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
The average high-temperature decreases in October, shifting from a pleasant 72.9°F (22.7°C) in September to a moderate 59.5°F (15.3°C). Deer Park's nighttime temperature during October is consistently averaged at a chilly 45.3°F (7.4°C).Humidity
With an average relative humidity of 74%, October is the least humid month.Rainfall
In Deer Park, in October, during 14.6 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 163.1 rainfall days, and 32.24" (819mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.35" (9mm) of snow. In Deer Park, during the entire year, snow falls for 55.5 days and aggregates up to 22.95" (583mm) of snow.Daylight
In Deer Park, the average length of the day in October is 11h and 3min.On the first day of October, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:46 pm CDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In Deer Park, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. 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
What is the temperature in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When does it start snowing?
What is the average length of the day in October?
When is the sunrise / sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
Deer Park, IL
- Average high temperature in October: 59.5°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in October: 45.3°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 (16.3°F).
Average pressure in October
Deer Park, 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
Deer Park, IL
- Average wind speed in October: 8.8mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in October
Deer Park, IL
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Deer Park, IL
- Average rainfall in October: 2.72"
The wettest month (with the highest rainfall) is June (4.13").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in October
Deer Park, IL
- Average rainfall days in October: 14.6 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in October
Deer Park, IL
- Average snowfall in October: 0.35"
The month with the highest snowfall is February (6.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Deer Park, IL
- Average snowfall days in October: 0.5 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Deer Park, 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 months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Deer Park, IL
- Average sunshine days in October: 13.7 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in October
Deer Park, IL
- Average UV index in October: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in October
Deer Park, IL
- Average cloud cover in October: 43
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in October
Deer Park, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Deer Park, Illinois, USA
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