Climate and monthly weather forecastWillis, MI
Climate and monthly weather forecast
Weather in January
January, the same as December, in Willis, Michigan, is a freezing cold winter month, with an average temperature fluctuating between 18°F (-7.8°C) and 29.5°F (-1.4°C). With an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month. Weather in January »Weather in February
The last month of the winter, February, is also a subzero cold month in Willis, Michigan, with an average temperature varying between 19.8°F (-6.8°C) and 31.6°F (-0.2°C). With the onset of February, the average high-temperature registers at a still freezing cold 31.6°F (-0.2°C), subtly different from January's 29.5°F (-1.4°C). Weather in February »Weather in March
The first month of the spring, March, is a frosty month in Willis, Michigan, with an average temperature ranging between max 42.8°F (6°C) and min 28.8°F (-1.8°C). Willis's weather in March presents a rise in the average high-temperature, moving from a subzero cold 31.6°F (-0.2°C) in February to a chilly 42.8°F (6°C). Weather in March »Weather in April
April is a cool spring month in Willis, Michigan, with an average temperature fluctuating between 54.9°F (12.7°C) and 38.7°F (3.7°C). Willis's transition into April is marked by a temperature shift, moving from a chilly 42.8°F (6°C) in March to a cool 54.9°F (12.7°C). Weather in April »Weather in May
The last month of the spring, May, is a refreshing month in Willis, Michigan, with an average temperature ranging between max 67.6°F (19.8°C) and min 50.4°F (10.2°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's cool 54.9°F (12.7°C) to an enjoyable 67.6°F (19.8°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Willis, Michigan, with an average temperature varying between 75.7°F (24.3°C) and 58.5°F (14.7°C). Entering June, Willis notices a subtle temperature elevation, with the average high-temperature advancing from May's refreshing 67.6°F (19.8°C) to a warm 75.7°F (24.3°C). Weather in June »Weather in July
July, the same as June, is another warm summer month in Willis, Michigan, with an average temperature ranging between min 63.1°F (17.3°C) and max 80.1°F (26.7°C). With average high and low temperatures of 80.1°F (26.7°C) and 63.1°F (17.3°C) respectively, July is Willis's warmest month. Weather in July »Weather in August
August, the last month of the summer in Willis, is another warm month, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 78.4°F (25.8°C). In August, Willis's weather conditions record an average high-temperature of a still moderately hot 78.4°F (25.8°C), demonstrating little divergence from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Willis, is still a pleasant month, with an average temperature ranging between max 72.5°F (22.5°C) and min 55.6°F (13.1°C). In the transition to September, Willis observes a minor drop in the average high-temperature, shifting from a moderately hot 78.4°F (25.8°C) in August to a pleasant 72.5°F (22.5°C). Weather in September »Weather in October
October, the same as September, in Willis, Michigan, is another mild autumn month, with an average temperature fluctuating between 59.5°F (15.3°C) and 45.5°F (7.5°C). The arrival of October signals a shift in temperature, down from an agreeable 72.5°F (22.5°C) in September to a refreshing 59.5°F (15.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Willis, Michigan, with an average temperature varying between 34°F (1.1°C) and 45.9°F (7.7°C). November brings a drop in Willis's average high-temperature, falling from a refreshing 59.5°F (15.3°C) in October to a chilly 45.9°F (7.7°C). Weather in November »Weather in December
December, the first month of the winter in Willis, is also an icy month, with an average temperature varying between 26.2°F (-3.2°C) and 34.9°F (1.6°C). The decrease of average high-temperatures is mild in December, with a decline from a frosty 45.9°F (7.7°C) in November to an icy 34.9°F (1.6°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
With an average high-temperature of 29.5°F (-1.4°C) and an average low-temperature of 18°F (-7.8°C), January is the coldest month.
The months with the highest humidity in Willis are January and February, with an average relative humidity of 85%.
Throughout the year, there are 85.1 rainfall days, and 5.98" (152mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
January is the month with the most snowfall. Snow falls for 9.1 days and accumulates 0.87" (22mm) of snow.
