United StatesAverage weather for Romeoville in October
It's cool to moderate in October in Romeoville with an average temperature of 18°C. Temperatures this month range from a low of 10°C to a high of 22°C. At night, you can expect temperatures between 3°C and 13°C.
Start of October
The month of October starts in Romeoville with warm temps, averaging around 22°C during the day and nights around 12°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid October
By mid-October, daytime temps drop to around 18°C, with nights around 7°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of October
By the end of October, the average daytime temperature in Romeoville is around 14°C, while nighttime temps are about 6°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.
In October, there is an average of 86 mm of precipitation, spread over 6 days. Of the total precipitation, about 0,5 cm falls as snow in October. The wind speed is around 4 Bft, mostly coming from the South.
Romeoville in October |
New York | ||
|---|---|---|---|
 Average temperature |
18°C | 21°C | |
 Max. temperature |
22°C | 26°C | |
| Min. temperature |
10°C | -5°C | |
 Total precipitation |
86 mm | 119 mm | |
| Rainy days |
6 days | 13 days | |
 Total snowfall |
0,5 cm | 0 cm | |
| Snowy days |
1 day | 0 days | |
September
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Is October a good time to visit Romeoville?
Looking for great weather? October is a good time to be in Romeoville. The temperatures are nice, and there’s not too much rain.
Temperature records
With 32°C in 2018, Romeoville reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 1°C in 2023. The extreme nighttime temperatures ranged from a lowest recorded value of -4°C to a highest value of 21°C.
Check out the climate of Romeoville for all months and discover the best travel time
Daily Temperature in October in Romeoville
This chart shows the average daily high and low temperatures in October for Romeoville, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in Romeoville
The chart below shows the average daily precipitation in October for Romeoville, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 6 days of precipitation in Romeoville.
Daily Snowfall in October in Romeoville
This chart shows the average daily snowfall in October in Romeoville, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in October.
Daily UV index in October in Romeoville
This chart shows the average daily UV index in October in Romeoville, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in October in Romeoville over the years
This chart shows the average temperature in October in Romeoville, measured in degrees Celsius, over the past few years.
Total precipitation in October in Romeoville over the years
This chart shows the average precipitation in October in Romeoville, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in October in Romeoville per year
This chart shows the average snowfall in October in Romeoville, measured in centimeters, over the past few years.
Daily weather in October for Romeoville
Click on any day in October to get detailed info about the usual weather on that day in Romeoville. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in October in Romeoville
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Average weather in Romeoville by month
Click on a month below to see detailed weather info for Romeoville. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Romeoville for all months at once
