October weather forecast
Valmeyer, IL

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Weather in October

October, like September, in Valmeyer, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 66.7°F (19.3°C) and 48.9°F (9.4°C).

Temperature

With October's onset, the weather shows a temperature decrease, transitioning from a moderately hot 79.5°F (26.4°C) in September to a refreshing 66.7°F (19.3°C). Throughout October, Valmeyer anticipates an average low-temperature of 48.9°F (9.4°C).

Humidity

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

Rainfall

In Valmeyer, in October, during 9.5 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 139.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

Snowfall

In Valmeyer, snow does not fall in April through August and October.

Daylight

In Valmeyer, the average length of the day in October is 11h and 11min.
On the first day of the month, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of October, in Valmeyer, sunrise is at 7:27 am and sunset at 6:02 pm CDT.

Sunshine

The average sunshine in October is 6.3h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jun 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average October temperature?

During October, Valmeyer experiences an average high-temperature of 66.7°F (19.3°C) and a low-temperature of 48.9°F (9.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, in August is appraised at 95°F (35°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 Valmeyer, the average relative humidity in October is 71%.

How many days does it rain in October?

In October, the rain falls for 9.5 days. Throughout October, 1.85" (47mm) of precipitation is accumulated.

When it does not snow?

April through August and October are months without snowfall.

Does it snow in October?

In October, it doesn't snow. September is the latest month when it typically snows.

What is the average length of the day in October?

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

When are sunrise and sunset in October?

In October, on the first day of the month, sunrise is at 6:57 am and sunset at 6:43 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:02 pm CDT.

How long on average sun shines in October?

In Valmeyer, the average sunshine duration in October is 6.3h.

How high is the UV index in October?

In Valmeyer, the average daily maximum UV index in October is 3. A UV Index estimate 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
Valmeyer, IL

Average temperature in October - Valmeyer, IL
  • Average high temperature in October: 66.7°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in October: 48.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).

Average pressure in October
Valmeyer, IL

Average pressure in October - Valmeyer, IL
  • Average pressure in October: 30.04"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
Valmeyer, IL

Average wind speed in October - Valmeyer, IL
  • Average wind speed in October: 7.7mph

The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

Average humidity in October
Valmeyer, IL

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

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

Average rainfall in October
Valmeyer, IL

Average rainfall in October - Valmeyer, IL
  • Average rainfall in October: 1.85"

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are February and November (1.34").

Average rainfall days in October
Valmeyer, IL

Average rainfall days in October - Valmeyer, IL
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in October
Valmeyer, IL

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

The month with the highest snowfall is January (1.89").
The months with the least snowfall are April, May, June, July, August and October (0").

Average snowfall days in October
Valmeyer, IL

Average snowfall days in October - Valmeyer, IL
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in October / Average sunshine in October - Valmeyer, 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 36min).

  • Average sunshine in October: 6h and 2min

The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

Average sunshine days in October
Valmeyer, IL

Average sunshine days in October - Valmeyer, IL
  • Average sunshine days in October: 20 days

The month with the most sunshine days is January (20.6 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in October
Valmeyer, IL

Average UV index in October - Valmeyer, 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 and December (UV index 2).

Average cloud cover in October
Valmeyer, IL

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

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in October
Valmeyer, IL

Average visibility in October - Valmeyer, 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).

Valmeyer, Illinois, USA

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