August weather forecast
Hillsboro, WI

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Weather in August

The last month of the summer, August, is also a moderately hot month in Hillsboro, Wisconsin, with temperature in the range of an average low of 58.5°F (14.7°C) and an average high of 78.4°F (25.8°C).

Temperature

The shift into August reveals an average high-temperature of a still warm 78.4°F (25.8°C), closely mirroring July's climate. Hillsboro's average low-temperature during August nights is observed to be a moderate 58.5°F (14.7°C).

Humidity

The average relative humidity in August is 79%.

Rainfall

In Hillsboro, in August, during 13 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Hillsboro, during the entire year, the rain falls for 131.7 days and collects up to 27.83" (707mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In August, the average length of the day is 13h and 56min.
On the first day of August, sunrise is at 5:51 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:38 pm CDT.

Sunshine

In August, the average sunshine is 9.7h.

UV index

The average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In August, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in August?

The average high-temperature and low-temperature during August are 78.4°F (25.8°C) and 58.5°F (14.7°C) respectively.

What is the average humidity in August?

In August, the average relative humidity is 79%.

How much does it rain in August?

In Hillsboro, during August, the rain falls for 13 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow?

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

What is the average length of the day in August?

In August, the average day length is 13h and 56min.

When are sunrise and sunset in August?

In August, on the first day of the month, sunrise is at 5:51 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:24 am and sunset at 7:38 pm CDT.

How long on average sun shines in August?

In Hillsboro, the average sunshine duration in August is 9.7h.

What is the UV index reading in August?

In August, the average daily maximum UV index in Hillsboro is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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
Hillsboro, WI

Average temperature in August - Hillsboro, WI
  • Average high temperature in August: 78.4°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (22.1°F).

  • Average low temperature in August: 58.5°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 (9.3°F).

Average pressure in August
Hillsboro, WI

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in August
Hillsboro, WI

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

The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in August
Hillsboro, WI

Average humidity in August - Hillsboro, WI
  • Average humidity in August: 79%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).

Average rainfall in August
Hillsboro, WI

Average rainfall in August - Hillsboro, WI
  • Average rainfall in August: 2.32"

The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.1").

Average rainfall days in August
Hillsboro, WI

Average rainfall days in August - Hillsboro, WI
  • Average rainfall days in August: 13 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (3.5 days).

Average snowfall in August
Hillsboro, WI

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

The month with the highest snowfall is February (5.87").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Hillsboro, WI

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

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Hillsboro, WI

Average daylight in August / Average sunshine in August - Hillsboro, 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 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in August
Hillsboro, WI

Average sunshine days in August - Hillsboro, WI
  • Average sunshine days in August: 15.7 days

The month with the most sunshine days is December (17.5 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in August
Hillsboro, WI

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

Average cloud cover in August
Hillsboro, WI

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

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Hillsboro, WI

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

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

Hillsboro, Wisconsin, USA

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