Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
October's arrival coincides with a drop in the average high-temperature, decreasing from September's moderately hot 79.2°F (26.2°C) to a refreshing 66.7°F (19.3°C). West Salem observes an average low-temperature of 49.6°F (9.8°C) during October.Humidity
October is the least humid month, with an average relative humidity of 70%.Rainfall
In West Salem, in October, it is raining for 6.2 days, with typically 0.83" (21mm) of accumulated precipitation. Throughout the year, there are 109.3 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In West Salem, the average length of the day in October is 11h and 11min.On the first day of October, sunrise is at 6:48 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:52 pm CDT.
Sunshine
In October, the average sunshine is 6.7h.UV index
In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during October morphs into the following directions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To guard against the harmful effects of the Sun, minimize exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in October?
What is the least humid month?
What is the average humidity in October?
How many days does it rain in October?
When it does not snow?
Does it snow in October?
What is the average length of the day in October?
What time are sunrise and sunset in October?
How long on average sun shines in October?
What is the UV index reading in October?
Average temperature in October
West Salem, IL
- Average high temperature in October: 66.7°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in October: 49.6°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 (25°F).
Average pressure in October
West Salem, 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 (29.94"Hg).
Average wind speed in October
West Salem, IL
- Average wind speed in October: 8.6mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in October
West Salem, IL
- Average humidity in October: 70%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
West Salem, IL
- Average rainfall in October: 0.83"
The wettest month (with the highest rainfall) is April (1.3").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days in October
West Salem, IL
- Average rainfall days in October: 6.2 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is January (5.1 days).
Average snowfall in October
West Salem, IL
- Average snowfall in October: 0"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
West Salem, IL
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (3.8 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
West Salem, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in October
West Salem, IL
- Average sunshine days in October: 23.2 days
The month with the most sunshine days is October (23.2 days).
The months with the least sunshine days are May and June (14.3 days).
Average UV index in October
West Salem, 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
West Salem, IL
- Average cloud cover in October: 32
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in October
West Salem, 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).
West Salem, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location