June weather forecastRayville, MO
June
Weather in June
June, the first month of the summer in Rayville, is a moderately hot month, with an average temperature varying between 82.8°F (28.2°C) and 65.5°F (18.6°C).Temperature
The arrival of June brings an increase in high-temperatures, moving from an agreeable 72.5°F (22.5°C) in May to a warm 82.8°F (28.2°C). Rayville observes an average low-temperature of 65.5°F (18.6°C) during June.Heat index
During June, the heat index is evaluated at a hot 91.4°F (33°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is what the temperature feels like to the human body when the air temperature is combined with 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. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The months with the highest humidity are May and June, with an average relative humidity of 80%.Rainfall
In June, the rain falls for 15.6 days. Throughout June, 3.54" (90mm) of precipitation is accumulated. Throughout the year, there are 137 rainfall days, and 27.52" (699mm) of precipitation is accumulated.Snowfall
In Rayville, snow does not fall in June through September.Daylight
With an average of 14h and 54min of daylight, June has the longest days of the year.On the first day of the month, sunrise is at 5:51 am and sunset at 8:37 pm. On the last day of June, sunrise is at 5:53 am and sunset at 8:47 pm CDT.
Sunshine
In June, the average sunshine is 10.2h.UV index
The months with the highest UV index in Rayville are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Deflect overexposure. Sun protection is a necessity. 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. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Rayville, MO
- Average high temperature in June: 82.8°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in June: 65.5°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in June
Rayville, MO
- Average pressure in June: 29.9"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in June
Rayville, MO
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in June
Rayville, MO
- Average humidity in June: 80%
The months with the highest relative humidity are May and June (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Rayville, MO
- Average rainfall in June: 3.54"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in June
Rayville, MO
- Average rainfall days in June: 15.6 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in June
Rayville, MO
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Rayville, MO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Rayville, MO
- Average daylight in June: 14h and 54min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in June: 10h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in June
Rayville, MO
- Average sunshine days in June: 11.7 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in June
Rayville, MO
- 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
Rayville, MO
- Average cloud cover in June: 29
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in June
Rayville, MO
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





