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 start of October comes with a reduction in the average high-temperature, receding from a moderately hot 76.1°F (24.5°C) in September to a refreshing 63.1°F (17.3°C). Royal experiences a nighttime temperature average of 47.1°F (8.4°C) during October.Humidity
The least humid month in Royal is October, with an average relative humidity of 71%.Rainfall
In Royal, in October, during 9.6 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. Throughout the year, in Royal, there are 121.5 rainfall days, and 13.46" (342mm) of precipitation is accumulated.Snowfall
In Royal, snow does not fall in May through October.Daylight
In Royal, the average length of the day in October is 11h and 7min.On the first day of the month, sunrise is at 6:48 am and sunset at 6:33 pm. On the last day of October, sunrise is at 7:21 am and sunset at 5:49 pm CDT.
Sunshine
In October, the average sunshine in Royal, Illinois, is 6.2h.UV index
The average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in October leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What is the usual temperature for Royal in October?
What is the least humid month in Royal?
What is the average humidity in October in Royal?
How many days does it rain in October in Royal?
When it does not snow in Royal?
Does it snow in Royal in October?
How many hours of daylight does Royal have in October?
When are sunrise and sunset in October in Royal?
How many hours of sunshine does Royal have in October?
What is the UV index intensity in October in Royal?
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 1min
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 1min
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).
Royal, Illinois, USA
Weather forecast for your location
2. Allow the app to use your location
