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
Sullivan's weather changes with the onset of October, slightly falling from an agreeable 71.8°F (22.1°C) in September to a mild 58.1°F (14.5°C). Throughout the month of October, Sullivan sees a steady low-temperature average of 42.1°F (5.6°C).Humidity
The average relative humidity in October in Sullivan, Wisconsin, is 77%.Rainfall
In Sullivan, Wisconsin, during October, the rain falls for 11.4 days and regularly aggregates up to 1.34" (34mm) of precipitation. Throughout the year, in Sullivan, there are 121.6 rainfall days, and 14.06" (357mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows in Sullivan. Throughout October, in the average 0.7 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, in Sullivan, there are 46.4 snowfall days, and 7.48" (190mm) of snow is accumulated.Daylight
The average length of the day in October in Sullivan is 11h and 1min.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 7:28 am and sunset at 5:47 pm CDT.
Sunshine
The average sunshine in October in Sullivan is 5.3h.UV index
The average daily maximum UV index in October in Sullivan is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 2 in October leads to these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are October temperatures in Sullivan?
What is the average humidity in October in Sullivan?
How much does it rain in Sullivan in October?
When does it start snowing in Sullivan?
What is the average length of the day in October in Sullivan?
When is the sunrise / sunset in October in Sullivan?
How long on average sun shines in October in Sullivan?
How high is the UV index in October in Sullivan?
Average temperature in October
Sullivan, WI
- Average high temperature in October: 58.1°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 (24.3°F).
- Average low temperature in October: 42.1°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (12.2°F).
Average pressure in October
Sullivan, WI
- Average pressure in October: 29.99"Hg
The months with the highest atmospheric pressure are January and February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Sullivan, 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 (6.3mph).
Average humidity in October
Sullivan, WI
- Average humidity in October: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in October
Sullivan, WI
- Average rainfall in October: 1.34"
The wettest month (with the highest rainfall) is July (1.93").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in October
Sullivan, WI
- Average rainfall days in October: 11.4 days
The months with the highest number of rainy days are May and July (15.7 days).
The month with the least rainy days is January (2.8 days).
Average snowfall in October
Sullivan, WI
- Average snowfall in October: 0.43"
The month with the highest snowfall is January (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Sullivan, WI
- Average snowfall days in October: 0.7 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Sullivan, 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 24min).
Average sunshine days in October
Sullivan, WI
- Average sunshine days in October: 17.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (11.6 days).
Average UV index in October
Sullivan, 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, November and December (UV index 1).
Average cloud cover in October
Sullivan, WI
- Average cloud cover in October: 45
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in October
Sullivan, 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).
Sullivan, Wisconsin, USA
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