Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
With October's arrival, West Allis's weather changes as the average high-temperature falls from an agreeable 70.5°F (21.4°C) in September to a mild 57.6°F (14.2°C). The nighttime temperature dips to a chilly 45.5°F (7.5°C) on average during October.Humidity
The least humid month is October, with an average relative humidity of 75%.Rainfall
In West Allis, in October, during 12.2 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. Throughout the year, there are 126 rainfall days, and 19.37" (492mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.79" (20mm) of snow. Throughout the year, there are 43.6 snowfall days, and 11.22" (285mm) of snow is accumulated.Daylight
In October, the average length of the day is 11h and 1min.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.
Sunshine
The average sunshine in October is 5.3h.UV index
In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In October, the maximum UV index of 2 suggests this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's recommended to limit sun exposure when its radiation is at its peak during midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for West Allis in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start to snow?
What is the average length of the day in October?
When are sunrise and sunset in October?
How long on average sun shines in October in West Allis?
How high is the UV index in October?
Average temperature in October
West Allis, WI
- Average high temperature in October: 57.6°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 (26.1°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in October
West Allis, 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
West Allis, WI
- Average wind speed in October: 10.1mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in October
West Allis, 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
West Allis, WI
- Average rainfall in October: 1.93"
The wettest month (with the highest rainfall) is July (2.56").
The driest months (with the least rainfall) are February and December (0.83").
Average rainfall days in October
West Allis, WI
- Average rainfall days in October: 12.2 days
The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in October
West Allis, WI
- Average snowfall in October: 0.79"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
West Allis, WI
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
West Allis, 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: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in October
West Allis, WI
- Average sunshine days in October: 15.5 days
The month with the most sunshine days is November (17.4 days).
The months with the least sunshine days are July and August (12.7 days).
Average UV index in October
West Allis, 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
West Allis, WI
- Average cloud cover in October: 46
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in October
West Allis, 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).
West Allis, Wisconsin, USA
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