January weather forecastRockland, MI
January
Weather in January
January, like December, is a freezing cold winter month in Rockland, Michigan, with an average temperature varying between 22.3°F (-5.4°C) and 14.4°F (-9.8°C).Temperature
The coldest month is January, with an average high-temperature of 22.3°F (-5.4°C) and an average low-temperature of 14.4°F (-9.8°C).Humidity
January is the most humid month in Rockland, with an average relative humidity of 88%.Rainfall
In January, in Rockland, the rain falls for 2.8 days. Throughout January, 1.34" (34mm) of precipitation is accumulated. Throughout the year, there are 122.6 rainfall days, and 22.56" (573mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rockland are January through May, October through December. In January, it is snowing for 22.5 days. Throughout January, 6.5" (165mm) of snow is accumulated. In Rockland, Michigan, during the entire year, snow falls for 100.8 days and aggregates up to 33.98" (863mm) of snow.Daylight
In Rockland, Michigan, the average length of the day in January is 9h and 3min.On the first day of the month, sunrise is at 8:41 am and sunset at 5:18 pm. On the last day of January, sunrise is at 8:22 am and sunset at 5:57 pm EST.
Sunshine
The month with the least sunshine is January, with an average of 1.6h of sunshine.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Rockland. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, a daily UV index of 1 turns into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Caution! The reflection of snow can nearly 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
Rockland, MI
- Average high temperature in January: 22.3°F
The warmest month (with the highest average high temperature) is August (69.4°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in January: 14.4°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in January
Rockland, MI
- Average pressure in January: 30.05"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Rockland, MI
- Average wind speed in January: 12.6mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity in January
Rockland, MI
- Average humidity in January: 88%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is May (75%).
Average rainfall in January
Rockland, MI
- Average rainfall in January: 1.34"
The wettest months (with the highest rainfall) are April, June, August and October (2.28").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in January
Rockland, MI
- Average rainfall days in January: 2.8 days
The month with the highest number of rainy days is October (14.6 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in January
Rockland, MI
- Average snowfall in January: 6.5"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Rockland, MI
- Average snowfall days in January: 22.5 days
The month with the highest number of snowfall days is January (22.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Rockland, MI
- Average daylight in January: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 1h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in January
Rockland, MI
- Average sunshine days in January: 5.6 days
The month with the most sunshine days is July (15.5 days).
The month with the least sunshine days is January (5.6 days).
Average UV index in January
Rockland, MI
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in January
Rockland, MI
- Average cloud cover in January: 84
The month with the most cloud cover is January (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in January
Rockland, MI
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





