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
In October, the average high-temperature goes from a pleasant 73.2°F (22.9°C) in September to a mild 59.9°F (15.5°C). Throughout October, Prospect Heights records an average temperature of 46.4°F (8°C) at night.Humidity
October is the least humid month, with an average relative humidity of 72%.Rainfall
In October, the rain falls for 13.9 days. Throughout October, 2.6" (66mm) of precipitation is accumulated. In Prospect Heights, during the entire year, the rain falls for 153.3 days and collects up to 30.12" (765mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Prospect Heights, Illinois. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, in Prospect Heights, there are 43.6 snowfall days, and 17.95" (456mm) of snow is accumulated.Daylight
The average length of the day in October in Prospect Heights is 11h and 4min.On the first day of October in Prospect Heights, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:46 pm CDT.
Sunshine
In October, the average sunshine is 5.5h.UV index
In Prospect Heights, the average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 2 during October translates into the following guidance:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Prospect Heights in October?
What is the least humid month in Prospect Heights?
What is the average humidity in October in Prospect Heights?
How much does it rain in Prospect Heights in October?
When does it start to snow in Prospect Heights?
How many hours of daylight does Prospect Heights have in October?
What time are sunrise and sunset in October in Prospect Heights?
How many hours of sunshine does Prospect Heights have in October?
How high is the UV index in October in Prospect Heights?
Average temperature in October
Prospect Heights, IL
- Average high temperature in October: 59.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in October: 46.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in October
Prospect Heights, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Prospect Heights, IL
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in October
Prospect Heights, IL
- Average humidity in October: 72%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in October
Prospect Heights, IL
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in October
Prospect Heights, IL
- Average rainfall days in October: 13.9 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in October
Prospect Heights, IL
- Average snowfall in October: 0.35"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Prospect Heights, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Prospect Heights, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Prospect Heights, IL
- Average sunshine days in October: 14.9 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in October
Prospect Heights, IL
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Prospect Heights, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in October
Prospect Heights, 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).
Prospect Heights, Illinois, USA
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