July weather forecastCuster, WI

July

Weather in July

July is a warm summer month in Custer, Wisconsin, with an average temperature fluctuating between 77.4°F (25.2°C) and 59.9°F (15.5°C).

Temperature

Custer witnesses the warmest weather in July, with temperatures averaging a high of 77.4°F (25.2°C) and a low of 59.9°F (15.5°C).

Humidity

In Custer, the average relative humidity in July is 82%.

Rainfall

In Custer, in July, during 14.1 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Custer, during the entire year, the rain falls for 123.2 days and collects up to 23.54" (598mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Custer, the average length of the day in July is 15h and 9min.
On the first day of July in Custer, sunrise is at 5:17 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:23 pm CDT.

Sunshine

With an average of 9.5h of sunshine, July has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 during July translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

July, with an average high of 77.4°F (25.2°C) and a low of 59.9°F (15.5°C), signifies the warmest month of the year in Custer.

In July, in Custer, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 59.9°F (15.5°C).

In July, the average relative humidity is 82%.

In Custer, Wisconsin, in July, it is raining for 14.1 days, with typically 2.09" (53mm) of accumulated precipitation.

June through September are months without snowfall.

In Custer, the average day length in July is 15h and 9min.

On the first day of July, sunrise is at 5:17 am and sunset at 8:46 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:23 pm CDT.

With an average of 9.5h of sunshine, July has the most sunshine of the year.

The average sunshine duration in July is 9.5h.

June through August, with an average maximum UV index of 5, are months with the highest UV index.

In Custer, Wisconsin, the average daily maximum UV index in July is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Custer, WI

  • Average high temperature in July: 77.4°F

The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is January (20.5°F).

  • Average low temperature in July: 59.9°F

The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average pressure in July
Custer, WI

  • Average pressure in July: 29.95"Hg

The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in July
Custer, WI

  • Average wind speed in July: 7.3mph

The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (7.2mph).

Average humidity in July
Custer, WI

  • Average humidity in July: 82%

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

Average rainfall in July
Custer, WI

  • Average rainfall in July: 2.09"

The wettest month (with the highest rainfall) is June (3.23").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in July
Custer, WI

  • Average rainfall days in July: 14.1 days

The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (2.8 days).

Average snowfall in July
Custer, WI

  • Average snowfall in July: 0"

The month with the highest snowfall is December (5.2").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Custer, WI

  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Custer, WI

  • Average daylight in July: 15h and 6min

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 July: 9h and 30min

The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).

Average sunshine days in July
Custer, WI

  • Average sunshine days in July: 13.7 days

The month with the most sunshine days is November (17 days).
The months with the least sunshine days are April, May and June (12.7 days).

Average UV index in July
Custer, WI

  • Average UV index in July: 5

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in July
Custer, WI

  • Average cloud cover in July: 36

The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in July
Custer, WI

  • Average visibility in July: 5mi

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).