October weather forecastRoyal, IL
October
Weather in October
October, the same as September, is another refreshing autumn month in Royal, Illinois, with an average temperature fluctuating between 47.1°F (8.4°C) and 63.1°F (17.3°C).Temperature
Setting in of October comes with a decrease in the average high-temperature, moving from a warm 76.1°F (24.5°C) in September to an enjoyable 63.1°F (17.3°C). Royal's average low-temperature during October nights is observed to be a frosty 47.1°F (8.4°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In October, the rain falls for 9.6 days. Throughout October, 1.06" (27mm) of precipitation is accumulated. In Royal, during the entire year, the rain falls for 121.5 days and collects up to 13.46" (342mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in October is 11h and 7min.On the first day of October, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:49 pm CDT.
Sunshine
The average sunshine in October is 6.2h.UV index
In Royal, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in October converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Royal, IL
- Average high temperature in October: 63.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in October: 47.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in October
Royal, IL
- Average pressure in October: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in October
Royal, IL
- Average wind speed in October: 9.4mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in October
Royal, IL
- Average humidity in October: 71%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Royal, IL
- Average rainfall in October: 1.06"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in October
Royal, IL
- Average rainfall days in October: 9.6 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in October
Royal, IL
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Royal, IL
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (7.9 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
Royal, IL
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in October: 6h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in October
Royal, IL
- Average sunshine days in October: 18.8 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in October
Royal, 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, February, November and December (UV index 2).
Average cloud cover in October
Royal, IL
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Royal, IL
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
