October weather forecastDelavan, IL
October
Weather in October
October, like September, in Delavan, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 63.1°F (17.3°C).Temperature
October is characterized by a reduction in the average high-temperature, from a warm 76.5°F (24.7°C) in September to an enjoyable 63.1°F (17.3°C). Delavan experiences a mean low-temperature of 46.9°F (8.3°C) during October.Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In October, the rain falls for 9.8 days. Throughout October, 1.61" (41mm) of precipitation is accumulated. In Delavan, during the entire year, the rain falls for 131.4 days and collects up to 20.08" (510mm) of precipitation.Snowfall
In Delavan, snow does not fall in May through October.Daylight
In October, the average length of the day is 11h and 7min.On the first day of the month, sunrise is at 6:55 am and sunset at 6:39 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:55 pm CDT.
Sunshine
In October, the average sunshine is 5.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 3 during October, leads to the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. 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
Average temperature in October
Delavan, IL
- Average high temperature in October: 63.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in October: 46.9°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in October
Delavan, 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 (29.91"Hg).
Average wind speed in October
Delavan, IL
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Delavan, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Delavan, IL
- Average rainfall in October: 1.61"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in October
Delavan, IL
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in October
Delavan, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Delavan, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (8.4 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
Delavan, 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 18min).
- Average sunshine in October: 5h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Delavan, IL
- Average sunshine days in October: 19.4 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in October
Delavan, 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
Delavan, IL
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in October
Delavan, 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).
