July weather forecast
Port Arthur, WI

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Weather in July

July, like June, in Port Arthur, Wisconsin, is another warm summer month, with an average temperature fluctuating between 78.8°F (26°C) and 58.5°F (14.7°C).

Temperature

July is Port Arthur's warmest month, registering average high temperatures of 78.8°F (26°C) and lows of 58.5°F (14.7°C).

Humidity

The average relative humidity in July is 78%.

Rainfall

In Port Arthur, in July, during 15.5 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. In Port Arthur, during the entire year, the rain falls for 128.5 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

In Port Arthur, snow does not fall in June through September.

Daylight

The average length of the day in July is 15h and 16min.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:56 pm. On the last day of July, in Port Arthur, sunrise is at 5:48 am and sunset at 8:33 pm CDT.

Sunshine

With an average of 9.6h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 5 in July leads to these recommendations:
Ensure safety - Sun damage prevention is strongly urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the hottest?

In Port Arthur, July records the average highest temperatures, peaking at 78.8°F (26°C) and reaching a low of 58.5°F (14.7°C).

What is the average July temperature?

The high-temperature in Port Arthur during July is 78.8°F (26°C) and the low-temperature is 58.5°F (14.7°C).

What is the average humidity in July?

In July, the average relative humidity is 78%.

How much does it rain in July?

In Port Arthur, during July, the rain falls for 15.5 days and regularly aggregates up to 2.24" (57mm) of precipitation.

When it does not snow in Port Arthur?

June through September are months without snowfall.

How many hours of daylight does Port Arthur have in July?

In July, the average day length is 15h and 16min.

When are sunrise and sunset in July?

In July, on the first day of the month, sunrise is at 5:20 am and sunset at 8:56 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 8:33 pm CDT.

What month has the most sunshine?

With an average of 9.6h of sunshine, July has the most sunshine of the year.

How many hours of sunshine does Port Arthur have in July?

In July, the average sunshine duration is 9.6h.

When is the highest UV index?

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

How high is the UV index in July?

The average daily maximum UV index in July is 5. A UV Index of 3 to 5 symbolizes a medium health risk 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 July
Port Arthur, WI

Average temperature in July - Port Arthur, WI
  • Average high temperature in July: 78.8°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.1°F).

  • Average low temperature in July: 58.5°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).

Average pressure in July
Port Arthur, WI

Average pressure in July - Port Arthur, WI
  • Average pressure in July: 29.94"Hg

The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in July
Port Arthur, WI

Average wind speed in July - Port Arthur, WI
  • Average wind speed in July: 6.7mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity in July
Port Arthur, WI

Average humidity in July - Port Arthur, WI
  • Average humidity in July: 78%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (75%).

Average rainfall in July
Port Arthur, WI

Average rainfall in July - Port Arthur, WI
  • Average rainfall in July: 2.24"

The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.98").

Average rainfall days in July
Port Arthur, WI

Average rainfall days in July - Port Arthur, WI
  • Average rainfall days in July: 15.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).

Average snowfall in July
Port Arthur, WI

Average snowfall in July - Port Arthur, WI
  • Average snowfall in July: 0"

The month with the highest snowfall is December (7.28").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in July
Port Arthur, WI

Average snowfall days in July - Port Arthur, WI
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Port Arthur, WI

Average daylight in July / Average sunshine in July - Port Arthur, WI
  • Average daylight in July: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

  • Average sunshine in July: 9h and 4min

The month with the most sunshine is July (Average sunshine: 9h and 36min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).

Average sunshine days in July
Port Arthur, WI

Average sunshine days in July - Port Arthur, WI
  • Average sunshine days in July: 13 days

The month with the most sunshine days is October (16 days).
The months with the least sunshine days are February and April (10 days).

Average UV index in July
Port Arthur, WI

Average UV index in July - Port Arthur, 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, February and December (UV index 1).

Average cloud cover in July
Port Arthur, WI

Average cloud cover in July - Port Arthur, WI
  • Average cloud cover in July: 38

The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 38).

Average visibility in July
Port Arthur, WI

Average visibility in July - Port Arthur, WI
  • Average visibility in July: 5mi

The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February and December (4mi).

Port Arthur, Wisconsin, USA

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