June weather forecastSaint Robert, MO
June
Weather in June
June, the first month of the summer in Saint Robert, is a tropical month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 86.5°F (30.3°C).Temperature
Saint Robert's transition into June is marked by a rise in the average high-temperature, advancing from a moderately hot 75.7°F (24.3°C) in May to a hot 86.5°F (30.3°C). Despite high daytime temperatures, the average temperature lowers to an enjoyable 64.9°F (18.3°C) during June nights.Heat index
June's average heat index is calculated to be a sweltering 98.6°F (37°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a value derived by merging air temperature with the humidity to convey how the climate feels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. 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 hold particular importance for children. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
The human body has a built-in cooling mechanism through perspiration; evaporating sweat dissipates the excess heat. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
The average relative humidity in June is 74%.Rainfall
In Saint Robert, in June, it is raining for 16 days, with typically 3.35" (85mm) of accumulated precipitation. In Saint Robert, during the entire year, the rain falls for 147.7 days and collects up to 31.46" (799mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
With an average of 14h and 42min of daylight, June has the longest days of the year in Saint Robert.On the first day of the month, sunrise is at 5:47 am and sunset at 8:25 pm. On the last day of June, sunrise is at 5:50 am and sunset at 8:34 pm CDT.
Sunshine
June has the most sunshine of the year, with an average of 10.6h of sunshine.UV index
May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 6 in June translates into these instructions:
Conform to measures and uphold sun safety traditions. Warding off skin and eye harm is necessary. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Saint Robert, MO
- Average high temperature in June: 86.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (40.3°F).
- Average low temperature in June: 64.9°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 (25°F).
Average pressure in June
Saint Robert, MO
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Saint Robert, MO
- Average wind speed in June: 6.5mph
The windiest month (with the highest average wind speed) is January (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in June
Saint Robert, MO
- Average humidity in June: 74%
The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are August, September and October (73%).
Average rainfall in June
Saint Robert, MO
- Average rainfall in June: 3.35"
The wettest month (with the highest rainfall) is May (4.29").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in June
Saint Robert, MO
- Average rainfall days in June: 16 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in June
Saint Robert, MO
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Saint Robert, MO
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (7.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Saint Robert, MO
- Average daylight in June: 14h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in June: 10h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in June
Saint Robert, MO
- Average sunshine days in June: 11.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in June
Saint Robert, MO
- Average UV index in June: 6
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in June
Saint Robert, MO
- Average cloud cover in June: 28
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility in June
Saint Robert, MO
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





