Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
A shift in Green Bay's weather is observed as September turns into October, with the average high temperature reducing from an agreeable 69.6°F (20.9°C) to a moderate 55.8°F (13.2°C). In Green Bay, October nights cool down to an average of 41.9°F (5.5°C).Humidity
The average relative humidity in October is 78%.Rainfall
In Green Bay, in October, it is raining for 12.1 days, with typically 2.68" (68mm) of accumulated precipitation. In Green Bay, during the entire year, the rain falls for 130.8 days and collects up to 24.8" (630mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, in Green Bay, there are 63.7 snowfall days, and 23.27" (591mm) of snow is accumulated.Ocean temperature
In Green Bay, in October, the average water temperature is 54°F (12.2°C).Note: Engaging in a swim in 54°F (12.2°C) can threaten life. Brief exposure to 55.4°F (13°C) waters is uneasy, and submersion below 50°F (10°C) can lead to cold shock and disrupted breathing patterns, varying by individual.
Daylight
In Green Bay, the average length of the day in October is 10h and 58min.On the first day of the month, sunrise is at 6:50 am and sunset at 6:32 pm. On the last day of October, in Green Bay, sunrise is at 7:29 am and sunset at 5:42 pm CDT.
Sunshine
In October, the average sunshine is 5.2h.UV index
In October, the average daily maximum UV index in Green Bay is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In October, the maximum UV index of 2 translates into these guidelines:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are October temperatures in Green Bay?
What is the average humidity in October in Green Bay?
How much does it rain in Green Bay in October?
When does it start to snow in Green Bay?
What is the water temperature in October in Green Bay?
What is the average length of the day in October in Green Bay?
When are sunrise and sunset in October in Green Bay?
How long on average sun shines in October in Green Bay?
What is the UV index reading in October in Green Bay?
Average temperature in October
Green Bay, WI
- Average high temperature in October: 55.8°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 October: 41.9°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 October
Green Bay, WI
- Average pressure in October: 29.98"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 October
Green Bay, WI
- Average wind speed in October: 9.5mph
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 October
Green Bay, WI
- Average humidity in October: 78%
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 October
Green Bay, WI
- Average rainfall in October: 2.68"
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 October
Green Bay, WI
- Average rainfall days in October: 12.1 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 October
Green Bay, WI
- Average snowfall in October: 0.31"
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 October
Green Bay, WI
- Average snowfall days in October: 1 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 October
Green Bay, WI
- Average sea temperature in October: 54°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 October /
Average sunshine in October
Green Bay, WI
- Average daylight in October: 11h 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 October: 5h and 1min
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 October
Green Bay, WI
- Average sunshine days in October: 15.2 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 October
Green Bay, WI
- Average UV index in October: 2
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 October
Green Bay, WI
- Average cloud cover in October: 47
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 October
Green Bay, WI
- Average visibility in October: 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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