October weather forecast
Brown Deer, WI

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Weather in October

October, the same as September, in Brown Deer, Wisconsin, is another mild autumn month, with an average temperature varying between 56.8°F (13.8°C) and 46.6°F (8.1°C).

Temperature

With October's arrival, Brown Deer sees a decrease in average high-temperatures, moving from an agreeable 69.4°F (20.8°C) in September to a mild 56.8°F (13.8°C). Brown Deer observes an average low-temperature of 46.6°F (8.1°C) during October.

Humidity

The least humid month is October, with an average relative humidity of 75%.

Rainfall

In Brown Deer, in October, it is raining for 12 days, with typically 1.73" (44mm) of accumulated precipitation. In Brown Deer, during the entire year, the rain falls for 129.5 days and collects up to 18.62" (473mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 42.5 snowfall days, and 8.23" (209mm) of snow is accumulated.

Daylight

The average length of the day in October in Brown Deer is 11h and 1min.
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, sunrise is at 7:26 am and sunset at 5:44 pm CDT.

Sunshine

The average sunshine in October is 5.5h.

UV index

In Brown Deer, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 2 in October translates into this advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

October temperatures in Brown Deer vary between a high-temperature of 56.8°F (13.8°C) and a low-temperature of 46.6°F (8.1°C).

What is the least humid month?

With an average relative humidity of 75%, October is the least humid month.

What is the average humidity in October?

The average relative humidity in October is 75%.

How much does it rain in October?

In Brown Deer, in October, during 12 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.16" (4mm) of snow.

How many hours of daylight does Brown Deer have in October?

In Brown Deer, the average day length in October is 11h and 1min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:50 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:44 pm CDT.

How long on average sun shines in October?

In October, the average sunshine duration is 5.5h.

What is the UV index intensity in October?

The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Brown Deer, WI

Average temperature in October - Brown Deer, WI
  • Average high temperature in October: 56.8°F

The warmest month (with the highest average high temperature) is July (75.7°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in October: 46.6°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in October
Brown Deer, WI

Average pressure in October - Brown Deer, WI
  • Average pressure in October: 29.99"Hg

The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Brown Deer, WI

Average wind speed in October - Brown Deer, WI
  • Average wind speed in October: 11.1mph

The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (7.7mph).

Average humidity in October
Brown Deer, WI

Average humidity in October - Brown Deer, WI
  • Average humidity in October: 75%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (75%).

Average rainfall in October
Brown Deer, WI

Average rainfall in October - Brown Deer, WI
  • Average rainfall in October: 1.73"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days in October
Brown Deer, WI

Average rainfall days in October - Brown Deer, WI
  • Average rainfall days in October: 12 days

The months with the highest number of rainy days are May, June and July (15.2 days).
The month with the least rainy days is February (4.5 days).

Average snowfall in October
Brown Deer, WI

Average snowfall in October - Brown Deer, WI
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Brown Deer, WI

Average snowfall days in October - Brown Deer, WI
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Brown Deer, WI

Average daylight in October / Average sunshine in October - Brown Deer, WI
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 5h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Brown Deer, WI

Average sunshine days in October - Brown Deer, WI
  • Average sunshine days in October: 16 days

The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in October
Brown Deer, WI

Average UV index in October - Brown Deer, WI
  • Average UV index in October: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Brown Deer, WI

Average cloud cover in October - Brown Deer, WI
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in October
Brown Deer, WI

Average visibility in October - Brown Deer, WI
  • Average visibility in October: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Brown Deer, Wisconsin, USA

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