June weather forecastSummerville, SD
June
Weather in June
The first month of the summer, June, is a moderately hot month in Summerville, South Dakota, with an average temperature varying between 76.3°F (24.6°C) and 56.3°F (13.5°C).Temperature
As May gives way to June, the average high-temperature displays an increase, moving from a refreshing 64.9°F (18.3°C) to a moderately hot 76.3°F (24.6°C). Summerville cools down to an average low-temperature of 56.3°F (13.5°C) throughout the month of June.Humidity
In Summerville, the average relative humidity in June is 62%.Rainfall
The month with the most rainfall is June, when the rain falls for 15.1 days and typically aggregates up to 2.28" (58mm) of precipitation.Snowfall
In Summerville, South Dakota, snow does not fall in June through September.Daylight
June has the longest days of the year, with an average of 15h and 42min of daylight.On the first day of June, sunrise is at 5:01 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:02 am and sunset at 8:42 pm MDT.
Sunshine
In Summerville, the average sunshine in June is 10.7h.UV index
The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 6 during June translates into the following directions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Summerville, SD
- Average high temperature in June: 76.3°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in June: 56.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (11.7°F).
Average pressure in June
Summerville, SD
- Average pressure in June: 29.84"Hg
The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in June
Summerville, SD
- Average wind speed in June: 10.5mph
The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is August (9.6mph).
Average humidity in June
Summerville, SD
- Average humidity in June: 62%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (51%).
Average rainfall in June
Summerville, SD
- Average rainfall in June: 2.28"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is January (0.47").
Average rainfall days in June
Summerville, SD
- Average rainfall days in June: 15.1 days
The month with the highest number of rainy days is June (15.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in June
Summerville, SD
- Average snowfall in June: 0"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Summerville, SD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is February (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Summerville, SD
- Average daylight in June: 15h and 42min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in June: 10h and 42min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in June
Summerville, SD
- Average sunshine days in June: 11.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in June
Summerville, SD
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in June
Summerville, SD
- Average cloud cover in June: 28
The months with the most cloud cover are January and February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 20).
Average visibility in June
Summerville, SD
- 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).





