August weather forecast
Sparta, WI

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Weather in August

The last month of the summer, August, is also a moderately hot month in Sparta, Wisconsin, with an average temperature fluctuating between 58.3°F (14.6°C) and 77.5°F (25.3°C).

Temperature

Sparta records a slight change with August's average high-temperatures adjusting to a still moderately hot 77.5°F (25.3°C) from July's 79.3°F (26.3°C). Sparta records a consistent low-temperature of 58.3°F (14.6°C) during August nights.

Humidity

The average relative humidity in August in Sparta is 80%.

Rainfall

In Sparta, in August, during 14.1 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Sparta, Wisconsin, during the entire year, the rain falls for 142.9 days and collects up to 29.13" (740mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day in Sparta is 13h and 57min.
On the first day of August, sunrise is at 5:52 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:40 pm CDT.

Sunshine

In Sparta, the average sunshine in August is 9.6h.

UV index

May 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 health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 5 in August leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun is at its strongest around midday, find shade and limit exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the average August temperature in Sparta?

The high-temperature, in August, in Sparta, records 77.5°F (25.3°C), while the low-temperature is 58.3°F (14.6°C).

What is the average humidity in August in Sparta?

The average relative humidity in August in Sparta, Wisconsin, is 80%.

How much does it rain in Sparta in August?

In Sparta, during August, the rain falls for 14.1 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Sparta?

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

How many hours of daylight does Sparta have in August?

In Sparta, the average day length in August is 13h and 57min.

When is the sunrise / sunset in August in Sparta?

On the first day of August in Sparta, sunrise is at 5:52 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 6:26 am and sunset at 7:40 pm CDT.

How many hours of sunshine does Sparta have in August?

The average sunshine duration in August in Sparta is 9.6h.

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

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

What is the UV index reading in August in Sparta?

The average daily maximum UV index in August is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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
Sparta, WI

Average temperature in August - Sparta, WI
  • Average high temperature in August: 77.5°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in August: 58.3°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).

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Average pressure in August
Sparta, WI

Average pressure in August - Sparta, WI
  • Average pressure in August: 29.96"Hg

The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in August
Sparta, WI

Average wind speed in August - Sparta, WI
  • Average wind speed in August: 6.3mph

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in August
Sparta, WI

Average humidity in August - Sparta, WI
  • Average humidity in August: 80%

The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and October (77%).

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Average rainfall in August
Sparta, WI

Average rainfall in August - Sparta, WI
  • Average rainfall in August: 2.68"

The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in August
Sparta, WI

Average rainfall days in August - Sparta, WI
  • Average rainfall days in August: 14.1 days

The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in August
Sparta, WI

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

The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in August
Sparta, WI

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

The month with the highest number of snowfall days is January (15.5 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
Sparta, WI

Average daylight in August / Average sunshine in August - Sparta, WI
  • Average daylight in August: 13h and 5min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in August: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in August
Sparta, WI

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

The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (8.4 days).

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Average UV index in August
Sparta, WI

Average UV index in August - Sparta, 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, February, November and December (UV index 1).

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Average cloud cover in August
Sparta, WI

Average cloud cover in August - Sparta, WI
  • Average cloud cover in August: 34

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in August
Sparta, WI

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

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

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Sparta, Wisconsin, USA

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