Milwaukee
Wisconsin, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Milwaukee, WI

A view of the modern Milwaukee City in Wisconsin, from Lake Michigan and over the pier
A view of the modern Milwaukee City in Wisconsin, from Lake Michigan and over the pier
January, like December, is another subzero cold winter month in Milwaukee, Wisconsin, with average temperature varying between 15.6°F (-9.1°C) and 28.9°F (-1.7°C). The coldest month is January, with an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 15.6°F (-9.1°C). Weather in January »
The last month of the winter, February, is a cold month in Milwaukee, Wisconsin, with average temperature fluctuating between 32.5°F (0.3°C) and 19.2°F (-7.1°C). In February, the average high-temperature is essentially the same as in January - a wintry 32.5°F (0.3°C). Weather in February »

March, the first month of the spring, in Milwaukee, is also a wintry month, with average temperature ranging between max 42.4°F (5.8°C) and min 27.7°F (-2.4°C). In March, the average high-temperature increases, from 32.5°F (0.3°C) in February, to a still cold 42.4°F (5.8°C). Weather in March »

April is a cool spring month in Milwaukee, Wisconsin, with average temperature fluctuating between 37.2°F (2.9°C) and 53.8°F (12.1°C). In April, the average high-temperature increases, from a cold 42.4°F (5.8°C) in March, to a fresh 53.8°F (12.1°C). Weather in April »

May, the last month of the spring, in Milwaukee, is a comfortable month, with average temperature fluctuating between 46.6°F (8.1°C) and 64.9°F (18.3°C). In Milwaukee, the average high-temperature increases, from a cool 53.8°F (12.1°C) in April, to an enjoyable 64.9°F (18.3°C). Weather in May »

The first month of the summer, June, is a warm month in Milwaukee, Wisconsin, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 75.4°F (24.1°C). In June, the average high-temperature increases, from a comfortable 64.9°F (18.3°C) in May, to a warm 75.4°F (24.1°C). Weather in June »

July, the same as June, is another warm summer month in Milwaukee, Wisconsin, with average temperature varying between 63.5°F (17.5°C) and 80.1°F (26.7°C). The warmest month is July, with an average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 63.5°F (17.5°C). Weather in July »

August, the last month of the summer, in Milwaukee, is also a moderately hot month, with average temperature fluctuating between 78.4°F (25.8°C) and 63°F (17.2°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 78.4°F (25.8°C). Weather in August »

September, the first month of the autumn, in Milwaukee, is still a pleasant month, with average temperature varying between 54.9°F (12.7°C) and 71.2°F (21.8°C). In September, the average high-temperature marginally drops, from a moderately hot 78.4°F (25.8°C) in August, to a pleasant 71.2°F (21.8°C). Weather in September »

October, the same as September, in Milwaukee, Wisconsin, is a moderate autumn month, with average temperature fluctuating between 59.4°F (15.2°C) and 43.2°F (6.2°C). In Milwaukee, the average high-temperature decreases, from an agreeable 71.2°F (21.8°C) in September, to a moderate 59.4°F (15.2°C). Weather in October »

November, the last month of the autumn, in Milwaukee, is another chilly month, with average temperature ranging between min 32°F (0°C) and max 46°F (7.8°C). In Milwaukee, the average high-temperature drops, from a moderate 59.4°F (15.2°C) in October, to a frosty 46°F (7.8°C). Weather in November »

December, the first month of the winter, in Milwaukee, is also a wintry month, with temperature in the range of an average high of 32.7°F (0.4°C) and an average low of 20.1°F (-6.6°C). In December, the average high-temperature decreases, from a chilly 46°F (7.8°C) in November, to a cold 32.7°F (0.4°C). Weather in December »

What is the coldest month in Milwaukee?

With an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 15.6°F (-9.1°C), January is the coldest month.

How much does it rain in Milwaukee?

In Milwaukee, during the entire year, the rain falls for 126.7 days and collects up to 34.8" (882.9mm) of precipitation.

When does it snow in Milwaukee?

Months with snowfall in Milwaukee are January through May, October through December.

How many days does it snow in Milwaukee?

Throughout the year, there are 35.3 snowfall days, and 46.9" (1191.2mm) of snow is accumulated.

When does it snow the most in Milwaukee?

The month with the most snowfall in Milwaukee, Wisconsin, is January when snow falls for 9.8 days and typically aggregates up to 14.7" (373.4mm) of snow.

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

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

What is the driest month in Milwaukee?

February is the month with the least rainfall in Milwaukee. Rain falls for 9.7 days and accumulates 1.6" (41.9mm) of precipitation.

When is the ocean coldest in Milwaukee?

With an average ocean temperature of 36°F (2.2°C), February is the month with the coldest seawater in Milwaukee, Wisconsin. For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the least humid month in Milwaukee?

Months with the lowest humidity are April and May, with an average relative humidity of 68.5%.

When are the longest days in Milwaukee?

With an average of 15.3h of daylight, June has the longest days of the year in Milwaukee, Wisconsin.

What are the months with the highest UV index in Milwaukee?

Months with the highest UV index are June through August, with an average maximum UV index of 8.

What is the warmest month in Milwaukee?

With an average high-temperature of 80.1°F (26.7°C) and an average low-temperature of 63.5°F (17.5°C), July is the warmest month in Milwaukee.

What month has the most sunshine in Milwaukee?

With an average of 10.4h of sunshine, July has the most sunshine of the year.

What is the wettest month in Milwaukee?

The month with the most rainfall is August when the rain falls for 9.5 days and typically aggregates up to 4" (100.8mm) of precipitation.

When is the ocean warmest in Milwaukee?

With an average ocean temperature of 72°F (22.2°C), August is the month with the warmest seawater in Milwaukee. For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 72°F (22.2°C).

What is the most humid month in Milwaukee?

With an average relative humidity of 75.9%, December is the most humid month.

What is the month with the shortest days in Milwaukee?

The month with the shortest days is December, with an average of 9.1h of daylight.

What is the month with the least sunshine in Milwaukee?

December has the least sunshine of the year, with an average of 3.4h of sunshine.
Average temperature - Milwaukee, WI
Average humidity - Milwaukee, WI

The month with the highest relative humidity is December (75.9%).
Months with the lowest relative humidity are April and May (68.5%).

Average rainfall - Milwaukee, WI
Average rainfall days - Milwaukee, WI

The month with the highest number of rainy days is April (12.1 days).
The month with the lowest number of rainy days is September (8.8 days).

Average snowfall - Milwaukee, WI
Average snowfall days - Milwaukee, WI

The month with the highest number of snowfall days is January (9.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature - Milwaukee, WI

The best month for swimming (with the highest average sea temperature) is August (71.9°F).
The coldest month (with the lowest average sea temperature) is February (36°F).

Average daylight / Average sunshine - Milwaukee, WI