Milwaukee
Wisconsin, USA
Long-term weather forecast
Long-term weather forecast

October weather forecast and climate
Milwaukee, WI

A view of the modern Milwaukee City in Wisconsin, from Lake Michigan and over the pier
A view of the modern Milwaukee City in Wisconsin, from Lake Michigan and over the pier
October, the same as September, in Milwaukee, Wisconsin, is a moderate autumn month, with average temperature fluctuating between 59.4°F (15.2°C) and 43.2°F (6.2°C).

Temperature

In Milwaukee, the average high-temperature decreases, from an agreeable 71.2°F (21.8°C) in September, to a moderate 59.4°F (15.2°C). In Milwaukee, Wisconsin, the average low-temperature is 43.2°F (6.2°C).

Humidity

In October, the average relative humidity is 72.5%.

Rainfall

In Milwaukee, during 10 rainfall days, 2.6" (67.3mm) of precipitation is typically accumulated. In Milwaukee, during the entire year, the rain falls for 126.7 days and collects up to 34.8" (882.9mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December.

Ocean temperature

In Milwaukee, Wisconsin, the average seawater temperature is 55°F (12.8°C). Swimming in 55°F (12.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Milwaukee is 11h.

Sunshine

In October, the average sunshine in Milwaukee is 5.7h.

UV index

In Milwaukee, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in October in Milwaukee?

In October, in Milwaukee, the average high-temperature is 59.4°F (15.2°C), and the average low-temperature is 43.2°F (6.2°C).

What is the average humidity in October in Milwaukee?

In Milwaukee, the average relative humidity in October is 72.5%.

How many days does it rain in October in Milwaukee?

In Milwaukee, Wisconsin, in October, it is raining for 10 days, with typically 2.6" (67.3mm) of accumulated precipitation.

When does it start to snow in Milwaukee?

October is the first month it typically snows in Milwaukee. Throughout October, in the average 0.3 snowfall days, it receives 0.3" (7.6mm) of snow.

How cold is the water in October in Milwaukee?

In Milwaukee, the average seawater temperature in October is 55°F (12.8°C). Swimming in 55°F (12.8°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Milwaukee have in October?

The average length of the day in October in Milwaukee is 11h.

How many hours of sunshine does Milwaukee have in October?

In October, the average sunshine in Milwaukee is 5.7h.

What is the UV index reading in October in Milwaukee?

In October, the average daily maximum UV index in Milwaukee, Wisconsin, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.
Average temperature in October - Milwaukee, WI
  • Average high temperature in October: 59.3°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in October: 43.2°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).

Average humidity in October - Milwaukee, WI
  • Average humidity in October: 72.5%

The month with the highest relative humidity is December (75.9%).
Months with the lowest relative humidity are April and May (68.5%).

Average rainfall in October - Milwaukee, WI
  • Average rainfall in October: 2.7"

The wettest month (with the highest rainfall) is August (4").
The driest month (with the lowest rainfall) is February (1.7").

Average rainfall days in October - Milwaukee, WI
  • Average rainfall days in October: 10 days

The month with the highest number of rainy days is April (12.1 days).
The month with the lowest number of rainy days is September (8.8 days).

Average snowfall in October - Milwaukee, WI
  • Average snowfall in October: 0.3"

The month with the highest snowfall is January (14.7").
Months with the lowest snowfall are June, July, August and September (0").

Average snowfall days in October - Milwaukee, WI
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (9.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

Average sea temperature in October - Milwaukee, WI
  • Average sea temperature in October: 54.9°F

The best month for swimming (with the highest average sea temperature) is August (71.9°F).
The coldest month (with the lowest average sea temperature) is February (36°F).

Average daylight in October / Average sunshine in October - Milwaukee, WI
  • Average daylight in October: 11h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).

  • Average sunshine in October: 5.7h

The month with most sunshine is July (Average sunshine: 10.4h).
The month with least sunshine is December (Average sunshine: 3.4h).

Average UV index in October - Milwaukee, WI
  • Average UV index in October: 3

Months with the highest UV index are June, July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).