August weather forecast
Spring Valley, WI

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Weather in August

The last month of the summer, August, is another warm month in Spring Valley, Wisconsin, with an average temperature fluctuating between 76.6°F (24.8°C) and 58.5°F (14.7°C).

Temperature

The commencement of August brings an average high-temperature of a still warm 76.6°F (24.8°C), marking an inconsequential divergence from July. In Spring Valley, the average nighttime temperature during August is a mild 58.5°F (14.7°C).

Humidity

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

Rainfall

In August, in Spring Valley, the rain falls for 15.1 days. Throughout August, 2.4" (61mm) of precipitation is accumulated. In Spring Valley, during the entire year, the rain falls for 128.4 days and collects up to 25" (635mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in August in Spring Valley, Wisconsin, is 14h and 1min.
On the first day of the month, sunrise is at 5:55 am and sunset at 8:34 pm. On the last day of August, sunrise is at 6:30 am and sunset at 7:47 pm CDT.

Sunshine

The average sunshine in August in Spring Valley is 9.6h.

UV index

In Spring Valley, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in August interprets into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Spring Valley in August?

During August, Spring Valley experiences an average high-temperature of 76.6°F (24.8°C) and a low-temperature of 58.5°F (14.7°C).

What is the average humidity in August in Spring Valley?

The average relative humidity in August in Spring Valley, Wisconsin, is 81%.

How much does it rain in Spring Valley in August?

In Spring Valley, Wisconsin, in August, it is raining for 15.1 days, with typically 2.4" (61mm) of accumulated precipitation.

When it does not snow in Spring Valley?

In Spring Valley, Wisconsin, snow does not fall in June through September.

What is the average length of the day in August in Spring Valley?

In August, the average day length is 14h and 1min.

When are sunrise and sunset in August in Spring Valley?

In August, on the first day of the month, sunrise is at 5:55 am and sunset at 8:34 pm. On the last day of the month, in Spring Valley, sunrise is at 6:30 am and sunset at 7:47 pm CDT.

How many hours of sunshine does Spring Valley have in August?

In August, the average sunshine duration is 9.6h.

What is the UV index intensity in August in Spring Valley?

In Spring Valley, the average daily maximum UV index in August is 5. A UV Index reading of 3 to 5 represents 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
Spring Valley, WI

Average temperature in August - Spring Valley, 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 (19.2°F).

  • Average low temperature in August: 58.5°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).

Average pressure in August
Spring Valley, WI

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

The months with the highest atmospheric pressure are January and February (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in August
Spring Valley, WI

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

The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in August
Spring Valley, WI

Average humidity in August - Spring Valley, WI
  • Average humidity in August: 81%

The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and October (76%).

Average rainfall in August
Spring Valley, WI

Average rainfall in August - Spring Valley, WI
  • Average rainfall in August: 2.4"

The wettest month (with the highest rainfall) is June (4.37").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in August
Spring Valley, WI

Average rainfall days in August - Spring Valley, WI
  • Average rainfall days in August: 15.1 days

The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is January (2.7 days).

Average snowfall in August
Spring Valley, WI

Average snowfall in August - Spring Valley, WI
  • Average snowfall in August: 0"

The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in August
Spring Valley, WI

Average snowfall days in August - Spring Valley, WI
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in August /
Average sunshine in August
Spring Valley, WI

Average daylight in August / Average sunshine in August - Spring Valley, WI
  • Average daylight in August: 14h and 0min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • 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).

Average sunshine days in August
Spring Valley, WI

Average sunshine days in August - Spring Valley, WI
  • Average sunshine days in August: 14.4 days

The month with the most sunshine days is December (17.2 days).
The month with the least sunshine days is June (10.5 days).

Average UV index in August
Spring Valley, WI

Average UV index in August - Spring Valley, 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
Spring Valley, WI

Average cloud cover in August - Spring Valley, WI
  • Average cloud cover in August: 33

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

Average visibility in August
Spring Valley, WI

Average visibility in August - Spring Valley, WI
  • Average visibility in August: 5mi

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

Spring Valley, Wisconsin, USA

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