June weather forecast
Letcher, SD

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Weather in June

June, the first month of the summer in Letcher, is a moderately hot month, with an average temperature ranging between max 79°F (26.1°C) and min 60.3°F (15.7°C).

Temperature

In June, the meteorological conditions change with the average high-temperature moving from a pleasant 68.4°F (20.2°C) in May to a moderately hot 79°F (26.1°C). Letcher registers a consistent average low-temperature of 60.3°F (15.7°C) during June.

Humidity

In June, the average relative humidity is 73%.

Rainfall

In June, the rain falls for 13.6 days. Throughout June, 1.61" (41mm) of precipitation is accumulated. Throughout the year, in Letcher, there are 93.2 rainfall days, and 11.3" (287mm) of precipitation is accumulated.

Snowfall

In Letcher, snow does not fall in May through September.

Daylight

June has the longest days of the year, with an average of 15h and 24min of daylight.
On the first day of the month, sunrise is at 5:52 am and sunset at 9:08 pm. On the last day of June, in Letcher, sunrise is at 5:53 am and sunset at 9:18 pm CDT.

Sunshine

In June, the average sunshine is 10.3h.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In June, the maximum UV index of 6 suggests this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in June?

The high-temperature, in June, in Letcher, is 79°F (26.1°C), while the low-temperature averages to 60.3°F (15.7°C).

What is the average humidity in June?

In Letcher, the average relative humidity in June is 73%.

How much does it rain in Letcher in June?

In June, the rain falls for 13.6 days. Throughout June, 1.61" (41mm) of precipitation is accumulated.

When it does not snow?

In Letcher, snow does not fall in May through September.

When are the longest days?

The month with the longest days is June, with an average of 15h and 24min of daylight.

What is the average length of the day in June?

In Letcher, the average day length in June is 15h and 25min.

When is the sunrise / sunset in June?

On the first day of June, sunrise is at 5:52 am and sunset at 9:08 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 9:18 pm CDT.

How long on average sun shines in June?

The average sunshine duration in June is 10.3h.

When is the highest UV index?

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

What is the UV index reading in June?

In Letcher, the average daily maximum UV index in June is 6. A UV Index reading of 6 to 7 represents a high health threat from 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
Letcher, SD

Average temperature in June - Letcher, SD
  • Average high temperature in June: 79°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (24.4°F).

  • Average low temperature in June: 60.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

Average pressure in June
Letcher, SD

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

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

Average wind speed in June
Letcher, SD

Average wind speed in June - Letcher, SD
  • Average wind speed in June: 9.2mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).

Average humidity in June
Letcher, SD

Average humidity in June - Letcher, SD
  • Average humidity in June: 73%

The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are September and October (63%).

Average rainfall in June
Letcher, SD

Average rainfall in June - Letcher, SD
  • Average rainfall in June: 1.61"

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February and November (0.28").

Average rainfall days in June
Letcher, SD

Average rainfall days in June - Letcher, SD
  • Average rainfall days in June: 13.6 days

The month with the highest number of rainy days is June (13.6 days).
The month with the least rainy days is February (1.9 days).

Average snowfall in June
Letcher, SD

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

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Letcher, SD

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

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in June / Average sunshine in June - Letcher, 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: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in June
Letcher, SD

Average sunshine days in June - Letcher, SD
  • Average sunshine days in June: 12.8 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is June (12.8 days).

Average UV index in June
Letcher, SD

Average UV index in June - Letcher, 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).

Average cloud cover in June
Letcher, SD

Average cloud cover in June - Letcher, 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 22).

Average visibility in June
Letcher, SD

Average visibility in June - Letcher, 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).

Letcher, South Dakota, USA

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