Green Bay
Wisconsin, USA
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Green Bay, WI

An aerial panorama of the sun setting over Green Bay in Wisconsin
An aerial panorama of the sun setting over Green Bay in Wisconsin
July, the same as June, is another warm summer month in Green Bay, Wisconsin, with average temperature fluctuating between 58.5°F (14.7°C) and 79.9°F (26.6°C).

Temperature

July is the warmest month, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 58.5°F (14.7°C).

Humidity

The average relative humidity in July is 71.3%.

Rainfall

In Green Bay, during 10.4 rainfall days, 3.5" (88.9mm) of precipitation is typically accumulated. Throughout the year, in Green Bay, there are 123 rainfall days, and 29.5" (749.9mm) of precipitation is accumulated.

Snowfall

In Green Bay snow does not fall in June through September.

Ocean temperature

In Green Bay, the average seawater temperature in July is 59.5°F (15.3°C).
Note: For swimming, a surface water temperature of 59.5°F (15.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In July, the average length of the day in Green Bay is 15.2h.

Sunshine

Months with the most sunshine are June and July, with an average of 10.1h of sunshine.

UV index

Months with the highest UV index in Green Bay, Wisconsin, are June and July, with an average maximum UV index of 8. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to the UV radiation for the average person.
Note: The daily maximum UV index of 8 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Green Bay?

July is the warmest month, with an average high-temperature of 79.9°F (26.6°C) and an average low-temperature of 58.5°F (14.7°C).

What is the temperature in July in Green Bay?

In Green Bay, in July, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 58.5°F (14.7°C).

What is the average humidity in July in Green Bay?

In Green Bay, Wisconsin, the average relative humidity in July is 71.3%.

How many days does it rain in July in Green Bay?

In Green Bay, Wisconsin, in July, it is raining for 10.4 days, with typically 3.5" (88.9mm) of accumulated precipitation.

When it does not snow in Green Bay?

In Green Bay snow does not fall in June through September.

How cold is the water in July in Green Bay?

In Green Bay, Wisconsin, the average seawater temperature in July is 59.5°F (15.3°C). Swimming in 59.5°F (15.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

How many hours of daylight does Green Bay have in July?

In July, the average length of the day is 15.2h.

What is the month with the most sunshine in Green Bay?

Months with the most sunshine in Green Bay, Wisconsin, are June and July, with an average of 10.1h of sunshine.

How many hours of sunshine does Green Bay have in July?

The average sunshine in July in Green Bay is 10.1h.

What is the month with the highest UV index in Green Bay?

June and July, with an average maximum UV index of 8, are months with the highest UV index.

How high is the UV index in July in Green Bay?

In Green Bay, Wisconsin, the average daily maximum UV index in July is 8. A UV Index value of 8 to 10 symbolizes a very high health risk from unprotected exposure to the UV radiation.
Average temperature in July - Green Bay, WI
  • Average high temperature in July: 79.8°F

The warmest month (with the highest average high temperature) is July (79.8°F).
The month with the lowest average high temperature is January (24.3°F).

  • Average low temperature in July: 58.4°F

The month with the highest average low temperature is July (58.4°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average humidity in July - Green Bay, WI
  • Average humidity in July: 71.3%

The month with the highest relative humidity is December (77.3%).
The month with the lowest relative humidity is May (65.9%).

Average rainfall in July - Green Bay, WI
  • Average rainfall in July: 3.5"

The wettest month (with the highest rainfall) is June (3.9").
Driest months (with the lowest rainfall) are January and February (1.1").

Average rainfall days in July - Green Bay, WI
  • Average rainfall days in July: 10.4 days

The month with the highest number of rainy days is May (11.4 days).
The month with the lowest number of rainy days is February (8.4 days).

Average snowfall in July - Green Bay, WI
  • Average snowfall in July: 0"

The month with the highest snowfall is December (13.1").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in July - Green Bay, WI
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (9.6 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in July - Green Bay, WI
  • Average sea temperature in July: 59.5°F

The best month for swimming (with the highest average sea temperature) is August (67.6°F).
The coldest month (with the lowest average sea temperature) is February (36.1°F).

Average daylight in July / Average sunshine in July - Green Bay, WI
  • Average daylight in July: 15.2h

The month with the longest days is June (Average daylight: 15.5h).
The month with shortest days is December (Average daylight: 8.9h).

  • Average sunshine in July: 10.1h

Months with most sunshine are June and July (Average sunshine: 10.1h).
Months with least sunshine are November and December (Average sunshine: 3.6).

Average UV index in July - Green Bay, WI
  • Average UV index in July: 8

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).