August weather forecast
Menomonee Falls, WI

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Weather in August

August leads the retreat from the peak summer season. The temperature, UV index, and daylight hours scale back compared to July. Nonetheless, August still upholds the warmth and beauty of summer. The low wind speed and the drop in temperatures, compared to the previous month, complement well with the occasional summer showers. Despite the hint of shift, the summer charm remains intact throughout August.

Temperature

August in Menomonee Falls observes an average high-temperature of a still warm 76.6°F (24.8°C), marking an insignificant difference from July's 77.5°F (25.3°C). Menomonee Falls encounters an average low-temperature of 61.9°F (16.6°C) during August nights.

Humidity

The average relative humidity in August is 79%.

Rainfall

In Menomonee Falls, in August, during 14.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. Throughout the year, there are 139.2 rainfall days, and 25.28" (642mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Menomonee Falls, the average length of the day in August is 13h and 54min.
On the first day of the month, sunrise is at 5:43 am and sunset at 8:13 pm. On the last day of August, in Menomonee Falls, sunrise is at 6:16 am and sunset at 7:28 pm CDT.

Sunshine

The average sunshine in August in Menomonee Falls is 10.4h.

UV index

In Menomonee Falls, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In August, an average UV index of 5 transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What are the temperatures in Menomonee Falls in August?

The high-temperature during August is 76.6°F (24.8°C) and the low-temperature is 61.9°F (16.6°C).

What is the average humidity in August in Menomonee Falls?

The average relative humidity in August in Menomonee Falls, Wisconsin, is 79%.

How many days does it rain in August in Menomonee Falls?

In August, in Menomonee Falls, Wisconsin, the rain falls for 14.5 days. Throughout August, 2.2" (56mm) of precipitation is accumulated.

When it does not snow in Menomonee Falls?

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

How many hours of daylight does Menomonee Falls have in August?

In August, the average day length in Menomonee Falls, Wisconsin, is 13h and 54min.

When is the sunrise / sunset in August in Menomonee Falls?

In August, on the first day of the month, sunrise is at 5:43 am and sunset at 8:13 pm. On the last day of the month, in Menomonee Falls, sunrise is at 6:16 am and sunset at 7:28 pm CDT.

How long on average sun shines in August in Menomonee Falls?

In August, the average sunshine duration in Menomonee Falls, Wisconsin, is 10.4h.

What is the UV index intensity in August in Menomonee Falls?

The average daily maximum UV index in August in Menomonee Falls is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Menomonee Falls, WI

Average temperature in August - Menomonee Falls, WI
  • Average high temperature in August: 76.6°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (25.2°F).

  • Average low temperature in August: 61.9°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 (14.4°F).

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Average pressure in August
Menomonee Falls, WI

Average pressure in August - Menomonee Falls, 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 (29.91"Hg).

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Average wind speed in August
Menomonee Falls, WI

Average wind speed in August - Menomonee Falls, WI
  • Average wind speed in August: 7mph

The windiest month (with the highest average wind speed) is January (11.1mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).

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Average humidity in August
Menomonee Falls, WI

Average humidity in August - Menomonee Falls, WI
  • Average humidity in August: 79%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is October (76%).

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Average rainfall in August
Menomonee Falls, WI

Average rainfall in August - Menomonee Falls, WI
  • Average rainfall in August: 2.2"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.02").

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Average rainfall days in August
Menomonee Falls, WI

Average rainfall days in August - Menomonee Falls, WI
  • Average rainfall days in August: 14.5 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (4.1 days).

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Average snowfall in August
Menomonee Falls, WI

Average snowfall in August - Menomonee Falls, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (4.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Menomonee Falls, WI

Average snowfall days in August - Menomonee Falls, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Menomonee Falls, WI

Average daylight in August / Average sunshine in August - Menomonee Falls, 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 2min

The month with the most sunshine is July (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 in August
Menomonee Falls, WI

Average sunshine days in August - Menomonee Falls, WI
  • Average sunshine days in August: 13.1 days

The month with the most sunshine days is December (15.9 days).
The month with the least sunshine days is April (12 days).

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Average UV index in August
Menomonee Falls, WI

Average UV index in August - Menomonee Falls, 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, November and December (UV index 1).

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Average cloud cover in August
Menomonee Falls, WI

Average cloud cover in August - Menomonee Falls, WI
  • Average cloud cover in August: 28

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 28).

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Average visibility in August
Menomonee Falls, WI

Average visibility in August - Menomonee Falls, WI
  • Average visibility in August: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

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Menomonee Falls, Wisconsin, USA

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