June weather forecastRiverton, IL
June
Weather in June
June, the first month of the summer in Riverton, is a moderately hot month, with temperature in the range of an average low of 64.4°F (18°C) and an average high of 81.1°F (27.3°C).Temperature
The coming of June brings a minor shift in Riverton's weather, with average high-temperatures adjusting from May's agreeable 72.9°F (22.7°C) to a warm 81.1°F (27.3°C). Riverton in June anticipates an average nighttime temperature of 64.4°F (18°C).Heat index
The heat index for June is appraised at a tropical 86°F (30°C). If one remains active during constant exposure, it might cause exhaustion and heat cramps.Regarding the heat index, one should be aware it's determined by shaded settings and mild winds. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In June, the average relative humidity is 80%.Rainfall
The month with the most rainfall is June, when the rain falls for 14.6 days and typically aggregates up to 2.36" (60mm) of precipitation.Snowfall
In Riverton, snow does not fall in May through October.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:31 am and sunset at 8:20 pm. On the last day of June, sunrise is at 5:33 am and sunset at 8:30 pm CDT.
Sunshine
June has the most sunshine of the year, with an average of 10.4h of sunshine.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 hazard from unprotected exposure to Sun's UV rays for the average person.Note: In June, the maximum UV index of 6 translates into these guidelines:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Riverton, IL
- Average high temperature in June: 81.1°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in June: 64.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in June
Riverton, IL
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Riverton, IL
- Average wind speed in June: 7.3mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in June
Riverton, IL
- Average humidity in June: 80%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in June
Riverton, IL
- Average rainfall in June: 2.36"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days in June
Riverton, IL
- Average rainfall days in June: 14.6 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in June
Riverton, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Riverton, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (8 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
Riverton, 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 24min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Riverton, IL
- Average sunshine days in June: 12.2 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in June
Riverton, 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
Riverton, IL
- Average cloud cover in June: 30
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in June
Riverton, 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).
