October weather forecast
Spring Valley, IL

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Weather in October

October, the same as September, is another enjoyable autumn month in Spring Valley, Illinois, with an average temperature ranging between min 45.7°F (7.6°C) and max 61.7°F (16.5°C).

Temperature

In Spring Valley, the average high-temperature in October drops from a moderately hot 74.7°F (23.7°C) in September to an enjoyable 61.7°F (16.5°C). During October, Spring Valley's temperature averages to a frosty 45.7°F (7.6°C) at night.

Humidity

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

Rainfall

In Spring Valley, in October, during 13.2 rainfall days, 2.87" (73mm) of precipitation is typically accumulated. In Spring Valley, during the entire year, the rain falls for 152.7 days and collects up to 30.79" (782mm) of precipitation.

Snowfall

Months with snowfall in Spring Valley, Illinois, are January through April, October through December. October is the first month it typically snows in Spring Valley. Throughout October, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow. In Spring Valley, during the entire year, snow falls for 39.5 days and aggregates up to 15.31" (389mm) of snow.

Daylight

The average length of the day in October is 11h and 5min.
On the first day of the month, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of October, in Spring Valley, Illinois, sunrise is at 7:27 am and sunset at 5:52 pm CDT.

Sunshine

In October, the average sunshine is 5.7h.

UV index

The average daily maximum UV index in October in Spring Valley is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A typical high UV index of 3 in October suggests the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the temperature in October in Spring Valley?

In Spring Valley, in October, the average high-temperature is 61.7°F (16.5°C), and the average low-temperature is 45.7°F (7.6°C). In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines relative humidity and air temperature, is computed to be 86°F (30°C).

What is the least humid month in Spring Valley?

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

What is the average humidity in October in Spring Valley?

The average relative humidity in October is 72%.

How much does it rain in Spring Valley in October?

In Spring Valley, Illinois, in October, it is raining for 13.2 days, with typically 2.87" (73mm) of accumulated precipitation.

When does it start snowing in Spring Valley?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.43" (11mm) of snow.

What is the average length of the day in October in Spring Valley?

The average day length in October in Spring Valley is 11h and 5min.

When is the sunrise / sunset in October in Spring Valley?

In October, on the first day of the month, sunrise is at 6:54 am and sunset at 6:38 pm. On the last day of the month, in Spring Valley, sunrise is at 7:27 am and sunset at 5:52 pm CDT.

How many hours of sunshine does Spring Valley have in October?

In Spring Valley, Illinois, the average sunshine duration in October is 5.7h.

What is the UV index intensity in October in Spring Valley?

The average daily maximum UV index in October in Spring Valley is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Spring Valley, IL

Average temperature in October - Spring Valley, IL
  • Average high temperature in October: 61.7°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in October: 45.7°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).

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Average pressure in October
Spring Valley, IL

Average pressure in October - Spring Valley, IL
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in October
Spring Valley, IL

Average wind speed in October - Spring Valley, IL
  • Average wind speed in October: 9.2mph

The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).

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Average humidity in October
Spring Valley, IL

Average humidity in October - Spring Valley, IL
  • Average humidity in October: 72%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in October
Spring Valley, IL

Average rainfall in October - Spring Valley, IL
  • Average rainfall in October: 2.87"

The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and December (1.61").

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Average rainfall days in October
Spring Valley, IL

Average rainfall days in October - Spring Valley, IL
  • Average rainfall days in October: 13.2 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in October
Spring Valley, IL

Average snowfall in October - Spring Valley, IL
  • Average snowfall in October: 0.43"

The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in October
Spring Valley, IL

Average snowfall days in October - Spring Valley, IL
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in October /
Average sunshine in October
Spring Valley, IL

Average daylight in October / Average sunshine in October - Spring Valley, 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 18min).

  • Average sunshine in October: 5h and 4min

The months with the most sunshine are June, July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

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Average sunshine days in October
Spring Valley, IL

Average sunshine days in October - Spring Valley, IL
  • Average sunshine days in October: 15.5 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (10.2 days).

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Average UV index in October
Spring Valley, IL

Average UV index in October - Spring Valley, 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 and December (UV index 1).

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Average cloud cover in October
Spring Valley, IL

Average cloud cover in October - Spring Valley, IL
  • Average cloud cover in October: 39

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 32).

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Average visibility in October
Spring Valley, IL

Average visibility in October - Spring Valley, IL
  • Average visibility in October: 6mi

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

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Spring Valley, Illinois, USA

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