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
The onset of October comes with a shift in the average high-temperature, falling from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.2°F (15.1°C). During October, the nighttime temperature averages to a chilly 45.5°F (7.5°C).Humidity
With an average relative humidity of 74%, October is the least humid month in Mettawa.Rainfall
In Mettawa, in October, it is raining for 13.5 days, with typically 2.36" (60mm) of accumulated precipitation. In Mettawa, Illinois, during the entire year, the rain falls for 147.3 days and collects up to 27.44" (697mm) of precipitation.Snowfall
Months with snowfall in Mettawa are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow. In Mettawa, during the entire year, snow falls for 48.2 days and aggregates up to 18.86" (479mm) of snow.Daylight
In Mettawa, the average length of the day in October is 11h and 3min.On the first day of October, sunrise is at 6:49 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:46 pm CDT.
Sunshine
In October, the average sunshine is 5.5h.UV index
The average daily maximum UV index in October is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in October leads to these recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mettawa in October?
What is the least humid month in Mettawa?
What is the average humidity in October in Mettawa?
How much does it rain in Mettawa in October?
When does it start snowing in Mettawa?
What is the average length of the day in October in Mettawa?
What time are sunrise and sunset in October in Mettawa?
How long on average sun shines in October in Mettawa?
How high is the UV index in October in Mettawa?
Average temperature in October
Mettawa, IL
- Average high temperature in October: 59.2°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in October: 45.5°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 (16.5°F).
Average pressure in October
Mettawa, IL
- Average pressure in October: 30"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Mettawa, IL
- Average wind speed in October: 9mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Mettawa, IL
- Average humidity in October: 74%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Mettawa, IL
- Average rainfall in October: 2.36"
The wettest month (with the highest rainfall) is June (3.54").
The driest months (with the least rainfall) are November and December (1.3").
Average rainfall days in October
Mettawa, IL
- Average rainfall days in October: 13.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in October
Mettawa, IL
- Average snowfall in October: 0.31"
The month with the highest snowfall is February (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Mettawa, IL
- Average snowfall days in October: 0.6 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Mettawa, IL
- Average daylight in October: 11h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in October: 5h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in October
Mettawa, IL
- Average sunshine days in October: 14.4 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (10 days).
Average UV index in October
Mettawa, IL
- Average UV index in October: 2
The months with the highest UV index are July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in October
Mettawa, IL
- Average cloud cover in October: 44
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in October
Mettawa, IL
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Mettawa, Illinois, USA
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