October weather forecast
Olympia Fields, IL

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Weather in October

October, like September, in Olympia Fields, Illinois, is another enjoyable autumn month, with temperature in the range of an average low of 46.9°F (8.3°C) and an average high of 61.2°F (16.2°C).

Temperature

Olympia Fields experiences a temperature shift at the start of October, with average high-temperatures adjusting from a warm 73.9°F (23.3°C) in September to an enjoyable 61.2°F (16.2°C). Olympia Fields experiences a steady low-temperature of 46.9°F (8.3°C) throughout October.

Humidity

October is the least humid month, with an average relative humidity of 73%.

Rainfall

In Olympia Fields, in October, during 14.3 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Olympia Fields, during the entire year, the rain falls for 155.6 days and collects up to 31.3" (795mm) 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 0.08" (2mm) of snow. In Olympia Fields, during the entire year, snow falls for 44.6 days and aggregates up to 16.46" (418mm) of snow.

Daylight

The average length of the day in October in Olympia Fields is 11h and 5min.
On the first day of October, sunrise is at 6:48 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm CDT.

Sunshine

In Olympia Fields, the average sunshine in October is 5.9h.

UV index

The average daily maximum UV index in October is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In October, the average maximum UV index of 2 translates into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Olympia Fields in October?

In Olympia Fields, in October, the average high-temperature is 61.2°F (16.2°C), and the average low-temperature is 46.9°F (8.3°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is estimated at 87.8°F (31°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 73%.

What is the average humidity in October?

In October, the average relative humidity is 73%.

How many days does it rain in October?

In Olympia Fields, in October, it is raining for 14.3 days, with typically 2.76" (70mm) of accumulated precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Olympia Fields have in October?

In October, the average day length is 11h and 5min.

When are sunrise and sunset in October?

On the first day of October, sunrise is at 6:48 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm CDT.

How many hours of sunshine does Olympia Fields have in October?

The average sunshine duration in October is 5.9h.

How high is the UV index in October?

The average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Olympia Fields, IL

Average temperature in October - Olympia Fields, IL
  • Average high temperature in October: 61.2°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in October: 46.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in October
Olympia Fields, IL

Average pressure in October - Olympia Fields, IL
  • Average pressure in October: 30.01"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
Olympia Fields, IL

Average wind speed in October - Olympia Fields, IL
  • Average wind speed in October: 9.1mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

Average humidity in October
Olympia Fields, IL

Average humidity in October - Olympia Fields, IL
  • Average humidity in October: 73%

The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).

Average rainfall in October
Olympia Fields, IL

Average rainfall in October - Olympia Fields, IL
  • Average rainfall in October: 2.76"

The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is December (1.54").

Average rainfall days in October
Olympia Fields, IL

Average rainfall days in October - Olympia Fields, IL
  • Average rainfall days in October: 14.3 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (6.1 days).

Average snowfall in October
Olympia Fields, IL

Average snowfall in October - Olympia Fields, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is January (4.53").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Olympia Fields, IL

Average snowfall days in October - Olympia Fields, IL
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in October /
Average sunshine in October
Olympia Fields, IL

Average daylight in October / Average sunshine in October - Olympia Fields, 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 12min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).

Average sunshine days in October
Olympia Fields, IL

Average sunshine days in October - Olympia Fields, IL
  • Average sunshine days in October: 14.4 days

The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is April (10.2 days).

Average UV index in October
Olympia Fields, IL

Average UV index in October - Olympia Fields, IL
  • Average UV index in October: 2

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in October
Olympia Fields, IL

Average cloud cover in October - Olympia Fields, IL
  • Average cloud cover in October: 42

The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in October
Olympia Fields, IL

Average visibility in October - Olympia Fields, IL
  • Average visibility in October: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Olympia Fields, Illinois, USA

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