Contents
- Weather in July
- Frequently asked questions
- Average temperature in July
- Average pressure in July
- Average wind speed in July
- Average humidity in July
- Average rainfall in July
- Average rainfall days in July
- Average snowfall in July
- Average snowfall days in July
- Average daylight in July
- Average sunshine in July
- Average sunshine days in July
- Average UV index in July
- Average cloud cover in July
- Average visibility in July
Weather in July
Temperature
During the warmest month, July, temperatures average a high of 81°F (27.2°C) and a low of 64.8°F (18.2°C).Heat index
The heat index value for July is evaluated at a tropical 87.8°F (31°C). Staying active during long-term exposure might result in a state of exhaustion and cause heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'apparent temperature' or 'feels like', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The most humid month in Royal is July, with an average relative humidity of 85%.Rainfall
In Royal, in July, during 13.9 rainfall days, 1.38" (35mm) of precipitation is typically 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
In July, the average length of the day is 14h and 42min.On the first day of the month, sunrise is at 5:26 am and sunset at 8:25 pm. On the last day of July, in Royal, sunrise is at 5:49 am and sunset at 8:06 pm CDT.
Sunshine
In July, the average sunshine is 9.9h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 6 during July, leads to the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the warmest month in Royal?
What are July temperatures in Royal?
What is the most humid month in Royal?
What is the average humidity in July in Royal?
How many days does it rain in July in Royal?
When it does not snow in Royal?
How many hours of daylight does Royal have in July?
When is the sunrise / sunset in July in Royal?
How long on average sun shines in July in Royal?
What is the month with the highest UV index in Royal?
What is the UV index reading in July in Royal?
Average temperature in July
Royal, IL
- Average high temperature in July: 81°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 July: 64.8°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 July
Royal, IL
- Average pressure in July: 29.97"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 July
Royal, IL
- Average wind speed in July: 6.5mph
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 July
Royal, IL
- Average humidity in July: 85%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in July
Royal, IL
- Average rainfall in July: 1.38"
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 July
Royal, IL
- Average rainfall days in July: 13.9 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 July
Royal, IL
- Average snowfall in July: 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 July
Royal, IL
- Average snowfall days in July: 0 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 July /
Average sunshine in July
Royal, IL
- Average daylight in July: 14h and 4min
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 July: 9h and 5min
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 July
Royal, IL
- Average sunshine days in July: 11.3 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 July
Royal, IL
- Average UV index in July: 6
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 July
Royal, IL
- Average cloud cover in July: 33
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 July
Royal, IL
- Average visibility in July: 5mi
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
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