October weather forecast
Brookfield, WI

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Weather in October

October marks the middle of fall in Brookfield, marked by a significant decline in temperatures and an uptick in rainfall to 1.89" (48mm). The landscape transitions into a vibrant mix of reds, oranges, and yellows, offering splendid sights for nature lovers. Despite shorter daylight hours, the autumn sun continues to shine, casting an unparalleled golden hue over the city. A significant drop in temperatures along with a mounting cloud cover herald the approaching winter season. The weather in October encapsulates Wisconsin's charismatic autumn and paves the way for the imminent winter months.

Temperature

Brookfield's October weather comes with a decrease in average high-temperatures, moving from an agreeable 70.2°F (21.2°C) in September to a refreshing 57.2°F (14°C). Brookfield records an average temperature drop to a chilly 44.6°F (7°C) in October.

Humidity

The months with the lowest humidity in Brookfield are April, October and November, with an average relative humidity of 76%.

Rainfall

In Brookfield, in October, it is raining for 12.4 days, with typically 1.89" (48mm) of accumulated precipitation. In Brookfield, Wisconsin, during the entire year, the rain falls for 129.9 days and collects up to 19.69" (500mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.63" (16mm) of snow. Throughout the year, in Brookfield, there are 47.4 snowfall days, and 12.48" (317mm) of snow is accumulated.

Daylight

In Brookfield, the average length of the day in October is 11h and 1min.
On the first day of October in Brookfield, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:45 pm CDT.

Sunshine

In Brookfield, Wisconsin, the average sunshine in October is 5.4h.

UV index

In Brookfield, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.
Note: In October, the maximum UV index of 2 transforms into these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To protect against the Sun's most potent rays, avoid direct exposure around midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the average October temperature in Brookfield?

In Brookfield, in October, the average high-temperature is 57.2°F (14°C), and the average low-temperature is 44.6°F (7°C).

What is the least humid month in Brookfield?

The months with the lowest humidity in Brookfield, Wisconsin, are April, October and November, with an average relative humidity of 76%.

What is the average humidity in October in Brookfield?

In October, the average relative humidity in Brookfield is 76%.

How many days does it rain in October in Brookfield?

In Brookfield, in October, it is raining for 12.4 days, with typically 1.89" (48mm) of accumulated precipitation.

When does it start to snow in Brookfield?

October is the first month it typically snows in Brookfield. Throughout October, in the average 0.5 snowfall days, it receives 0.63" (16mm) of snow.

What is the average length of the day in October in Brookfield?

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

When is the sunrise / sunset in October in Brookfield?

On the first day of October in Brookfield, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:45 pm CDT.

How long on average sun shines in October in Brookfield?

The average sunshine duration in October in Brookfield is 5.4h.

How high is the UV index in October in Brookfield?

In Brookfield, Wisconsin, the average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Brookfield, WI

Average temperature in October - Brookfield, WI
  • Average high temperature in October: 57.2°F

The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (25.3°F).

  • Average low temperature in October: 44.6°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in October
Brookfield, WI

Average pressure in October - Brookfield, 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).

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Average wind speed in October
Brookfield, WI

Average wind speed in October - Brookfield, WI
  • Average wind speed in October: 9.8mph

The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).

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Average humidity in October
Brookfield, WI

Average humidity in October - Brookfield, WI
  • Average humidity in October: 76%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April, October and November (76%).

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Average rainfall in October
Brookfield, WI

Average rainfall in October - Brookfield, WI
  • Average rainfall in October: 1.89"

The wettest month (with the highest rainfall) is July (2.6").
The driest month (with the least rainfall) is December (0.75").

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Average rainfall days in October
Brookfield, WI

Average rainfall days in October - Brookfield, WI
  • Average rainfall days in October: 12.4 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in October
Brookfield, WI

Average snowfall in October - Brookfield, WI
  • Average snowfall in October: 0.63"

The month with the highest snowfall is January (3.39").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Brookfield, WI

Average snowfall days in October - Brookfield, WI
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Brookfield, WI

Average daylight in October / Average sunshine in October - Brookfield, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

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Average sunshine days in October
Brookfield, WI

Average sunshine days in October - Brookfield, WI
  • Average sunshine days in October: 16 days

The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is July (12.1 days).

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Average UV index in October
Brookfield, WI

Average UV index in October - Brookfield, 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).

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Average cloud cover in October
Brookfield, WI

Average cloud cover in October - Brookfield, WI
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in October
Brookfield, WI

Average visibility in October - Brookfield, 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).

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Brookfield, Wisconsin, USA

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