January weather forecastPentwater, MI
January
Weather in January
January, the same as December, in Pentwater, Michigan, is a freezing cold winter month, with an average temperature ranging between max 28.2°F (-2.1°C) and min 21.6°F (-5.8°C).Temperature
The month of January, characterized by an average high of 28.2°F (-2.1°C) and a low of 21.6°F (-5.8°C), is recognized as the coldest.Humidity
The most humid month is January, with an average relative humidity of 85%.Rainfall
In Pentwater, Michigan, in January, during 4.8 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 140.3 rainfall days, and 25.08" (637mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pentwater, Michigan, are January through May, October through December. The month with the most snowfall in Pentwater is January, when snow falls for 17.8 days and typically aggregates up to 5" (127mm) of snow.Daylight
In Pentwater, the average length of the day in January is 9h and 22min.On the first day of the month, sunrise is at 8:19 am and sunset at 5:18 pm. On the last day of January, in Pentwater, sunrise is at 8:03 am and sunset at 5:54 pm EST.
Sunshine
The month with the least sunshine in Pentwater is January, with an average of 2.1h of sunshine.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Pentwater. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 1 in January interprets into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Pentwater, MI
- Average high temperature in January: 28.2°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in January: 21.6°F
The month with the highest average low temperature is August (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in January
Pentwater, MI
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Pentwater, MI
- Average wind speed in January: 12.8mph
The windiest month (with the highest average wind speed) is November (13.1mph).
The calmest month (with the lowest average wind speed) is July (8.4mph).
Average humidity in January
Pentwater, MI
- Average humidity in January: 85%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in January
Pentwater, MI
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is October (3.46").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in January
Pentwater, MI
- Average rainfall days in January: 4.8 days
The month with the highest number of rainy days is October (17.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in January
Pentwater, MI
- Average snowfall in January: 5"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Pentwater, MI
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Pentwater, MI
- Average daylight in January: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January: 2h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 6min).
Average sunshine days in January
Pentwater, MI
- Average sunshine days in January: 6.3 days
The month with the most sunshine days is July (14.8 days).
The month with the least sunshine days is January (6.3 days).
Average UV index in January
Pentwater, MI
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Pentwater, MI
- Average cloud cover in January: 79
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
Pentwater, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





