October weather forecast
Fairmount, IL

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Weather in October

October, like September, in Fairmount, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 47.1°F (8.4°C) and 63.1°F (17.3°C).

Temperature

The transition into October indicates a reduction in the average high-temperature, down to a comfortable 63.1°F (17.3°C) from September's warm 76.1°F (24.5°C). An average low-temperature of 47.1°F (8.4°C) marks the nights in Fairmount throughout October.

Humidity

October is the least humid month, with an average relative humidity of 72%.

Rainfall

In Fairmount, during October, the rain falls for 12.4 days and regularly aggregates up to 2.05" (52mm) of precipitation. In Fairmount, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

Snowfall

In Fairmount, Illinois, snow does not fall in May through October.

Daylight

In Fairmount, the average length of the day in October is 11h and 8min.
On the first day of October in Fairmount, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:49 pm CDT.

Sunshine

In October, the average sunshine in Fairmount is 6.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 3 during October leads to these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Frequently asked questions

What are the temperatures in Fairmount in October?

October temperatures in Fairmount vary between a high-temperature of 63.1°F (17.3°C) and a low-temperature of 47.1°F (8.4°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the least humid month in Fairmount?

The least humid month in Fairmount, Illinois, is October, with an average relative humidity of 72%.

What is the average humidity in October in Fairmount?

In October, the average relative humidity in Fairmount is 72%.

How many days does it rain in October in Fairmount?

In Fairmount, Illinois, in October, it is raining for 12.4 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow in Fairmount?

In Fairmount, Illinois, snow does not fall in May through October.

Does it snow in Fairmount in October?

In Fairmount, Illinois, in October, it doesn't snow. In November, it regularly snows.

What is the average length of the day in October in Fairmount?

In Fairmount, Illinois, the average day length in October is 11h and 8min.

What time are sunrise and sunset in October in Fairmount?

On the first day of October in Fairmount, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:49 pm CDT.

How many hours of sunshine does Fairmount have in October?

In October, the average sunshine duration is 6.3h.

How high is the UV index in October in Fairmount?

The average daily maximum UV index in October in Fairmount is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Fairmount, IL

Average temperature in October - Fairmount, IL
  • Average high temperature in October: 63.1°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 (31.6°F).

  • Average low temperature in October: 47.1°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 (20.5°F).

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Average pressure in October
Fairmount, IL

Average pressure in October - Fairmount, IL
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Fairmount, IL

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

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average humidity in October
Fairmount, IL

Average humidity in October - Fairmount, IL
  • Average humidity in October: 72%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in October
Fairmount, IL

Average rainfall in October - Fairmount, IL
  • Average rainfall in October: 2.05"

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

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Average rainfall days in October
Fairmount, IL

Average rainfall days in October - Fairmount, IL
  • Average rainfall days in October: 12.4 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall in October
Fairmount, IL

Average snowfall in October - Fairmount, IL
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Fairmount, IL

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

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Fairmount, IL

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in October: 6h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in October
Fairmount, IL

Average sunshine days in October - Fairmount, IL
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index in October
Fairmount, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Fairmount, IL

Average cloud cover in October - Fairmount, IL
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).

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Average visibility in October
Fairmount, IL

Average visibility in October - Fairmount, IL
  • Average visibility in October: 6mi

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

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Fairmount, Illinois, USA

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