October weather forecastDonovan, IL
October
Weather in October
October, like September, in Donovan, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 46.8°F (8.2°C) and 62.1°F (16.7°C).Temperature
October's onset brings a reduction in the average high-temperature, from a warm 75.2°F (24°C) in September to a comfortable 62.1°F (16.7°C). Donovan throughout October, experiences an average nighttime temperature of 46.8°F (8.2°C).Humidity
The least humid month in Donovan is October, with an average relative humidity of 71%.Rainfall
In Donovan, during October, the rain falls for 10.6 days and regularly aggregates up to 1.42" (36mm) of precipitation. In Donovan, during the entire year, the rain falls for 136.7 days and collects up to 19.72" (501mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Donovan, the average length of the day in October is 11h and 6min.On the first day of the month, sunrise is at 6:47 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:20 am and sunset at 5:47 pm CDT.
Sunshine
The average sunshine in October is 6.1h.UV index
In October, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 2 during October translates into the following guidance:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Donovan, IL
- Average high temperature in October: 62.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in October: 46.8°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in October
Donovan, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in October
Donovan, IL
- Average wind speed in October: 9.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
Donovan, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Donovan, IL
- Average rainfall in October: 1.42"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in October
Donovan, IL
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in October
Donovan, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Donovan, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (10.5 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
Donovan, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 6h and 6min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Donovan, IL
- Average sunshine days in October: 17.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in October
Donovan, IL
- Average UV index in October: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Donovan, IL
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in October
Donovan, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





