June weather forecast
Yankton, SD

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Weather in June

June ushers in the official start of summer in Yankton, South Dakota. With a considerable hike in temperature reaching up to 79.7°F (26.5°C), June starts drawing sun-seekers into the city. Locals and tourists can be found sunbathing along the beaches of the Missouri River, or sailing and fishing in its waters. The month also signals the beginning of a series of events and music festivals. However, increased humidity levels can make the atmosphere feel warmer than it is, especially in the afternoons.

Temperature

The transition from May to June in Yankton brings a temperature rise, with average high-temperatures increasing from a pleasant 69.1°F (20.6°C) to a moderately hot 79.7°F (26.5°C). June nights in Yankton are marked by an average temperature drop to a refreshing 61.7°F (16.5°C).

Humidity

In Yankton, the average relative humidity in June is 74%.

Rainfall

In Yankton, in June, it is raining for 17.4 days, with typically 3.31" (84mm) of accumulated precipitation. Throughout the year, in Yankton, there are 117.9 rainfall days, and 21.93" (557mm) of precipitation is accumulated.

Snowfall

In Yankton, snow does not fall in June through September.

Daylight

June has the longest days of the year in Yankton, with an average of 15h and 18min of daylight.
On the first day of June in Yankton, sunrise is at 5:53 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:12 pm CDT.

Sunshine

The average sunshine in June in Yankton is 10.2h.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Yankton. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 6 during June morphs into the following directions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Frequently asked questions

What is the usual temperature for Yankton in June?

During June, Yankton experiences an average high-temperature of 79.7°F (26.5°C) and a low-temperature of 61.7°F (16.5°C).

What is the average humidity in June in Yankton?

In June, the average relative humidity in Yankton is 74%.

How many days does it rain in June in Yankton?

In Yankton, South Dakota, in June, it is raining for 17.4 days, with typically 3.31" (84mm) of accumulated precipitation.

When it does not snow in Yankton?

June through September are months without snowfall in Yankton, South Dakota.

Does it snow in Yankton in June?

In June, in Yankton, it doesn't snow. May is the latest month when it typically snows.

When are the longest days in Yankton?

June has the longest days of the year in Yankton, South Dakota, with an average of 15h and 18min of daylight.

What is the average length of the day in June in Yankton?

The average day length in June in Yankton, South Dakota, is 15h and 17min.

When are sunrise and sunset in June in Yankton?

On the first day of June, sunrise is at 5:53 am and sunset at 9:01 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 9:12 pm CDT.

How many hours of sunshine does Yankton have in June?

The average sunshine duration in June is 10.2h.

When is the highest UV index in Yankton?

The months with the highest UV index in Yankton, South Dakota, are June through August, with an average maximum UV index of 6.

What is the UV index reading in June in Yankton?

In June, the average daily maximum UV index in Yankton is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Yankton, SD

Average temperature in June - Yankton, SD
  • Average high temperature in June: 79.7°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (26.8°F).

  • Average low temperature in June: 61.7°F

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (12.9°F).

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Average pressure in June
Yankton, SD

Average pressure in June - Yankton, SD
  • Average pressure in June: 29.85"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in June
Yankton, SD

Average wind speed in June - Yankton, SD
  • Average wind speed in June: 8.8mph

The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).

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Average humidity in June
Yankton, SD

Average humidity in June - Yankton, SD
  • Average humidity in June: 74%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (64%).

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Average rainfall in June
Yankton, SD

Average rainfall in June - Yankton, SD
  • Average rainfall in June: 3.31"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.59").

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Average rainfall days in June
Yankton, SD

Average rainfall days in June - Yankton, SD
  • Average rainfall days in June: 17.4 days

The month with the highest number of rainy days is June (17.4 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in June
Yankton, SD

Average snowfall in June - Yankton, SD
  • Average snowfall in June: 0"

The month with the highest snowfall is December (2.95").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in June
Yankton, SD

Average snowfall days in June - Yankton, SD
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Yankton, SD

Average daylight in June / Average sunshine in June - Yankton, SD
  • Average daylight in June: 15h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in June: 10h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

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Average sunshine days in June
Yankton, SD

Average sunshine days in June - Yankton, SD
  • Average sunshine days in June: 9.3 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in June
Yankton, SD

Average UV index in June - Yankton, 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 January (UV index 1).

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Average cloud cover in June
Yankton, SD

Average cloud cover in June - Yankton, SD
  • Average cloud cover in June: 31

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 25).

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Average visibility in June
Yankton, SD

Average visibility in June - Yankton, 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).

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Yankton, South Dakota, USA

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