August weather forecast
Appleton, WI

Colorful trees and neat lawns in Lawrence University in Appleton, Wisconsin, the river, and the rest of the city
Colorful trees and neat lawns in Lawrence University in Appleton, Wisconsin, the river, and the rest of the city

Weather in August

August, the last month of the summer in Appleton, is also a moderately hot month, with an average temperature ranging between max 77.4°F (25.2°C) and min 59.5°F (15.3°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderately hot 77.4°F (25.2°C). In August, in Appleton, the average low-temperature is 59.5°F (15.3°C).

Humidity

The average relative humidity in August is 78%.

Rainfall

In August, the rain falls for 12.8 days. Throughout August, 1.85" (47mm) of precipitation is accumulated. In Appleton, Wisconsin, during the entire year, the rain falls for 131.1 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

In Appleton, snow does not fall in June through September.

Daylight

The average length of the day in August in Appleton is 13h and 58min.
On the first day of August in Appleton, sunrise is at 5:41 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 7:32 pm CDT.

Sunshine

In August, the average sunshine is 9.8h.

UV index

The months with the highest UV index in Appleton are May through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 5 in August interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in August in Appleton?

The average high-temperature, in August, in Appleton, Wisconsin, is 77.4°F (25.2°C), while the average low-temperature is 59.5°F (15.3°C).

What is the average humidity in August in Appleton?

The average relative humidity in August in Appleton is 78%.

How much does it rain in Appleton in August?

In Appleton, in August, it is raining for 12.8 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Appleton?

June through September are months without snowfall in Appleton.

What is the average length of the day in August in Appleton?

In August, the average day length in Appleton is 13h and 58min.

When is the sunrise / sunset in August in Appleton?

In August, on the first day of the month, sunrise is at 5:41 am and sunset at 8:18 pm. On the last day of the month, in Appleton, Wisconsin, sunrise is at 6:15 am and sunset at 7:32 pm CDT.

How many hours of sunshine does Appleton have in August?

The average sunshine duration in August in Appleton, Wisconsin, is 9.8h.

What is the month with the highest UV index in Appleton?

The months with the highest UV index in Appleton, Wisconsin, are May through August, with an average maximum UV index of 5.

How high is the UV index in August in Appleton?

In Appleton, Wisconsin, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in August
Appleton, WI

Average temperature in August - Appleton, WI
  • Average high temperature in August: 77.4°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (21.9°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in August
Appleton, WI

Average pressure in August - Appleton, WI
  • Average pressure in August: 29.96"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
Appleton, WI

Average wind speed in August - Appleton, WI
  • Average wind speed in August: 7.1mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).

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Average humidity in August
Appleton, WI

Average humidity in August - Appleton, WI
  • Average humidity in August: 78%

The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in August
Appleton, WI

Average rainfall in August - Appleton, WI
  • Average rainfall in August: 1.85"

The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is February (1.06").

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Average rainfall days in August
Appleton, WI

Average rainfall days in August - Appleton, WI
  • Average rainfall days in August: 12.8 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.9 days).

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Average snowfall in August
Appleton, WI

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

The month with the highest snowfall is January (5.79").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Appleton, WI

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

The month with the highest number of snowfall days is January (14.2 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
Appleton, WI

Average daylight in August / Average sunshine in August - Appleton, WI
  • Average daylight in August: 13h and 58min

The month with the longest days is June (Average daylight: 15h and 28min).
The month with the shortest days is December (Average daylight: 8h and 56min).

  • Average sunshine in August: 9h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).

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Average sunshine days in August
Appleton, WI

Average sunshine days in August - Appleton, WI
  • Average sunshine days in August: 14.8 days

The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is April (11.8 days).

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Average UV index in August
Appleton, WI

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

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

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Average cloud cover in August
Appleton, WI

Average cloud cover in August - Appleton, WI
  • Average cloud cover in August: 33

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in August
Appleton, WI

Average visibility in August - Appleton, WI
  • Average visibility in August: 6mi

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

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