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
In Jefferson, the average high-temperature in June rises, from an agreeable 69.4°F (20.8°C) in May, to a warm 79.9°F (26.6°C). Jefferson reports an average low-temperature of 62.2°F (16.8°C) during the nights of June.Humidity
In June, the average relative humidity is 75%.Rainfall
The wettest months in Jefferson are May and June, with an average 3.03" (77mm) of rainfall.Snowfall
June through September are months without snowfall.Daylight
The month with the longest days in Jefferson, South Dakota, is June, with an average of 15h and 18min of daylight.On the first day of June, sunrise is at 5:50 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 9:07 pm CDT.
Sunshine
The average sunshine in June in Jefferson, South Dakota, is 10.1h.UV index
The months with the highest UV index are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 6 during June, leads to the following recommendations:
Guard oneself from overexposure. Defence against sun injury is vital. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are the temperatures in Jefferson in June?
What is the average humidity in June in Jefferson?
What is the wettest month in Jefferson?
How much does it rain in Jefferson in June?
When it does not snow in Jefferson?
Does it snow in Jefferson in June?
When are the longest days in Jefferson?
How many hours of daylight does Jefferson have in June?
When is the sunrise / sunset in June in Jefferson?
How many hours of sunshine does Jefferson have in June?
When is the highest UV index in Jefferson?
What is the UV index reading in June in Jefferson?
Average temperature in June
Jefferson, SD
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in June: 62.2°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 (13.1°F).
Average pressure in June
Jefferson, SD
- Average pressure in June: 29.86"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in June
Jefferson, SD
- Average wind speed in June: 8.7mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is July (7.6mph).
Average humidity in June
Jefferson, SD
- Average humidity in June: 75%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (65%).
Average rainfall in June
Jefferson, SD
- Average rainfall in June: 3.03"
The wettest months (with the highest rainfall) are May and June (3.03").
The driest month (with the least rainfall) is February (0.67").
Average rainfall days in June
Jefferson, SD
- Average rainfall days in June: 17.8 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in June
Jefferson, SD
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Jefferson, SD
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Jefferson, 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 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in June
Jefferson, SD
- Average sunshine days in June: 9.7 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in June
Jefferson, SD
- Average UV index in June: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Jefferson, SD
- Average cloud cover in June: 32
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in June
Jefferson, 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).
Jefferson, South Dakota, USA
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