August weather forecast
Athelstane, WI

Weather in August

August, the last month of the summer, in Athelstane, is also a moderately hot month, with average temperature fluctuating between 76.6°F (24.8°C) and 57°F (13.9°C).

Temperature

In August, the average high-temperature is almost the same as in July - a still moderately hot 76.6°F (24.8°C). The average low-temperature, in August, is 57°F (13.9°C).

Humidity

In August, the average relative humidity in Athelstane is 78%.

Rainfall

In Athelstane, during 13.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 122.9 rainfall days, and 21.34" (542mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Athelstane.

Daylight

In August, the average length of the day is 14h.

Sunshine

In August, the average sunshine in Athelstane, Wisconsin, is 9.7h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: In August, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in August in Athelstane?

The average relative humidity in August in Athelstane, Wisconsin, is 78%.

How many days does it rain in August in Athelstane?

In Athelstane, in August, during 13.7 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

When it does not snow in Athelstane?

June through September are months without snowfall in Athelstane, Wisconsin.

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

In August, the average length of the day in Athelstane, Wisconsin, is 14h.

How long on average sun shines in August in Athelstane?

In Athelstane, the average sunshine in August is 9.7h.

When is the highest UV index in Athelstane?

June through August, with an average maximum UV index of 5, are months with the highest UV index in Athelstane.

How high is the UV index in August in Athelstane?

The average daily maximum UV index in August in Athelstane is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Athelstane, WI

Average temperature in August - Athelstane, WI
  • Average high temperature in August: 76.6°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 (21.6°F).

  • Average low temperature in August: 57°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).

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Average pressure in August
Athelstane, WI

Average pressure in August - Athelstane, WI
  • Average pressure in August: 29.95"

The month with the highest atmospheric pressure is March (30.09").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed in August
Athelstane, WI

Average wind speed in August - Athelstane, WI
  • Average wind speed in August: 6.4mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in August
Athelstane, WI

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

Months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is May (73%).

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Average rainfall in August
Athelstane, WI

Average rainfall in August - Athelstane, WI
  • Average rainfall in August: 1.69"

The wettest month (with the highest rainfall) is June (2.6").
The driest months (with the least rainfall) are January and February (0.87").

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Average rainfall days in August
Athelstane, WI

Average rainfall days in August - Athelstane, WI
  • Average rainfall days in August: 13.7 days

The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (3.8 days).

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Average snowfall in August
Athelstane, WI

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

The month with the highest snowfall is December (6.06").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Athelstane, WI

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

The month with the highest number of snowfall days is January (14.7 days).
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
Athelstane, WI

Average daylight in August / Average sunshine in August - Athelstane, WI
  • Average daylight in August: 14h

The month with the longest days is June (Average daylight: 15.6h).
The month with the shortest days is December (Average daylight: 8.8h).

  • Average sunshine in August: 9.7h

The month with the most sunshine is July (Average sunshine: 10.1h).
The month with the least sunshine is February (Average sunshine: 3.3h).

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Average sunshine days in August
Athelstane, WI

Average sunshine days in August - Athelstane, WI
  • Average sunshine days in August: 14 days

Months with the most sunshine days are September and December (16.9 days).
The month with the least sunshine days is April (12.8 days).

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Average UV index in August
Athelstane, WI

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

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, March and November (UV index 1).

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Average cloud cover in August
Athelstane, WI

Average cloud cover in August - Athelstane, WI
  • Average cloud cover in August: 37

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in August
Athelstane, WI

Average visibility in August - Athelstane, WI
  • Average visibility in August: 5mi

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

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