October weather forecastMonticello, IA
October
Weather in October
October, like September, is another refreshing autumn month in Monticello, Iowa, with an average temperature varying between 43.2°F (6.2°C) and 58.6°F (14.8°C).Temperature
The onset of October brings a distinct decrease in the average high-temperature, receding from a pleasant 73°F (22.8°C) in September to a moderate 58.6°F (14.8°C). In Monticello, October nights witness a steady temperature drop to a chilly 43.2°F (6.2°C).Humidity
The least humid month is October, with an average relative humidity of 74%.Rainfall
In Monticello, during October, the rain falls for 11.9 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, there are 142.5 rainfall days, and 28.27" (718mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, there are 43.2 snowfall days, and 17.17" (436mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 3min.On the first day of the month, sunrise is at 7:02 am and sunset at 6:45 pm. On the last day of October, sunrise is at 7:37 am and sunset at 5:59 pm CDT.
Sunshine
In Monticello, the average sunshine in October is 5.3h.UV index
The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In October, the maximum UV index of 2 transforms into these recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Monticello, IA
- Average high temperature in October: 58.6°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 (25.2°F).
- Average low temperature in October: 43.2°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).
Average pressure in October
Monticello, IA
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Monticello, IA
- Average wind speed in October: 9.5mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in October
Monticello, IA
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Monticello, IA
- Average rainfall in October: 2.52"
The wettest month (with the highest rainfall) is May (4.25").
The driest months (with the least rainfall) are January and February (1.26").
Average rainfall days in October
Monticello, IA
- Average rainfall days in October: 11.9 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in October
Monticello, IA
- Average snowfall in October: 0.35"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Monticello, IA
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Monticello, IA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 18min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in October
Monticello, IA
- Average sunshine days in October: 16.9 days
The month with the most sunshine days is September (17 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in October
Monticello, IA
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Monticello, IA
- Average cloud cover in October: 39
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Monticello, IA
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





