Climate and monthly weather forecast
Willis, MI

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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 »
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Frequently asked questions

What part of the year is the coldest in Willis?

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.

What is the most humid month in Willis?

The months with the highest humidity in Willis are January and February, with an average relative humidity of 85%.

How much does it rain in Willis?

Throughout the year, there are 85.1 rainfall days, and 5.98" (152mm) of precipitation is accumulated.

When does it snow in Willis?

Months with snowfall are January through April, November and December.

When does it snow the most in Willis?

January is the month with the most snowfall. Snow falls for 9.1 days and accumulates 0.87" (22mm) of snow.

How many days does it snow in Willis?

Throughout the year, there are 29.9 snowfall days, and 2.44" (62mm) of snow is accumulated.

What is the month with the least sunshine in Willis?

With an average of 3h of sunshine, January has the least sunshine of the year.

What are the least humid months in Willis?

March, April and October, with an average relative humidity of 76%, are the least humid months.

When is Daylight Saving Time (DST) in Willis?

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.

What is the wettest month in Willis?

May is the month with the most rainfall in Willis, Michigan. Rain falls for 10.2 days and accumulates 0.75" (19mm) of precipitation.

When it does not snow in Willis?

In Willis, snow does not fall in May through October.

When are the longest days in Willis?

The month with the longest days is June, with an average of 15h and 12min of daylight.

When is the highest UV index in Willis?

The months with the highest UV index in Willis, Michigan, are June through August, with an average maximum UV index of 6.

What time of the year is the hottest in Willis?

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).

What month has the most sunshine in Willis?

July has the most sunshine of the year in Willis, with an average of 10.4h of sunshine.

What is the driest month in Willis?

September is the month with the least rainfall in Willis, Michigan. Rain falls for 7 days and accumulates 0.28" (7mm) of precipitation.

What is the month with the shortest days in Willis?

December has the shortest days of the year in Willis, Michigan, with an average of 9h and 12min of daylight.

When is the lowest UV index in Willis?

With an average maximum UV index of 1, December is the month with the lowest UV index in Willis, Michigan.

Average temperature
Willis, MI

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).

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Average pressure
Willis, MI

Average pressure - Willis, MI

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Willis, MI

Average wind speed - Willis, MI

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).

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Average humidity
Willis, MI

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%).

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Average rainfall
Willis, MI

Average rainfall - Willis, MI

The wettest month (with the highest rainfall) is May (0.75").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days
Willis, MI

Average rainfall days - Willis, MI

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).

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Average snowfall
Willis, MI

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").

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Average snowfall days
Willis, MI

Average snowfall days - Willis, MI

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).

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Average daylight / Average sunshine
Willis, MI

Average daylight / Average sunshine - Willis, MI

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).

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).

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Average sunshine days
Willis, MI

Average sunshine days - Willis, MI

The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is April (17.4 days).

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Average visibility
Willis, MI

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).

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Willis, Michigan, USA

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