October weather forecast
Williams Bay, WI

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Weather in October

October, like September, is another refreshing autumn month in Williams Bay, Wisconsin, with an average temperature ranging between min 42.4°F (5.8°C) and max 58.3°F (14.6°C).

Temperature

The arrival of October corresponds with a shift in temperature, down from an agreeable 71.8°F (22.1°C) in September to a refreshing 58.3°F (14.6°C). Williams Bay's temperature drops to an average low of 42.4°F (5.8°C) during the nights of October.

Humidity

April and October, with an average relative humidity of 77%, are the least humid months in Williams Bay, Wisconsin.

Rainfall

In Williams Bay, in October, it is raining for 11.5 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 132.3 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows in Williams Bay. Throughout October, in the average 0.7 snowfall days, it receives 0.35" (9mm) of snow. In Williams Bay, Wisconsin, during the entire year, snow falls for 47.5 days and aggregates up to 11.81" (300mm) of snow.

Daylight

In October, the average length of the day is 11h and 2min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:47 pm CDT.

Sunshine

In October, the average sunshine in Williams Bay, Wisconsin, is 5.3h.

UV index

The average daily maximum UV index in October in Williams Bay is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In October, a regular UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Williams Bay in October?

In October, in Williams Bay, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 42.4°F (5.8°C).

What are the least humid months in Williams Bay?

April and October, with an average relative humidity of 77%, are the least humid months.

What is the average humidity in October in Williams Bay?

The average relative humidity in October is 77%.

How much does it rain in Williams Bay in October?

In Williams Bay, Wisconsin, during October, the rain falls for 11.5 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When does it start to snow in Williams Bay?

October is the first month it typically snows in Williams Bay. Throughout October, in the average 0.7 snowfall days, it receives 0.35" (9mm) of snow.

How many hours of daylight does Williams Bay have in October?

In Williams Bay, Wisconsin, the average day length in October is 11h and 2min.

When is the sunrise / sunset in October in Williams Bay?

In October, on the first day of the month, sunrise is at 6:52 am and sunset at 6:35 pm. On the last day of the month, in Williams Bay, Wisconsin, sunrise is at 7:27 am and sunset at 5:47 pm CDT.

How long on average sun shines in October in Williams Bay?

In Williams Bay, the average sunshine duration in October is 5.3h.

What is the UV index reading in October in Williams Bay?

In Williams Bay, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Williams Bay, WI

Average temperature in October - Williams Bay, WI
  • Average high temperature in October: 58.3°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.8°F).

  • Average low temperature in October: 42.4°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

Average pressure in October
Williams Bay, WI

Average pressure in October - Williams Bay, WI
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Williams Bay, WI

Average wind speed in October - Williams Bay, WI
  • Average wind speed in October: 8.6mph

The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity in October
Williams Bay, WI

Average humidity in October - Williams Bay, WI
  • Average humidity in October: 77%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (77%).

Average rainfall in October
Williams Bay, WI

Average rainfall in October - Williams Bay, WI
  • Average rainfall in October: 1.5"

The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are January and December (0.79").

Average rainfall days in October
Williams Bay, WI

Average rainfall days in October - Williams Bay, WI
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is July (17.4 days).
The months with the least rainy days are January and February (3.8 days).

Average snowfall in October
Williams Bay, WI

Average snowfall in October - Williams Bay, WI
  • Average snowfall in October: 0.35"

The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Williams Bay, WI

Average snowfall days in October - Williams Bay, WI
  • Average snowfall days in October: 0.7 days

The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Williams Bay, WI

Average daylight in October / Average sunshine in October - Williams Bay, 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 months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).

Average sunshine days in October
Williams Bay, WI

Average sunshine days in October - Williams Bay, WI
  • Average sunshine days in October: 16.2 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in October
Williams Bay, WI

Average UV index in October - Williams Bay, WI
  • Average UV index in October: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in October
Williams Bay, WI

Average cloud cover in October - Williams Bay, WI
  • Average cloud cover in October: 44

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July, August and September (Cloud cover 35).

Average visibility in October
Williams Bay, WI

Average visibility in October - Williams Bay, WI
  • Average visibility in October: 6mi

The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).

Williams Bay, Wisconsin, USA

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