October weather forecastSimpson, IL
October
Weather in October
October, the same as September, is another comfortable autumn month in Simpson, Illinois, with an average temperature ranging between min 49.6°F (9.8°C) and max 67.8°F (19.9°C).Temperature
Arrival of October comes with a reduction in the average high-temperature, falling from a warm 81.1°F (27.3°C) in September to an enjoyable 67.8°F (19.9°C). Simpson's October nights cool down to an average low-temperature of 49.6°F (9.8°C).Humidity
With an average relative humidity of 71%, October is the least humid month in Simpson, Illinois.Rainfall
In Simpson, in October, during 7.5 rainfall days, 0.98" (25mm) of precipitation is typically accumulated. Throughout the year, in Simpson, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Simpson, the average length of the day in October is 11h and 13min.On the first day of the month, sunrise is at 6:51 am and sunset at 6:37 pm. On the last day of October, in Simpson, sunrise is at 7:19 am and sunset at 5:57 pm CDT.
Sunshine
The average sunshine in October in Simpson is 6.5h.UV index
In Simpson, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in October leads to these recommendations:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Tightly woven clothing, when worn loosely, shields effectively against the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Simpson, IL
- Average high temperature in October: 67.8°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in October: 49.6°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in October
Simpson, IL
- Average pressure in October: 30.05"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in October
Simpson, IL
- Average wind speed in October: 7.6mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in October
Simpson, IL
- Average humidity in October: 71%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Simpson, IL
- Average rainfall in October: 0.98"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in October
Simpson, IL
- Average rainfall days in October: 7.5 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall in October
Simpson, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Simpson, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (3.3 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
Simpson, IL
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 6h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in October
Simpson, IL
- Average sunshine days in October: 21.5 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in October
Simpson, IL
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Simpson, IL
- Average cloud cover in October: 33
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in October
Simpson, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
