August weather forecast
Montello, WI

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Weather in August

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

Temperature

As Montello welcomes August, the average high-temperature stabilizes at a still moderately hot 77.4°F (25.2°C), showing little deviation from July's 78.3°F (25.7°C). In Montello, the average temperature during the nights of August drops to a moderate 59.5°F (15.3°C).

Humidity

In Montello, the average relative humidity in August is 81%.

Rainfall

In August, the rain falls for 14.3 days. Throughout August, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Montello, there are 146.3 rainfall days, and 29.45" (748mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Montello, the average length of the day in August is 13h and 56min.
On the first day of August in Montello, sunrise is at 5:46 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 7:34 pm CDT.

Sunshine

The average sunshine in August in Montello is 9.8h.

UV index

In August, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 5 during August translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Montello in August?

August temperatures in Montello, Wisconsin, vary between a high-temperature of 77.4°F (25.2°C) and a low-temperature of 59.5°F (15.3°C).

What is the average humidity in August in Montello?

In Montello, the average relative humidity in August is 81%.

How much does it rain in Montello in August?

In Montello, in August, it is raining for 14.3 days, with typically 2.6" (66mm) of accumulated precipitation.

When it does not snow in Montello?

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

How many hours of daylight does Montello have in August?

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

When are sunrise and sunset in August in Montello?

In August, on the first day of the month, sunrise is at 5:46 am and sunset at 8:20 pm. On the last day of the month, in Montello, Wisconsin, sunrise is at 6:20 am and sunset at 7:34 pm CDT.

How long on average sun shines in August in Montello?

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

What is the UV index intensity in August in Montello?

In Montello, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Montello, WI

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

The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.3°F).

  • Average low temperature in August: 59.5°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).

Average pressure in August
Montello, WI

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in August
Montello, WI

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

The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).

Average humidity in August
Montello, WI

Average humidity in August - Montello, WI
  • Average humidity in August: 81%

The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in August
Montello, WI

Average rainfall in August - Montello, WI
  • Average rainfall in August: 2.6"

The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").

Average rainfall days in August
Montello, WI

Average rainfall days in August - Montello, WI
  • Average rainfall days in August: 14.3 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in August
Montello, WI

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

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Montello, WI

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

The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in August / Average sunshine in August - Montello, 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 5min

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 18min).

Average sunshine days in August
Montello, WI

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

The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).

Average UV index in August
Montello, WI

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

Average cloud cover in August
Montello, WI

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

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in August
Montello, WI

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

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

Montello, Wisconsin, USA

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