Throughout the year, there are 29.9 snowfall days, and 2.44" (62mm) of snow is accumulated.
With an average of 3h of sunshine, January has the least sunshine of the year.
March, April and October, with an average relative humidity of 76%, are the least humid months.
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 month with the most rainfall in Willis, Michigan. Rain falls for 10.2 days and accumulates 0.75" (19mm) of precipitation.
In Willis, snow does not fall in May through October.
The month with the longest days is June, with an average of 15h and 12min of daylight.
The months with the highest UV index in Willis, Michigan, are June through August, with an average maximum UV index of 6.
Willis, Michigan, experiences its highest temperatures in July, with an average peak of 80.1°F (26.7°C) and a low of 63.1°F (17.3°C).
July has the most sunshine of the year in Willis, with an average of 10.4h of sunshine.
September is the month with the least rainfall in Willis, Michigan. Rain falls for 7 days and accumulates 0.28" (7mm) of precipitation.
December has the shortest days of the year in Willis, Michigan, with an average of 9h and 12min of daylight.
With an average maximum UV index of 1, December is the month with the lowest UV index in Willis, Michigan.
Average temperature
Willis, MI
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.5°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure
Willis, MI
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.98"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.08"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Willis, MI
- Average wind speed in January:
10.2mph - Average wind speed in February:
10mph - Average wind speed in March:
9.4mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.4mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.6mph - Average wind speed in December:
9.6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity
Willis, MI
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are March, April and October (76%).
Average rainfall
Willis, MI
- Average rainfall in January:
0.31" - Average rainfall in February:
0.31" - Average rainfall in March:
0.43" - Average rainfall in April:
0.67" - Average rainfall in May:
0.75" - Average rainfall in June:
0.63"
- Average rainfall in July:
0.67" - Average rainfall in August:
0.67" - Average rainfall in September:
0.28" - Average rainfall in October:
0.59" - Average rainfall in November:
0.35" - Average rainfall in December:
0.31"
The wettest month (with the highest rainfall) is May (0.75").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days
Willis, MI
- Average rainfall days in January:
3.6 days - Average rainfall days in February:
3.5 days - Average rainfall days in March:
6.7 days - Average rainfall days in April:
10.2 days - Average rainfall days in May:
10.2 days - Average rainfall days in June:
9.1 days
- Average rainfall days in July:
9.7 days - Average rainfall days in August:
8.1 days - Average rainfall days in September:
7 days - Average rainfall days in October:
6.8 days - Average rainfall days in November:
5.4 days - Average rainfall days in December:
4.8 days
The months with the highest number of rainy days are April and May (10.2 days).
The month with the least rainy days is February (3.5 days).
Average snowfall
Willis, MI
The month with the highest snowfall is January (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Willis, MI
- Average snowfall days in January:
9.1 days - Average snowfall days in February:
6.9 days - Average snowfall days in March:
3.5 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.1 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:
0.1 days - Average snowfall days in November:
3.4 days - Average snowfall days in December:
5.5 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Willis, MI
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
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 12min).
- Average sunshine in January:
3h and 0min - Average sunshine in February:
3h and 54min - Average sunshine in March:
5h and 42min - Average sunshine in April:
7h and 12min - Average sunshine in May:
8h and 42min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
8h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
4h and 48min - Average sunshine in December:
3h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days
Willis, MI
- Average sunshine days in January:
22.3 days - Average sunshine days in February:
19.6 days - Average sunshine days in March:
21.3 days - Average sunshine days in April:
17.4 days - Average sunshine days in May:
18 days - Average sunshine days in June:
17.8 days
- Average sunshine days in July:
17.9 days - Average sunshine days in August:
19.7 days - Average sunshine days in September:
20.5 days - Average sunshine days in October:
21.7 days - Average sunshine days in November:
21.8 days - Average sunshine days in December:
23.6 days
The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is April (17.4 days).
Average UV index
Willis, MI
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
Willis, MI
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Willis, MI
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
