June weather forecastOpal, SD
June
Weather in June
June, the first month of the summer in Opal, is a warm month, with an average temperature ranging between min 58.3°F (14.6°C) and max 78.6°F (25.9°C).Temperature
The shift into June is accompanied by a temperature increase, with the average high-temperature rising from an enjoyable 66°F (18.9°C) in May to a moderately hot 78.6°F (25.9°C). The nighttime temperature, during June, averages of 58.3°F (14.6°C).Humidity
The average relative humidity in June in Opal is 60%.Rainfall
In Opal, during June, the rain falls for 13.8 days and regularly aggregates up to 2.28" (58mm) of precipitation. Throughout the year, there are 99.7 rainfall days, and 16.06" (408mm) of precipitation is accumulated.Snowfall
In Opal, South Dakota, snow does not fall in June through September.Daylight
The month with the longest days is June, with an average of 15h and 30min of daylight.On the first day of the month, sunrise is at 5:06 am and sunset at 8:29 pm. On the last day of June, sunrise is at 5:07 am and sunset at 8:40 pm MDT.
Sunshine
The average sunshine in June in Opal, South Dakota, is 10.8h.UV index
In June, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In June, a regular UV index of 6 translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Opal, SD
- Average high temperature in June: 78.6°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in June: 58.3°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (13.6°F).
Average pressure in June
Opal, SD
- Average pressure in June: 29.84"Hg
The months with the highest atmospheric pressure are January and February (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in June
Opal, SD
- Average wind speed in June: 11.1mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest months (with the lowest average wind speed) are February and August (10.4mph).
Average humidity in June
Opal, SD
- Average humidity in June: 60%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are August and September (49%).
Average rainfall in June
Opal, SD
- Average rainfall in June: 2.28"
The wettest month (with the highest rainfall) is May (2.83").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in June
Opal, SD
- Average rainfall days in June: 13.8 days
The month with the highest number of rainy days is May (14.7 days).
The months with the least rainy days are January and February (3.3 days).
Average snowfall in June
Opal, SD
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.12").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Opal, SD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Opal, SD
- Average daylight in June: 15h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in June: 10h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in June
Opal, SD
- Average sunshine days in June: 13.4 days
The month with the most sunshine days is September (20.4 days).
The month with the least sunshine days is April (12.4 days).
Average UV index in June
Opal, SD
- Average UV index in June: 6
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Opal, SD
- Average cloud cover in June: 27
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 19).
Average visibility in June
Opal, 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).
