July weather forecast
Sun Prairie, WI

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Weather in July

July weather often represents the peak of summertime in Sun Prairie, Wisconsin. The heat of the season is now at its zenith, reaching a top temperature of 78.6°F (25.9°C). Balmy afternoons and warm nights become the norm. With the arrival of dry spells and lower rainfall compared to the initial summer months, July is most often associated with long, hot summer days. People are driven to nearby lakes and pools to escape the heat under the beaming sun.

Temperature

July tends to be the warmest month in Sun Prairie, with temperatures averaging a daily high of 78.6°F (25.9°C) and a low of 61.5°F (16.4°C).

Humidity

The average relative humidity in July in Sun Prairie is 83%.

Rainfall

In Sun Prairie, during July, the rain falls for 15.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Sun Prairie, during the entire year, the rain falls for 138.5 days and collects up to 26.42" (671mm) of precipitation.

Snowfall

In Sun Prairie, snow does not fall in May through September.

Daylight

In Sun Prairie, the average length of the day in July is 15h and 0min.
On the first day of the month, sunrise is at 5:21 am and sunset at 8:40 pm. On the last day of July, sunrise is at 5:47 am and sunset at 8:19 pm CDT.

Sunshine

The month with the most sunshine is July, with an average of 9.9h of sunshine.

UV index

The months with the highest UV index in Sun Prairie are May through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In July, the average maximum UV index of 5 translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the warmest month in Sun Prairie?

In Sun Prairie, temperatures reach their average annual highs in July, measuring 78.6°F (25.9°C) and a minimum average of 61.5°F (16.4°C).

What is the usual temperature for Sun Prairie in July?

During July, Sun Prairie experiences an average high-temperature of 78.6°F (25.9°C) and a low-temperature of 61.5°F (16.4°C).

What is the average humidity in July in Sun Prairie?

In Sun Prairie, the average relative humidity in July is 83%.

How much does it rain in Sun Prairie in July?

In Sun Prairie, Wisconsin, in July, during 15.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated.

When it does not snow in Sun Prairie?

In Sun Prairie, Wisconsin, snow does not fall in May through September.

What is the average length of the day in July in Sun Prairie?

In Sun Prairie, the average day length in July is 15h and 0min.

What time are sunrise and sunset in July in Sun Prairie?

On the first day of July, sunrise is at 5:21 am and sunset at 8:40 pm. On the last day of the month, sunrise is at 5:47 am and sunset at 8:19 pm CDT.

What month has the most sunshine in Sun Prairie?

July has the most sunshine of the year, with an average of 9.9h of sunshine.

How many hours of sunshine does Sun Prairie have in July?

In Sun Prairie, the average sunshine duration in July is 9.9h.

What are the months with the highest UV index in Sun Prairie?

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

What is the UV index intensity in July in Sun Prairie?

In Sun Prairie, Wisconsin, the average daily maximum UV index in July is 5. A UV Index reading 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 July
Sun Prairie, WI

Average temperature in July - Sun Prairie, WI
  • Average high temperature in July: 78.6°F

The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (23.4°F).

  • Average low temperature in July: 61.5°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).

Average pressure in July
Sun Prairie, WI

Average pressure in July - Sun Prairie, WI
  • Average pressure in July: 29.96"Hg

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

Average wind speed in July
Sun Prairie, WI

Average wind speed in July - Sun Prairie, WI
  • Average wind speed in July: 6.8mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in July
Sun Prairie, WI

Average humidity in July - Sun Prairie, WI
  • Average humidity in July: 83%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in July
Sun Prairie, WI

Average rainfall in July - Sun Prairie, WI
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is February (1.1").

Average rainfall days in July
Sun Prairie, WI

Average rainfall days in July - Sun Prairie, WI
  • Average rainfall days in July: 15.3 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.7 days).

Average snowfall in July
Sun Prairie, WI

Average snowfall in July - Sun Prairie, WI
  • Average snowfall in July: 0"

The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Sun Prairie, WI

Average snowfall days in July - Sun Prairie, WI
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Sun Prairie, WI

Average daylight in July / Average sunshine in July - Sun Prairie, WI
  • Average daylight in July: 15h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in July: 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 July
Sun Prairie, WI

Average sunshine days in July - Sun Prairie, WI
  • Average sunshine days in July: 12.8 days

The month with the most sunshine days is December (16.8 days).
The month with the least sunshine days is June (10.8 days).

Average UV index in July
Sun Prairie, WI

Average UV index in July - Sun Prairie, WI
  • Average UV index in July: 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, November and December (UV index 1).

Average cloud cover in July
Sun Prairie, WI

Average cloud cover in July - Sun Prairie, WI
  • Average cloud cover in July: 33

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

Average visibility in July
Sun Prairie, WI

Average visibility in July - Sun Prairie, WI
  • Average visibility in July: 5mi

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

Sun Prairie, Wisconsin, USA

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