accumulated 2.48" (63mm) of snow. Throughout the year, in Ann Arbor, there are 45 snowfall days, and 9.69" (246mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 31min.On the first day of January, sunrise is at 8:03 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:47 pm EST.
Sunshine
With an average of 3h of sunshine, January has the least sunshine of the year.UV index
In Ann Arbor, the average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed 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
Ann Arbor, MI
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 17.8°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in January
Ann Arbor, MI
- Average pressure in January: 30.08"Hg
The months with the highest atmospheric pressure are March and November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in January
Ann Arbor, 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 (6.4mph).
Average humidity in January
Ann Arbor, MI
- Average humidity in January: 86%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Ann Arbor, MI
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is May (2.4").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in January
Ann Arbor, MI
- Average rainfall days in January: 5.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in January
Ann Arbor, MI
- Average snowfall in January: 2.48"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Ann Arbor, MI
- Average snowfall days in January: 11.5 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Ann Arbor, 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 6min).
- Average sunshine in January: 3h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in January
Ann Arbor, MI
- Average sunshine days in January: 16 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in January
Ann Arbor, MI
- 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
Ann Arbor, MI
- Average cloud cover in January: 68
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Ann Arbor, MI
- 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).
