October weather forecastJanesville, WI
October
Weather in October
October in Janesville, Wisconsin, greets cooler temperatures and transforms the city into a colorful canvas of fall foliage. Residents thrill to the crunch of leaves underfoot, the smell of autumn rain, and the taste of seasonal harvest fruits. This month has the first touch of winter with a minuscule amount of snowfall at 0.28" (7mm). With fluctuating weather conditions, it's a great month for photogenic landscapes and warm pumpkin-spiced beverages. October welcomes a brisk weather creating a friendly invitation to embrace the colder days ahead.Temperature
October suggests a modest reduction in the average high-temperature, shifting from a pleasant 72.1°F (22.3°C) in September to a refreshing 58.6°F (14.8°C). Janesville observes an average nighttime low-temperature of 42.6°F (5.9°C) during the month of October.Humidity
The months with the lowest humidity in Janesville are April and October, with an average relative humidity of 76%.Rainfall
In Janesville, in October, during 11 rainfall days, 1.46" (37mm) of precipitation is typically accumulated. In Janesville, during the entire year, the rain falls for 127.7 days and collects up to 17.87" (454mm) of precipitation.Snowfall
Months with snowfall in Janesville are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.28" (7mm) of snow. In Janesville, during the entire year, snow falls for 44.5 days and aggregates up to 11.34" (288mm) of snow.Daylight
The average length of the day in October is 11h and 2min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:36 pm. On the last day of October, sunrise is at 7:29 am and sunset at 5:49 pm CDT.
Sunshine
In Janesville, the average sunshine in October is 5.3h.UV index
The average daily maximum UV index in October 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 average individuals.Note: A daily maximum UV index of 2 in October translates into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Janesville, WI
- Average high temperature in October: 58.6°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).
Average pressure in October
Janesville, 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
Janesville, WI
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Janesville, WI
- Average humidity in October: 76%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and October (76%).
Average rainfall in October
Janesville, WI
- Average rainfall in October: 1.46"
The wettest month (with the highest rainfall) is June (2.76").
The driest months (with the least rainfall) are January and February (0.75").
Average rainfall days in October
Janesville, WI
- Average rainfall days in October: 11 days
The month with the highest number of rainy days is June (16.3 days).
The month with the least rainy days is January (3.5 days).
Average snowfall in October
Janesville, WI
- Average snowfall in October: 0.28"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Janesville, WI
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Janesville, 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 18min
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
Janesville, WI
- Average sunshine days in October: 17.1 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in October
Janesville, WI
- Average UV index in October: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Janesville, WI
- Average cloud cover in October: 44
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is September (Cloud cover 34).
Average visibility in October
Janesville, 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).
