June weather forecast
Custer, SD

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Large, scenic rocks and trees around this tiny Sylvan Lake located in the tranquil Custer State Park in Custer City, South Dakota
Large, scenic rocks and trees around this tiny Sylvan Lake located in the tranquil Custer State Park in Custer City, South Dakota

Weather in June

The month of June stands as the threshold for summertime in Custer, showing a noticeable shift from the spring-like climate in May. As the hottest month of the year, regularly aggressive humidity levels make their presence felt. The average high temperature in June reaches 74.1°F, making it the ideal time for summertime outdoor activities. Nevertheless, increasing humidity also leads to enhanced rainfall, resulting in occasional dampening of outdoor plans. Enhanced sun exposure, along with optimum visibility, however, adds to Custer’s June charm.

Temperature

With the onset of June, Custer's weather sees a temperature rise, transitioning from a comfortable 61°F in May to a warm 74.1°F. Custer's nighttime temperature in June falls to an average of 53.2°F.

Humidity

The average relative humidity in June is 60%.

Rainfall

The month with the most rainfall is June, when the rain falls for 18 days and typically aggregates up to 3.19" of precipitation.

Snowfall

June through August are months without snowfall.

Daylight

The month with the longest days in Custer is June, with an average of 15h and 24min of daylight.
On the first day of the month, sunrise is at 5:15 am and sunset at 8:29 pm. On the last day of June, in Custer, sunrise is at 5:15 am and sunset at 8:40 pm MDT.

Sunshine

In June, the average sunshine in Custer, South Dakota, is 11.3h.

UV index

The average daily maximum UV index in June is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 5 during June translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
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FAQ

What are June temperatures in Custer?

The high-temperature during June is 74.1°F and the low-temperature is 53.2°F.

What is the average humidity in June in Custer?

The average relative humidity in June in Custer, South Dakota, is 60%.

What is the wettest month in Custer?

The month with the most rainfall in Custer, South Dakota, is June, when the rain falls for 18 days and typically aggregates up to 3.19" of precipitation.

How much does it rain in Custer in June?

In Custer, in June, it is raining for 18 days, with typically 3.19" of accumulated precipitation.

When it does not snow in Custer?

In Custer, South Dakota, snow does not fall in June through August.

Does it snow in Custer in June?

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

When are the longest days in Custer?

With an average of 15h and 24min of daylight, June has the longest days of the year in Custer, South Dakota.

How many hours of daylight does Custer have in June?

The average day length in June in Custer is 15h and 24min.

What time are sunrise and sunset in June in Custer?

On the first day of June, sunrise is at 5:15 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:40 pm MDT.

How long on average sun shines in June in Custer?

In Custer, the average sunshine duration in June is 11.3h.

What is the UV index intensity in June in Custer?

The average daily maximum UV index in June in Custer is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
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
Custer, SD

Average temperature in June - Custer, SD
  • Average high temperature in June: 74.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in June: 53.2°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is February (16.2°F).

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Average pressure in June
Custer, SD

Average pressure in June - Custer, SD
  • Average pressure in June: 29.84"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in June
Custer, SD

Average wind speed in June - Custer, SD
  • Average wind speed in June: 8.3mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in June
Custer, SD

Average humidity in June - Custer, SD
  • Average humidity in June: 60%

The months with the highest relative humidity are January and February (77%).
The months with the lowest relative humidity are August and September (52%).

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Average rainfall in June
Custer, SD

Average rainfall in June - Custer, SD
  • Average rainfall in June: 3.19"

The wettest month (with the highest rainfall) is June (3.19").
The driest month (with the least rainfall) is January (0.47").

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Average rainfall days in June
Custer, SD

Average rainfall days in June - Custer, SD
  • Average rainfall days in June: 18 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (4.5 days).

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Average snowfall in June
Custer, SD

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

The month with the highest snowfall is April (7.24").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in June
Custer, SD

Average snowfall days in June - Custer, 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 and August (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in June: 11h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

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Average sunshine days in June
Custer, SD

Average sunshine days in June - Custer, SD
  • Average sunshine days in June: 7.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is May (7.8 days).

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Average UV index in June
Custer, SD

Average UV index in June - Custer, SD
  • Average UV index in June: 5

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in June
Custer, SD

Average cloud cover in June - Custer, SD
  • Average cloud cover in June: 23

The month with the most cloud cover is April (Cloud cover 38).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in June
Custer, SD

Average visibility in June - Custer, 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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Custer, South Dakota, USA

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