Climate and monthly weather forecast
Mequon, WI

Weather in January

January, like December, is a freezing cold winter month in Mequon, Wisconsin, with an average temperature varying between 25.9°F (-3.4°C) and 16.2°F (-8.8°C). January is the coldest month, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 16.2°F (-8.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Mequon, Wisconsin, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 28.2°F (-2.1°C). In Mequon, the average high-temperature in February is practically the same as in January - a still subzero cold 28.2°F (-2.1°C). Weather in February »

Weather in March

March, the first month of the spring in Mequon, is a wintry month, with an average temperature varying between 28.8°F (-1.8°C) and 39.2°F (4°C). In March, the average high-temperature rises from a subzero cold 28.2°F (-2.1°C) in February to a wintry 39.2°F (4°C). Weather in March »

Weather in April

April is a chilly spring month in Mequon, Wisconsin, with an average temperature ranging between max 48.9°F (9.4°C) and min 37.2°F (2.9°C). In April, the average high-temperature increases from a cold 39.2°F (4°C) in March to a chilly 48.9°F (9.4°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Mequon, Wisconsin, with temperature in the range of an average high of 60.4°F (15.8°C) and an average low of 46.9°F (8.3°C). In May, the average high-temperature increases from a frosty 48.9°F (9.4°C) in April to a moderate 60.4°F (15.8°C). Weather in May »

Weather in June

June, the first month of the summer in Mequon, is an agreeable month, with an average temperature ranging between max 70.2°F (21.2°C) and min 56.7°F (13.7°C). In June, the average high-temperature rises from a mild 60.4°F (15.8°C) in May to an agreeable 70.2°F (21.2°C). Weather in June »

Weather in July

July is a moderately hot summer month in Mequon, Wisconsin, with an average temperature ranging between max 77°F (25°C) and min 64°F (17.8°C). July is the warmest month, with an average high-temperature of 77°F (25°C) and an average low-temperature of 64°F (17.8°C). Weather in July »

Weather in August

August, the last month of the summer in Mequon, is another warm month, with an average temperature fluctuating between 76.3°F (24.6°C) and 63.1°F (17.3°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 76.3°F (24.6°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Mequon, Wisconsin, with temperature in the range of an average low of 56.5°F (13.6°C) and an average high of 69.8°F (21°C). In Mequon, the average high-temperature in September slightly decreases from a moderately hot 76.3°F (24.6°C) in August to an agreeable 69.8°F (21°C). Weather in September »

Weather in October

October, like September, is a moderate autumn month in Mequon, Wisconsin, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 56.7°F (13.7°C). In October, the average high-temperature drops from a pleasant 69.8°F (21°C) in September to a mild 56.7°F (13.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Mequon, is also a frosty month, with an average temperature fluctuating between 32.9°F (0.5°C) and 43.7°F (6.5°C). In Mequon, the average high-temperature in November decreases from a moderate 56.7°F (13.7°C) in October to a frosty 43.7°F (6.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Mequon, Wisconsin, with an average temperature fluctuating between 23.7°F (-4.6°C) and 32.2°F (0.1°C). In Mequon, the average high-temperature in December decreases from a frosty 43.7°F (6.5°C) in November to a cold 32.2°F (0.1°C). Weather in December »
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FAQ

What is the coldest month in Mequon?

The coldest month in Mequon is January, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 16.2°F (-8.8°C).

What is the most humid month in Mequon?

With an average relative humidity of 86%, January is the most humid month.

How much does it rain in Mequon?

Throughout the year, in Mequon, Wisconsin, there are 136.6 rainfall days, and 21.69" (551mm) of precipitation is accumulated.

When does it snow in Mequon?

January through April, October through December are months with snowfall in Mequon.

When does it snow the most in Mequon?

January is the month with the most snowfall. Snow falls for 12.2 days and accumulates 2.76" (70mm) of snow.

How much does it snow in Mequon?

In Mequon, during the entire year, snow falls for 47.8 days and aggregates up to 11.57" (294mm) of snow.

What is the month with the least sunshine in Mequon?

With an average of 3.6h of sunshine, January has the least sunshine of the year.

What is the month with the lowest UV index in Mequon?

January and December, with an average maximum UV index of 1, are months with the lowest UV index.

What is the driest month in Mequon?

February and December are months with the least rain in Mequon, Wisconsin, when the rain falls for 4.3 days and typically aggregates up to 0.94" (24mm) of rain.

When is Daylight Saving Time (DST) in Mequon?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Mequon, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Mequon?

In Mequon, Wisconsin, snow does not fall in May through September.

When are the longest days in Mequon?

The month with the longest days is June, with an average of 15h and 20min of daylight.

What is the warmest month in Mequon?

July is the warmest month, with an average high-temperature of 77°F (25°C) and an average low-temperature of 64°F (17.8°C).

What is the wettest month in Mequon?

July is the month with the most rainfall. Rain falls for 15.7 days and accumulates 2.8" (71mm) of precipitation.

What are the months with the most sunshine in Mequon?

July and August, with an average of 10.5h of sunshine, are months with the most sunshine in Mequon, Wisconsin.

When is the highest UV index in Mequon?

With an average maximum UV index of 6, July is the month with the highest UV index.

What is the least humid month in Mequon?

The months with the lowest humidity in Mequon are October and November, with an average relative humidity of 76%.

What is the month with the shortest days in Mequon?

December has the shortest days of the year, with an average of 9h and 3min of daylight.

Average pressure
Mequon, WI

Average pressure - Mequon, WI

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Mequon, WI

Average wind speed - Mequon, WI

The windiest month (with the highest average wind speed) is January (11.7mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

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Average humidity
Mequon, WI

Average humidity - Mequon, WI

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are October and November (76%).

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Average rainfall
Mequon, WI

Average rainfall - Mequon, WI

The wettest month (with the highest rainfall) is July (2.8").
The driest months (with the least rainfall) are February and December (0.94").

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Average rainfall days
Mequon, WI

Average rainfall days - Mequon, WI

The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (4.3 days).

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Average snowfall
Mequon, WI

Average snowfall - Mequon, WI

The month with the highest snowfall is January (2.76").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Mequon, WI

Average snowfall days - Mequon, WI

The month with the highest number of snowfall days is January (12.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Mequon, WI

Average daylight / Average sunshine - Mequon, WI

The month with the longest days is June (Average daylight: 15h and 20min).
The month with the shortest days is December (Average daylight: 9h and 3min).

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

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Average sunshine days
Mequon, WI

Average sunshine days - Mequon, WI

The month with the most sunshine days is December (16.8 days).
The month with the least sunshine days is July (11.9 days).

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Average visibility
Mequon, WI

Average visibility - Mequon, WI

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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