Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average sea temperature in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
Green Bay's average high-temperature in August sits at a still moderately hot 77°F (25°C), showing little difference from the previous month. The low-temperature in Green Bay averages to a refreshing 59.4°F (15.2°C) during the nights of August.Humidity
In August, the average relative humidity is 79%.Rainfall
In August, in Green Bay, the rain falls for 14.3 days. Throughout August, 1.93" (49mm) of precipitation is accumulated. In Green Bay, during the entire year, the rain falls for 130.8 days and collects up to 24.8" (630mm) of precipitation.Snowfall
In Green Bay, snow does not fall in June through September.Ocean temperature
The month with the warmest seawater is August, with an average ocean temperature of 67.6°F (19.8°C).Note: In water with a temperature of 67.6°F (19.8°C), most individuals do not find swimming enjoyable. As the temperature falls from 69.8°F (21°C) to 59°F (15°C), breathing control becomes more difficult.
Daylight
The average length of the day in August is 13h and 59min.On the first day of the month, sunrise is at 5:39 am and sunset at 8:17 pm. On the last day of August, in Green Bay, sunrise is at 6:14 am and sunset at 7:29 pm CDT.
Sunshine
In August, the average sunshine in Green Bay is 9.8h.UV index
The months with the highest UV index in Green Bay are June through August, with an average maximum UV index of 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In August, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in Green Bay in August?
What is the average humidity in August in Green Bay?
How many days does it rain in August in Green Bay?
When it does not snow in Green Bay?
When is the ocean warmest in Green Bay?
What is the ocean temperature in August in Green Bay?
What is the average length of the day in August in Green Bay?
What time are sunrise and sunset in August in Green Bay?
How long on average sun shines in August in Green Bay?
What are the months with the highest UV index in Green Bay?
What is the UV index reading in August in Green Bay?
Average temperature in August
Green Bay, WI
- Average high temperature in August: 77°F
The warmest month (with the highest average high temperature) is July (78.1°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in August: 59.4°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in August
Green Bay, WI
- Average pressure in August: 29.96"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in August
Green Bay, WI
- Average wind speed in August: 7.2mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in August
Green Bay, WI
- Average humidity in August: 79%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and May (76%).
Average rainfall in August
Green Bay, WI
- Average rainfall in August: 1.93"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in August
Green Bay, WI
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in August
Green Bay, WI
- Average snowfall in August: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in August
Green Bay, WI
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in August
Green Bay, WI
- Average sea temperature in August: 67.6°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 August /
Average sunshine in August
Green Bay, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in August
Green Bay, WI
- Average sunshine days in August: 13.9 days
The months with the most sunshine days are September and November (17 days).
The month with the least sunshine days is April (11.6 days).
Average UV index in August
Green Bay, WI
- Average UV index in August: 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 August
Green Bay, WI
- Average cloud cover in August: 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 August
Green Bay, WI
- Average visibility in August: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Green Bay, Wisconsin, USA
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