October weather forecast
Pierron, IL

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Weather in October

October, like September, in Pierron, Illinois, is another comfortable autumn month, with an average temperature ranging between min 48.9°F (9.4°C) and max 65.7°F (18.7°C).

Temperature

October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 78.1°F (25.6°C) to an enjoyable 65.7°F (18.7°C). Pierron experiences an average low-temperature of 48.9°F (9.4°C) in the month of October.

Humidity

With an average relative humidity of 71%, October is the least humid month.

Rainfall

In Pierron, during October, the rain falls for 7.3 days and regularly aggregates up to 1.02" (26mm) of precipitation. Throughout the year, there are 110.6 rainfall days, and 12.01" (305mm) of precipitation is accumulated.

Snowfall

January through March, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 15.9 snowfall days, and 2.32" (59mm) of snow is accumulated.

Daylight

In October, the average length of the day in Pierron is 11h and 10min.
On the first day of the month, sunrise is at 6:54 am and sunset at 6:40 pm. On the last day of October, sunrise is at 7:25 am and sunset at 5:58 pm CDT.

Sunshine

In October, the average sunshine is 6.3h.

UV index

In Pierron, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in October?

In October, the average high-temperature and low-temperature are 65.7°F (18.7°C) and 48.9°F (9.4°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is appraised at 93.2°F (34°C).

What is the least humid month?

October is the least humid month, with an average relative humidity of 71%.

What is the average humidity in October?

In October, the average relative humidity is 71%.

How many days does it rain in October?

In Pierron, in October, it is raining for 7.3 days, with typically 1.02" (26mm) of accumulated 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 0.04" (1mm) of snow.

How many hours of daylight does Pierron have in October?

In Pierron, the average day length in October is 11h and 10min.

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:54 am and sunset at 6:40 pm. On the last day of the month, in Pierron, sunrise is at 7:25 am and sunset at 5:58 pm CDT.

How many hours of sunshine does Pierron have in October?

The average sunshine duration in October is 6.3h.

How high is the UV index in October?

In Pierron, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Pierron, IL

Average temperature in October - Pierron, IL
  • Average high temperature in October: 65.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in October: 48.9°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in October
Pierron, IL

Average pressure in October - Pierron, IL
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Pierron, IL

Average wind speed in October - Pierron, IL
  • Average wind speed in October: 8.2mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in October
Pierron, IL

Average humidity in October - Pierron, IL
  • Average humidity in October: 71%

The months with the highest relative humidity are July and August (80%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Pierron, IL

Average rainfall in October - Pierron, IL
  • Average rainfall in October: 1.02"

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.55").

Average rainfall days in October
Pierron, IL

Average rainfall days in October - Pierron, IL
  • Average rainfall days in October: 7.3 days

The month with the highest number of rainy days is May (13.1 days).
The months with the least rainy days are January and December (5.9 days).

Average snowfall in October
Pierron, IL

Average snowfall in October - Pierron, IL
  • Average snowfall in October: 0.04"

The month with the highest snowfall is December (0.94").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in October
Pierron, IL

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

The months with the highest number of snowfall days are January and February (4.8 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
Pierron, IL

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in October
Pierron, IL

Average sunshine days in October - Pierron, IL
  • Average sunshine days in October: 21.5 days

The month with the most sunshine days is December (21.8 days).
The month with the least sunshine days is July (14.5 days).

Average UV index in October
Pierron, IL

Average UV index in October - Pierron, IL
  • Average UV index in October: 3

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, November and December (UV index 2).

Average cloud cover in October
Pierron, IL

Average cloud cover in October - Pierron, IL
  • Average cloud cover in October: 32

The months with the most cloud cover are January and February (Cloud cover 50).
The months with the least cloud cover are June, July, August and September (Cloud cover 28).

Average visibility in October
Pierron, IL

Average visibility in October - Pierron, 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).

Pierron, Illinois, USA

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