October weather forecast
South Milwaukee, WI

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Weather in October

October, like September, is another refreshing autumn month in South Milwaukee, Wisconsin, with an average temperature varying between 47.3°F (8.5°C) and 57.2°F (14°C).

Temperature

October weather is marked by a drop in the average high-temperature, falling from a pleasant 69.6°F (20.9°C) in September to a moderate 57.2°F (14°C). In October, South Milwaukee experiences a temperature dip to an average of 47.3°F (8.5°C) at night.

Humidity

October and November, with an average relative humidity of 75%, are the least humid months.

Rainfall

In South Milwaukee, in October, it is raining for 13.1 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 131.9 rainfall days, and 18.54" (471mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow. Throughout the year, there are 45.2 snowfall days, and 7.83" (199mm) of snow is accumulated.

Daylight

In October, the average length of the day is 11h and 2min.
On the first day of the month, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of October, sunrise is at 7:25 am and sunset at 5:44 pm CDT.

Sunshine

In October, the average sunshine is 5.5h.

UV index

In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In October, the maximum UV index of 2 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

The high-temperature, in October, in South Milwaukee, records 57.2°F (14°C), while the low-temperature is 47.3°F (8.5°C).

What is the least humid month?

October and November, with an average relative humidity of 75%, are the least humid months.

What is the average humidity in October?

In October, the average relative humidity is 75%.

How much does it rain in October?

In South Milwaukee, in October, during 13.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.16" (4mm) of snow.

What is the average length of the day in October?

In October, the average day length is 11h and 2min.

When are sunrise and sunset in October in South Milwaukee?

In October, on the first day of the month, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:44 pm CDT.

How many hours of sunshine does South Milwaukee have in October?

In October, the average sunshine duration is 5.5h.

What is the UV index intensity in October?

In South Milwaukee, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
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
South Milwaukee, WI

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

The warmest month (with the highest average high temperature) is July (75.9°F).
The month with the lowest average high temperature is January (27°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (18°F).

Average pressure in October
South Milwaukee, WI

Average pressure in October - South Milwaukee, 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
South Milwaukee, WI

Average wind speed in October - South Milwaukee, WI
  • Average wind speed in October: 11.2mph

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
South Milwaukee, WI

Average humidity in October - South Milwaukee, WI
  • Average humidity in October: 75%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in October
South Milwaukee, WI

Average rainfall in October - South Milwaukee, WI
  • Average rainfall in October: 1.85"

The wettest month (with the highest rainfall) is July (2.4").
The driest month (with the least rainfall) is February (0.75").

Average rainfall days in October
South Milwaukee, WI

Average rainfall days in October - South Milwaukee, WI
  • Average rainfall days in October: 13.1 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in October
South Milwaukee, WI

Average snowfall in October - South Milwaukee, WI
  • Average snowfall in October: 0.16"

The month with the highest snowfall is January (2.01").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
South Milwaukee, WI

Average snowfall days in October - South Milwaukee, WI
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
South Milwaukee, WI

Average daylight in October / Average sunshine in October - South Milwaukee, 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 month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
South Milwaukee, WI

Average sunshine days in October - South Milwaukee, WI
  • Average sunshine days in October: 15 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in October
South Milwaukee, WI

Average UV index in October - South Milwaukee, 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
South Milwaukee, WI

Average cloud cover in October - South Milwaukee, WI
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in October
South Milwaukee, WI

Average visibility in October - South Milwaukee, 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).

South Milwaukee, Wisconsin, USA

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