Contents
- Weather in June
- Frequently asked questions
- Average temperature in June
- Average pressure in June
- Average wind speed in June
- Average humidity in June
- Average rainfall in June
- Average rainfall days in June
- Average snowfall in June
- Average snowfall days in June
- Average daylight in June
- Average sunshine in June
- Average sunshine days in June
- Average UV index in June
- Average cloud cover in June
- Average visibility in June
Weather in June
Temperature
June's arrival signals an increase in average high-temperatures, moving from May's agreeable 68.4°F (20.2°C) to a moderately hot 79°F (26.1°C). June nights are marked by an average temperature drop to a mild 60.3°F (15.7°C).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. In Letcher, during the entire year, the rain falls for 93.2 days and collects up to 11.3" (287mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
June has the longest days of the year in Letcher, 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, sunrise is at 5:53 am and sunset at 9:18 pm CDT.
Sunshine
The average sunshine in June is 10.3h.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Letcher. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for the average person.Note: The UV index of 6 in June translates into these instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are the temperatures in Letcher in June?
What is the average humidity in June in Letcher?
How many days does it rain in June in Letcher?
When it does not snow in Letcher?
When are the longest days in Letcher?
What is the average length of the day in June in Letcher?
When are sunrise and sunset in June in Letcher?
How many hours of sunshine does Letcher have in June?
What are the months with the highest UV index in Letcher?
What is the UV index intensity in June in Letcher?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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