October weather forecastDewey, IL
October
Weather in October
October, the same as September, is another enjoyable autumn month in Dewey, Illinois, with an average temperature ranging between min 47.1°F (8.4°C) and max 63°F (17.2°C).Temperature
A shift in the average high-temperature occurs in October, reducing from a warm 75.9°F (24.4°C) in September to a refreshing 63°F (17.2°C). An average low-temperature of 47.1°F (8.4°C) is anticipated throughout the nights during October.Humidity
With an average relative humidity of 71%, October is the least humid month.Rainfall
In Dewey, during October, the rain falls for 9.5 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 115.9 rainfall days, and 10.87" (276mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In October, the average length of the day is 11h and 7min.On the first day of October, sunrise is at 6:50 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:50 pm CDT.
Sunshine
The average sunshine in October is 6.1h.UV index
In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in October translates into these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Dewey, IL
- Average high temperature in October: 63°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in October: 47.1°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in October
Dewey, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Dewey, IL
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Dewey, 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
Dewey, IL
- Average rainfall in October: 0.94"
The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in October
Dewey, IL
- Average rainfall days in October: 9.5 days
The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in October
Dewey, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Dewey, IL
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Dewey, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 6h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Dewey, IL
- Average sunshine days in October: 20 days
The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in October
Dewey, 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
Dewey, IL
- Average cloud cover in October: 36
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Dewey, 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).
