August weather forecast
Argonne, WI

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Weather in August

August, the last month of the summer in Argonne, is also a moderately hot month, with an average temperature ranging between min 55°F (12.8°C) and max 75.2°F (24°C).

Temperature

The advent of August signifies a minor shift to an average high-temperature of a still warm 75.2°F (24°C), aligning closely with July. In August, the recorded average low-temperature is a fresh 55°F (12.8°C).

Humidity

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

Rainfall

In Argonne, during August, the rain falls for 13.9 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, in Argonne, there are 120.4 rainfall days, and 22.99" (584mm) of precipitation is accumulated.

Snowfall

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

Daylight

In Argonne, the average length of the day in August is 14h and 4min.
On the first day of August, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 7:34 pm CDT.

Sunshine

In August, the average sunshine in Argonne is 9h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 5 during August translates into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What is the average August temperature in Argonne?

An average high-temperature, in August, in Argonne, is 75.2°F (24°C) and the average low-temperature is 55°F (12.8°C).

What is the average humidity in August in Argonne?

The average relative humidity in August is 78%.

How many days does it rain in August in Argonne?

In Argonne, in August, it is raining for 13.9 days, with typically 1.73" (44mm) of accumulated precipitation.

When it does not snow in Argonne?

June through September are months without snowfall in Argonne.

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

In August, the average day length is 14h and 4min.

When are sunrise and sunset in August in Argonne?

In August, on the first day of the month, sunrise is at 5:39 am and sunset at 8:23 pm. On the last day of the month, in Argonne, sunrise is at 6:16 am and sunset at 7:34 pm CDT.

How many hours of sunshine does Argonne have in August?

The average sunshine duration in August is 9h.

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

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

What is the UV index intensity in August in Argonne?

The average daily maximum UV index in August in Argonne, Wisconsin, is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Argonne, WI

Average temperature in August - Argonne, WI
  • Average high temperature in August: 75.2°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (19.8°F).

  • Average low temperature in August: 55°F

The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (8.4°F).

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Average pressure in August
Argonne, WI

Average pressure in August - Argonne, WI
  • Average pressure in August: 29.95"Hg

The month with the highest atmospheric pressure is 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
Argonne, WI

Average wind speed in August - Argonne, WI
  • Average wind speed in August: 6.7mph

The windiest months (with the highest average wind speed) are April and November (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

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Average humidity in August
Argonne, WI

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

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (72%).

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Average rainfall in August
Argonne, WI

Average rainfall in August - Argonne, WI
  • Average rainfall in August: 1.73"

The wettest month (with the highest rainfall) is June (2.83").
The driest month (with the least rainfall) is January (1.02").

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Average rainfall days in August
Argonne, WI

Average rainfall days in August - Argonne, WI
  • Average rainfall days in August: 13.9 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (2.4 days).

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Average snowfall in August
Argonne, WI

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

The month with the highest snowfall is February (7.8").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Argonne, WI

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

The month with the highest number of snowfall days is January (20.3 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
Argonne, WI

Average daylight in August / Average sunshine in August - Argonne, WI
  • Average daylight in August: 14h and 1min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in August: 9h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).

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Average sunshine days in August
Argonne, WI

Average sunshine days in August - Argonne, WI
  • Average sunshine days in August: 13.3 days

The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (10.8 days).

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Average UV index in August
Argonne, WI

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

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

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Average cloud cover in August
Argonne, WI

Average cloud cover in August - Argonne, WI
  • Average cloud cover in August: 42

The months with the most cloud cover are January and February (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 40).

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Average visibility in August
Argonne, WI

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

The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January and February (4mi).

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Argonne, Wisconsin, USA

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