Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
Royal in June denotes a subtle temperature transition, adjusting from an average high of an agreeable 72.1°F (22.3°C) in May to a moderately hot 79.9°F (26.6°C). Throughout June nights, Royal registers an average low-temperature of 63.7°F (17.6°C).Humidity
In June, the average relative humidity is 80%.Rainfall
In Royal, Illinois, in June, it is raining for 14.2 days, with typically 1.57" (40mm) of accumulated precipitation. In Royal, during the entire year, the rain falls for 121.5 days and collects up to 13.46" (342mm) of precipitation.Snowfall
In Royal, snow does not fall in May through October.Daylight
With an average of 15h and 0min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:24 am and sunset at 8:15 pm. On the last day of June, sunrise is at 5:26 am and sunset at 8:25 pm CDT.
Sunshine
The month with the most sunshine is June, with an average of 10.1h of sunshine.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 6 in June leads to these recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in June?
What is the average humidity in June?
How much does it rain in June?
When it does not snow?
When are the longest days?
How many hours of daylight does Royal have in June?
When are sunrise and sunset in June in Royal?
What month has the most sunshine?
How many hours of sunshine does Royal have in June?
What is the month with the highest UV index?
How high is the UV index in June?
Average temperature in June
Royal, IL
- Average high temperature in June: 79.9°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 June: 63.7°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 June
Royal, IL
- Average pressure in June: 29.92"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 June
Royal, IL
- Average wind speed in June: 7.7mph
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 June
Royal, IL
- Average humidity in June: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Royal, IL
- Average rainfall in June: 1.57"
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 June
Royal, IL
- Average rainfall days in June: 14.2 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 June
Royal, IL
- Average snowfall in June: 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 June
Royal, IL
- Average snowfall days in June: 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 June /
Average sunshine in June
Royal, IL
- Average daylight in June: 15h and 0min
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 June: 10h 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 June
Royal, IL
- Average sunshine days in June: 11.8 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 June
Royal, IL
- Average UV index in June: 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 June
Royal, IL
- Average cloud cover in June: 32
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 June
Royal, IL
- Average visibility in June: 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
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