Climate and monthly weather forecastRock, MI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Rock, Michigan, is a freezing cold winter month, with an average temperature fluctuating between 23.2°F (-4.9°C) and 14.2°F (-9.9°C). January, known for its average high temperature of 23.2°F (-4.9°C) and an average low temperature of 14.2°F (-9.9°C), is the coldest month. Weather in January »Weather in February
February, the last month of the winter in Rock, is also a subzero cold month, with an average temperature fluctuating between 15.1°F (-9.4°C) and 24.4°F (-4.2°C). February observes an average high-temperature of a still subzero cold 24.4°F (-4.2°C), marking an insignificant difference from January's 23.2°F (-4.9°C). Weather in February »Weather in March
March, the first month of the spring in Rock, is an icy month, with an average temperature fluctuating between 34°F (1.1°C) and 23.7°F (-4.6°C). With the onset of March, the average high-temperature slightly shifts from February's subzero cold 24.4°F (-4.2°C) to an icy 34°F (1.1°C). Weather in March »Weather in April
April in Rock, Michigan, is a chilly spring month, with an average temperature varying between 44.4°F (6.9°C) and 32.4°F (0.2°C). April sees a rise in the average high-temperature, climbing from a wintry 34°F (1.1°C) in March to a frosty 44.4°F (6.9°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Rock, Michigan, with an average temperature varying between 56.8°F (13.8°C) and 42.3°F (5.7°C). The average high-temperature increases in May, moving from a frosty 44.4°F (6.9°C) in April to a mild 56.8°F (13.8°C). Weather in May »Weather in June
The first month of the summer, June, is a comfortable month in Rock, Michigan, with an average temperature fluctuating between 64.6°F (18.1°C) and 50°F (10°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's mild 56.8°F (13.8°C) to an enjoyable 64.6°F (18.1°C). Weather in June »Weather in July
July in Rock, Michigan, is an agreeable summer month, with an average temperature varying between 72.7°F (22.6°C) and 57.7°F (14.3°C). Rock, Michigan, reaches its highest average temperatures in July, measuring 72.7°F (22.6°C) at the peak and 57.7°F (14.3°C) at the lowest. Weather in July »Weather in August
August, the last month of the summer in Rock, is also an agreeable month, with an average temperature fluctuating between 57.9°F (14.4°C) and 72.5°F (22.5°C). With the onset of August, the average high-temperature stands at a still pleasant 72.5°F (22.5°C), closely aligned with July's 72.7°F (22.6°C). Weather in August »Weather in September
September, the first month of the autumn in Rock, is still a refreshing month, with an average temperature ranging between max 66°F (18.9°C) and min 52.7°F (11.5°C). Rock in September experiences a gentle temperature dip, with average high-temperatures reducing from a pleasant 72.5°F (22.5°C) in August to an enjoyable 66°F (18.9°C). Weather in September »Weather in October
October, like September, in Rock, Michigan, is another fresh autumn month, with an average temperature ranging between min 42.4°F (5.8°C) and max 52.7°F (11.5°C). The start of October signals a decrease in the average high-temperature, transitioning from an enjoyable 66°F (18.9°C) in September to a cool 52.7°F (11.5°C). Weather in October »Weather in November
November, the last month of the autumn in Rock, is another cold month, with an average temperature fluctuating between 32.2°F (0.1°C) and 39.9°F (4.4°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a wintry 39.9°F (4.4°C) from a cool 52.7°F (11.5°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Rock, Michigan, with an average temperature fluctuating between 21.6°F (-5.8°C) and 28.9°F (-1.7°C). December's arrival coincides with a drop in the average high-temperature, decreasing from November's wintry 39.9°F (4.4°C) to a freezing cold 28.9°F (-1.7°C). Weather in December »Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest period in Rock, Michigan, tends to be January, when average temperatures fluctuate between a high of 23.2°F (-4.9°C) and a low of 14.2°F (-9.9°C).
January and February, with an average relative humidity of 87%, are most humid months in Rock.
In Rock, Michigan, during the entire year, the rain falls for 139.7 days and collects up to 24.17" (614mm) of precipitation.
January through April, October through December are months with snowfall in Rock, Michigan.
