Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
Arrival of October comes with a reduction in the average high-temperature, falling from a warm 75°F (23.9°C) in September to a refreshing 61.7°F (16.5°C). An average nighttime temperature of 46°F (7.8°C) is recorded during October.Humidity
With an average relative humidity of 72%, October is the least humid month.Rainfall
In Undercliff, in October, during 12.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Undercliff, during the entire year, the rain falls for 151.3 days and collects up to 30.16" (766mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, in Undercliff, Illinois, there are 36.7 snowfall days, and 14.09" (358mm) of snow is accumulated.Daylight
The average length of the day in October is 11h and 5min.On the first day of October in Undercliff, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:53 pm CDT.
Sunshine
In Undercliff, Illinois, the average sunshine in October is 5.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during October leads to these advisories:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Frequently asked questions
What is the usual temperature for Undercliff in October?
What is the least humid month in Undercliff?
What is the average humidity in October in Undercliff?
How much does it rain in Undercliff in October?
When does it start to snow in Undercliff?
What is the average length of the day in October in Undercliff?
What time are sunrise and sunset in October in Undercliff?
How long on average sun shines in October in Undercliff?
What is the UV index intensity in October in Undercliff?
Average temperature in October
Undercliff, IL
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in October: 46°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in October
Undercliff, IL
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in October
Undercliff, 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 (6.5mph).
Average humidity in October
Undercliff, IL
- Average humidity in October: 72%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Undercliff, IL
- Average rainfall in October: 2.91"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days in October
Undercliff, IL
- Average rainfall days in October: 12.6 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in October
Undercliff, IL
- Average snowfall in October: 0.24"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Undercliff, IL
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (11.2 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
Undercliff, IL
- Average daylight in October: 11h and 1min
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: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Undercliff, IL
- Average sunshine days in October: 15.9 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in October
Undercliff, IL
- Average UV index in October: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Undercliff, IL
- Average cloud cover in October: 39
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 32).
Average visibility in October
Undercliff, IL
- Average visibility in October: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Undercliff, Illinois, USA
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