August weather forecast
Germantown, WI

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Weather in August

The last month of the summer, August, is another warm month in Germantown, Wisconsin, with temperature in the range of an average high of 76.6°F and an average low of 61.9°F.

Temperature

With the onset of August, a modest change to a still moderately hot 76.6°F from July's 77.5°F is noted in high-temperature. During August, Germantown observes a consistent average nighttime temperature of 61.9°F.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In Germantown, in August, during 14.5 rainfall days, 2.2" of precipitation is typically accumulated. In Germantown, during the entire year, the rain falls for 139.2 days and collects up to 25.28" of precipitation.

Snowfall

May through September are months without snowfall.

Daylight

In Germantown, the average length of the day in August is 13h and 54min.
On the first day of August in Germantown, Wisconsin, sunrise is at 5:42 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:29 pm CDT.

Sunshine

In August, the average sunshine is 10.4h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A daily high UV index of 5 in August leads to these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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FAQ

What is the usual temperature for Germantown in August?

Germantown in August has an average high-temperature of 76.6°F and an average low-temperature of 61.9°F.

What is the average humidity in August in Germantown?

The average relative humidity in August in Germantown is 79%.

How many days does it rain in August in Germantown?

In Germantown, in August, it is raining for 14.5 days, with typically 2.2" of accumulated precipitation.

When it does not snow in Germantown?

In Germantown, snow does not fall in May through September.

How many hours of daylight does Germantown have in August?

The average day length in August in Germantown is 13h and 54min.

What time are sunrise and sunset in August in Germantown?

In August, on the first day of the month, sunrise is at 5:42 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:29 pm CDT.

How many hours of sunshine does Germantown have in August?

The average sunshine duration in August in Germantown is 10.4h.

What is the UV index reading in August in Germantown?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Germantown, WI

Average temperature in August - Germantown, 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
Germantown, WI

Average pressure in August - Germantown, 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
Germantown, WI

Average wind speed in August - Germantown, 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
Germantown, WI

Average humidity in August - Germantown, 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
Germantown, WI

Average rainfall in August - Germantown, 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
Germantown, WI

Average rainfall days in August - Germantown, 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
Germantown, WI

Average snowfall in August - Germantown, 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
Germantown, WI

Average snowfall days in August - Germantown, 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
Germantown, WI

Average daylight in August / Average sunshine in August - Germantown, 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 0min).

  • 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
Germantown, WI

Average sunshine days in August - Germantown, 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
Germantown, WI

Average UV index in August - Germantown, 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
Germantown, WI

Average cloud cover in August - Germantown, 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
Germantown, WI

Average visibility in August - Germantown, 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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Germantown, Wisconsin, USA

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