In Rock, during the entire year, snow falls for 76.5 days and aggregates up to 28.46" (723mm) of snow.
The month with the least sunshine in Rock, Michigan, is January, with an average of 3h of sunshine.
With an average maximum UV index of 1, January is the month with the lowest UV index.
February is the month with the least rainfall in Rock, Michigan. Rain falls for 5.3 days and accumulates 1.14" (29mm) of precipitation.
The month with the most snowfall in Rock, Michigan, is February, when snow falls for 16.3 days and typically aggregates up to 6.42" (163mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
May is the least humid month in Rock, Michigan, with an average relative humidity of 75%.
May through September are months without snowfall in Rock.
The month with the longest days in Rock is June, with an average of 15h and 42min of daylight.
June through August, with an average maximum UV index of 5, are months with the highest UV index.
In Rock, Michigan, the peak average temperatures are observed in July, with a high of 72.7°F (22.6°C) and a low of 57.7°F (14.3°C).
July has the most sunshine of the year in Rock, with an average of 10.3h of sunshine.
October is the month with the most rainfall in Rock. Rain falls for 15.2 days and accumulates 2.91" (74mm) of precipitation.
The month with the shortest days is December, with an average of 8h and 42min of daylight.
Average temperature
Rock, MI
The warmest month (with the highest average high temperature) is July (72.7°F).
The month with the lowest average high temperature is January (23.2°F).
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).
Average pressure
Rock, MI
- Average pressure in January:
30.03"Hg - Average pressure in February:
30.05"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.94"Hg - Average pressure in September:
30.01"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.03"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
Rock, MI
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.5mph - Average wind speed in March:
9.7mph - Average wind speed in April:
10.1mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
7.7mph - Average wind speed in August:
7.8mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.4mph - Average wind speed in November:
11mph - Average wind speed in December:
10.9mph
The windiest month (with the highest average wind speed) is November (11mph).
The calmest month (with the lowest average wind speed) is June (7.6mph).
Average humidity
Rock, MI
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is May (75%).
Average rainfall
Rock, MI
- Average rainfall in January:
1.18" - Average rainfall in February:
1.14" - Average rainfall in March:
1.57" - Average rainfall in April:
2.24" - Average rainfall in May:
2.64" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.48" - Average rainfall in August:
2.09" - Average rainfall in September:
2.24" - Average rainfall in October:
2.91" - Average rainfall in November:
1.5" - Average rainfall in December:
1.69"
The wettest month (with the highest rainfall) is October (2.91").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days
Rock, MI
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.3 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
16.2 days - Average rainfall days in June:
14.1 days
- Average rainfall days in July:
15.2 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
15.2 days - Average rainfall days in November:
9.8 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall
Rock, MI
The month with the highest snowfall is February (6.42").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Rock, MI
- Average snowfall days in January:
18.4 days - Average snowfall days in February:
16.3 days - Average snowfall days in March:
11.5 days - Average snowfall days in April:
6.2 days - Average snowfall days in May:
0.3 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
8.5 days - Average snowfall days in December:
14.5 days
The month with the highest number of snowfall days is January (18.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Rock, MI
- Average daylight in January:
9h and 6min - Average daylight in February:
10h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 36min - Average daylight in May:
15h and 0min - Average daylight in June:
15h and 42min
- Average daylight in July:
15h and 18min - Average daylight in August:
14h and 6min - Average daylight in September:
12h and 30min - Average daylight in October:
10h and 54min - Average daylight in November:
9h and 30min - Average daylight in December:
8h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 36min - Average sunshine in March:
5h and 6min - Average sunshine in April:
6h and 30min - Average sunshine in May:
8h and 54min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 30min - Average sunshine in September:
7h and 42min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 12min - Average sunshine in December:
3h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Rock, MI
- Average sunshine days in January:
10.9 days - Average sunshine days in February:
9.9 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
12.7 days - Average sunshine days in May:
13 days - Average sunshine days in June:
14.3 days
- Average sunshine days in July:
13.2 days - Average sunshine days in August:
13.6 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
13.1 days - Average sunshine days in November:
14 days - Average sunshine days in December:
12.4 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (9.9 days).
Average UV index
Rock, MI
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover
Rock, MI
The month with the most cloud cover is February (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility
Rock, MI
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).
