August weather forecast
South Milwaukee, WI

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Weather in August

August, the last month of the summer in South Milwaukee, is also a moderately hot month, with an average temperature varying between 75.7°F (24.3°C) and 64.8°F (18.2°C).

Temperature

The transition into August notes an average high-temperature of a still moderately hot 75.7°F (24.3°C), revealing a mild distinction from the 75.9°F (24.4°C) in July. In the month of August, South Milwaukee's average low-temperature falls to a comfortable 64.8°F (18.2°C).

Humidity

In August, the average relative humidity is 77%.

Rainfall

In South Milwaukee, in August, it is raining for 15.4 days, with typically 2.13" (54mm) of accumulated precipitation. Throughout the year, there are 131.9 rainfall days, and 18.54" (471mm) of precipitation is accumulated.

Snowfall

In South Milwaukee, snow does not fall in May through September.

Daylight

In South Milwaukee, the average length of the day in August is 13h and 53min.
On the first day of August, sunrise is at 5:43 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:27 pm CDT.

Sunshine

In South Milwaukee, the average sunshine in August is 10.5h.

UV index

In South Milwaukee, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In August, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in August?

In South Milwaukee, 75.7°F (24.3°C) is the average high-temperature and 64.8°F (18.2°C) is the average low-temperature during August.

What is the average humidity in August?

In South Milwaukee, the average relative humidity in August is 77%.

How many days does it rain in August?

In August, in South Milwaukee, the rain falls for 15.4 days. Throughout August, 2.13" (54mm) of precipitation is accumulated.

When it does not snow?

In South Milwaukee, snow does not fall in May through September.

What is the average length of the day in August?

In South Milwaukee, the average day length in August is 13h and 53min.

When is the sunrise / sunset in August in South Milwaukee?

On the first day of August, sunrise is at 5:43 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:27 pm CDT.

How many hours of sunshine does South Milwaukee have in August?

The average sunshine duration in August is 10.5h.

What is the UV index intensity in August?

In South Milwaukee, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
South Milwaukee, WI

Average temperature in August - South Milwaukee, WI
  • Average high temperature in August: 75.7°F

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in August: 64.8°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in August
South Milwaukee, WI

Average pressure in August - South Milwaukee, WI
  • Average pressure in August: 29.97"Hg

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).

Average wind speed in August
South Milwaukee, WI

Average wind speed in August - South Milwaukee, WI
  • Average wind speed in August: 7.9mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in August
South Milwaukee, WI

Average humidity in August - South Milwaukee, WI
  • Average humidity in August: 77%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in August
South Milwaukee, WI

Average rainfall in August - South Milwaukee, WI
  • Average rainfall in August: 2.13"

The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in August
South Milwaukee, WI

Average rainfall days in August - South Milwaukee, WI
  • Average rainfall days in August: 15.4 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in August
South Milwaukee, WI

Average snowfall in August - South Milwaukee, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in August
South Milwaukee, WI

Average snowfall days in August - South Milwaukee, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
South Milwaukee, WI

Average daylight in August / Average sunshine in August - South Milwaukee, WI
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in August: 10h and 3min

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

Average sunshine days in August
South Milwaukee, WI

Average sunshine days in August - South Milwaukee, WI
  • Average sunshine days in August: 12.7 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in August
South Milwaukee, WI

Average UV index in August - South Milwaukee, WI
  • Average UV index in August: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in August
South Milwaukee, WI

Average cloud cover in August - South Milwaukee, WI
  • Average cloud cover in August: 27

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in August
South Milwaukee, WI

Average visibility in August - South Milwaukee, WI
  • Average visibility in August: 6mi

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).

South Milwaukee, Wisconsin, USA

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