October weather forecastDonnellson, IL
October
Weather in October
October, like September, in Donnellson, Illinois, is another enjoyable autumn month, with an average temperature varying between 64.8°F (18.2°C) and 48.4°F (9.1°C).Temperature
A change in temperatures is noted as September gives way to October, with average highs reducing from a moderately hot 77.7°F (25.4°C) to a refreshing 64.8°F (18.2°C). Throughout the month of October, the nighttime temperature dips to an average of 48.4°F (9.1°C).Humidity
October is the least humid month, with an average relative humidity of 71%.Rainfall
In Donnellson, Illinois, in October, during 9.7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Donnellson, during the entire year, the rain falls for 138.5 days and collects up to 24.33" (618mm) of precipitation.Snowfall
In Donnellson, snow does not fall in April through October.Daylight
In Donnellson, Illinois, the average length of the day in October is 11h and 10min.On the first day of the month, sunrise is at 6:54 am and sunset at 6:40 pm. On the last day of October, in Donnellson, sunrise is at 7:25 am and sunset at 5:57 pm CDT.
Sunshine
The average sunshine in October in Donnellson, Illinois, is 6.3h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In October, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Donnellson, IL
- Average high temperature in October: 64.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in October: 48.4°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in October
Donnellson, IL
- Average pressure in October: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Donnellson, IL
- Average wind speed in October: 8.7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in October
Donnellson, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Donnellson, IL
- Average rainfall in October: 1.65"
The wettest month (with the highest rainfall) is June (3.35").
The driest month (with the least rainfall) is February (1.34").
Average rainfall days in October
Donnellson, IL
- Average rainfall days in October: 9.7 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7 days).
Average snowfall in October
Donnellson, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Donnellson, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (6.2 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
Donnellson, IL
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 6h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in October
Donnellson, IL
- Average sunshine days in October: 19.8 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in October
Donnellson, IL
- Average UV index in October: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Donnellson, IL
- Average cloud cover in October: 33
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June and September (Cloud cover 29).
Average visibility in October
Donnellson, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
