October weather forecast
La Harpe, IL

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Weather in October

October, the same as September, is another comfortable autumn month in La Harpe, Illinois, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 46°F (7.8°C).

Temperature

The arrival of October corresponds with a temperature reduction, down from September's warm 76.8°F (24.9°C) to an enjoyable 63°F (17.2°C). Throughout October, La Harpe witnesses a nighttime temperature average of 46°F (7.8°C).

Humidity

The least humid month in La Harpe is October, with an average relative humidity of 71%.

Rainfall

In La Harpe, during October, the rain falls for 9.9 days and regularly aggregates up to 1.46" (37mm) of precipitation. In La Harpe, during the entire year, the rain falls for 127.6 days and collects up to 21.02" (534mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in La Harpe, Illinois. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 26.4 snowfall days, and 9.06" (230mm) of snow is accumulated.

Daylight

In La Harpe, the average length of the day in October is 11h and 7min.
On the first day of October, sunrise is at 7:01 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:01 pm CDT.

Sunshine

In La Harpe, the average sunshine in October is 5.5h.

UV index

In October, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the UV index of 3 transforms into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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Frequently asked questions

What are the temperatures in La Harpe in October?

In La Harpe, 63°F (17.2°C) is the average high-temperature and 46°F (7.8°C) is the average low-temperature during October. The average heat index (a.k.a. 'feels like', 'real feel'), which combines relative humidity and air temperature, in August is calculated to be 89.6°F (32°C).

What is the least humid month in La Harpe?

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

What is the average humidity in October in La Harpe?

In October, the average relative humidity in La Harpe is 71%.

How many days does it rain in October in La Harpe?

In La Harpe, Illinois, during October, the rain falls for 9.9 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When does it start to snow in La Harpe?

October is the first month it typically snows in La Harpe. Throughout October, in the average 0.3 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does La Harpe have in October?

In La Harpe, Illinois, the average day length in October is 11h and 7min.

When are sunrise and sunset in October in La Harpe?

On the first day of October in La Harpe, sunrise is at 7:01 am and sunset at 6:45 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 6:01 pm CDT.

How many hours of sunshine does La Harpe have in October?

In October, the average sunshine duration in La Harpe is 5.5h.

How high is the UV index in October in La Harpe?

The average daily maximum UV index in October in La Harpe, Illinois, is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
La Harpe, IL

Average temperature in October - La Harpe, IL
  • Average high temperature in October: 63°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in October: 46°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in October
La Harpe, IL

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

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in October
La Harpe, IL

Average wind speed in October - La Harpe, IL
  • Average wind speed in October: 9.4mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.7mph).

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Average humidity in October
La Harpe, IL

Average humidity in October - La Harpe, IL
  • Average humidity in October: 71%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in October
La Harpe, IL

Average rainfall in October - La Harpe, IL
  • Average rainfall in October: 1.46"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is January (0.83").

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Average rainfall days in October
La Harpe, IL

Average rainfall days in October - La Harpe, IL
  • Average rainfall days in October: 9.9 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall in October
La Harpe, IL

Average snowfall in October - La Harpe, IL
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
La Harpe, IL

Average snowfall days in October - La Harpe, IL
  • Average snowfall days in October: 0.3 days

The month with the highest number of snowfall days is January (8.5 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
La Harpe, IL

Average daylight in October / Average sunshine in October - La Harpe, 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 18min).

  • Average sunshine in October: 5h and 3min

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

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Average sunshine days in October
La Harpe, IL

Average sunshine days in October - La Harpe, IL
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is December (20 days).
The months with the least sunshine days are May and June (11.8 days).

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Average UV index in October
La Harpe, IL

Average UV index in October - La Harpe, 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
La Harpe, IL

Average cloud cover in October - La Harpe, IL
  • Average cloud cover in October: 37

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).

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Average visibility in October
La Harpe, IL

Average visibility in October - La Harpe, 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).

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La Harpe, Illinois, USA

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