June weather forecastWestport, SD
June
Weather in June
June, the first month of the summer in Westport, is a moderately hot month, with an average temperature ranging between min 57.6°F (14.2°C) and max 76.8°F (24.9°C).Temperature
With the onset of June, Westport's average high-temperature experiences a rise, moving from May's comfortable 66.7°F (19.3°C) to a warm 76.8°F (24.9°C). Throughout the month of June, the average temperature in Westport dips to a mild 57.6°F (14.2°C) at night.Humidity
In Westport, South Dakota, the average relative humidity in June is 72%.Rainfall
The month with the most rainfall in Westport is June, when the rain falls for 15 days and typically aggregates up to 3.46" (88mm) of precipitation.Snowfall
In Westport, South Dakota, snow does not fall in June through September.Daylight
The month with the longest days in Westport is June, with an average of 15h and 36min of daylight.On the first day of June, sunrise is at 5:47 am and sunset at 9:16 pm. On the last day of the month, sunrise is at 5:48 am and sunset at 9:27 pm CDT.
Sunshine
The average sunshine in June in Westport is 10.3h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 6 during June translates into the following directions:
Guard against overexposure. Protection from sun-induced harm is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Westport, SD
- Average high temperature in June: 76.8°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 (20.7°F).
- Average low temperature in June: 57.6°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 (6.3°F).
Average pressure in June
Westport, SD
- Average pressure in June: 29.85"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in June
Westport, SD
- Average wind speed in June: 8.9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in June
Westport, SD
- Average humidity in June: 72%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in June
Westport, SD
- Average rainfall in June: 3.46"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in June
Westport, SD
- Average rainfall days in June: 15 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in June
Westport, SD
- Average snowfall in June: 0"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Westport, SD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Westport, SD
- Average daylight in June: 15h and 36min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in June: 10h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Westport, SD
- Average sunshine days in June: 12.7 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in June
Westport, SD
- 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 and November (UV index 1).
Average cloud cover in June
Westport, SD
- Average cloud cover in June: 32
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in June
Westport, SD
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





