August weather forecast
Wauwatosa, WI

Weather in August

August, the last month of the summer in Wauwatosa, is another warm month, with an average temperature varying between 77°F (25°C) and 63.9°F (17.7°C).

Temperature

In August, the average high-temperature is essentially the same as in July - a still warm 77°F (25°C). In Wauwatosa, the average low-temperature is 63.9°F (17.7°C).

Humidity

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

Rainfall

In Wauwatosa, it is raining for 8.7 days, with typically 0.55" (14mm) of accumulated precipitation. Throughout the year, in Wauwatosa, there are 75.6 rainfall days, and 5.83" (148mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In August, the average length of the day in Wauwatosa is 13h and 53min.
On the first day of August, sunrise is at 5:43 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:28 pm CDT.

Sunshine

July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Wauwatosa.

UV index

In Wauwatosa, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in August in Wauwatosa?

In Wauwatosa, Wisconsin, the average relative humidity in August is 77%.

How many days does it rain in August in Wauwatosa?

In Wauwatosa, during August, the rain falls for 8.7 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When it does not snow in Wauwatosa?

May through September are months without snowfall in Wauwatosa.

How many hours of daylight does Wauwatosa have in August?

The average day length in August in Wauwatosa, Wisconsin, is 13h and 53min.

What time are sunrise and sunset in August in Wauwatosa?

On the first day of August in Wauwatosa, sunrise is at 5:43 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:28 pm CDT.

What are the months with the most sunshine in Wauwatosa?

July and August, with an average of 10.4h of sunshine, are months with the most sunshine in Wauwatosa, Wisconsin.

How many hours of sunshine does Wauwatosa have in August?

In Wauwatosa, the average sunshine duration in August is 10.4h.

What is the UV index reading in August in Wauwatosa?

In Wauwatosa, the average daily maximum UV index in August is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Wauwatosa, WI

Average temperature in August - Wauwatosa, WI
  • Average high temperature in August: 77°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (26.1°F).

  • Average low temperature in August: 63.9°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).

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Average pressure in August
Wauwatosa, WI

Average pressure in August - Wauwatosa, 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).

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Average wind speed in August
Wauwatosa, WI

Average wind speed in August - Wauwatosa, WI
  • Average wind speed in August: 7.2mph

The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).

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Average humidity in August
Wauwatosa, WI

Average humidity in August - Wauwatosa, WI
  • Average humidity in August: 77%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).

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Average rainfall in August
Wauwatosa, WI

Average rainfall in August - Wauwatosa, WI
  • Average rainfall in August: 0.55"

The wettest month (with the highest rainfall) is July (0.75").
The driest months (with the least rainfall) are February and December (0.28").

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Average rainfall days in August
Wauwatosa, WI

Average rainfall days in August - Wauwatosa, WI
  • Average rainfall days in August: 8.7 days

The month with the highest number of rainy days is June (9.9 days).
The months with the least rainy days are January and February (1.8 days).

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Average snowfall in August
Wauwatosa, WI

Average snowfall in August - Wauwatosa, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in August
Wauwatosa, WI

Average snowfall days in August - Wauwatosa, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in August /
Average sunshine in August
Wauwatosa, WI

Average daylight in August / Average sunshine in August - Wauwatosa, WI
  • Average daylight in August: 13h and 53min

The month with the longest days is June (Average daylight: 15h and 19min).
The month with the shortest days is December (Average daylight: 9h and 4min).

  • Average sunshine in August: 10h and 24min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in August
Wauwatosa, WI

Average sunshine days in August - Wauwatosa, WI
  • Average sunshine days in August: 20.1 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (17.3 days).

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Average UV index in August
Wauwatosa, WI

Average UV index in August - Wauwatosa, WI
  • Average UV index in August: 5

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

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Average cloud cover in August
Wauwatosa, WI

Average cloud cover in August - Wauwatosa, 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
Wauwatosa, WI

Average visibility in August - Wauwatosa, 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).

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