October weather forecast
Olmsted, IL

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Weather in October

October, the same as September, in Olmsted, Illinois, is an agreeable autumn month, with an average temperature fluctuating between 68.9°F (20.5°C) and 51.1°F (10.6°C).

Temperature

As September shifts into October, a slight alteration in temperatures is observed, with average highs reducing from a moderately hot 81.5°F (27.5°C) to an agreeable 68.9°F (20.5°C). During the month of October, Olmsted anticipates a mean low-temperature of 51.1°F (10.6°C).

Humidity

October is the least humid month, with an average relative humidity of 69%.

Rainfall

In Olmsted, Illinois, during October, the rain falls for 11.3 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Olmsted, Illinois, during the entire year, the rain falls for 156.3 days and collects up to 36.65" (931mm) 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 0.1 snowfall days, it receives 0.08" (2mm) of snow. In Olmsted, during the entire year, snow falls for 11.5 days and aggregates up to 4.88" (124mm) of snow.

Daylight

The average length of the day in October is 11h and 13min.
On the first day of the month, sunrise is at 6:52 am and sunset at 6:39 pm. On the last day of October, sunrise is at 7:20 am and sunset at 5:59 pm CDT.

Sunshine

The average sunshine in October is 6.6h.

UV index

In Olmsted, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 during October translates into the following guidance:
Undertake protective steps - Preventing sun damage is advised. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Updated: Aug 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature in Olmsted?

The average high-temperature, in October, in Olmsted, is 68.9°F (20.5°C), while the average low-temperature is 51.1°F (10.6°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is appraised at 86°F (30°C).

What is the least humid month in Olmsted?

With an average relative humidity of 69%, October is the least humid month.

What is the average humidity in October?

In October, the average relative humidity is 69%.

How many days does it rain in October in Olmsted?

In Olmsted, during October, the rain falls for 11.3 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

How many hours of daylight does Olmsted have in October?

The average day length in October is 11h and 13min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 6:52 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:59 pm CDT.

How long on average sun shines in October in Olmsted?

In October, the average sunshine duration is 6.6h.

How high is the UV index in October?

In October, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
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
Olmsted, IL

Average temperature in October - Olmsted, IL
  • Average high temperature in October: 68.9°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in October: 51.1°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in October
Olmsted, IL

Average pressure in October - Olmsted, 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
Olmsted, IL

Average wind speed in October - Olmsted, IL
  • Average wind speed in October: 7.6mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in October
Olmsted, IL

Average humidity in October - Olmsted, IL
  • Average humidity in October: 69%

The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).

Average rainfall in October
Olmsted, IL

Average rainfall in October - Olmsted, IL
  • Average rainfall in October: 2.68"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in October
Olmsted, IL

Average rainfall days in October - Olmsted, IL
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

Average snowfall in October
Olmsted, IL

Average snowfall in October - Olmsted, IL
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Olmsted, IL

Average snowfall days in October - Olmsted, IL
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (3.8 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
Olmsted, IL

Average daylight in October / Average sunshine in October - Olmsted, IL
  • Average daylight in October: 11h and 1min

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 42min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in October
Olmsted, IL

Average sunshine days in October - Olmsted, IL
  • Average sunshine days in October: 18.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

Average UV index in October
Olmsted, IL

Average UV index in October - Olmsted, IL
  • Average UV index in October: 4

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
Olmsted, IL

Average cloud cover in October - Olmsted, IL
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

Average visibility in October
Olmsted, IL

Average visibility in October - Olmsted, 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).

Olmsted, Illinois, USA

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