June weather forecastJefferson, WI
June
Weather in June
The first month of the summer, June, is a moderately hot month in Jefferson, Wisconsin, with an average temperature varying between 75°F (23.9°C) and 57.7°F (14.3°C).Temperature
Jefferson observes a slight uplift in the average high-temperature with the onset of June, adjusting from May's comfortable 66.6°F (19.2°C) to a warm 75°F (23.9°C). Jefferson experiences an average low-temperature reading of 57.7°F (14.3°C) throughout June.Humidity
In Jefferson, the average relative humidity in June is 82%.Rainfall
June is the month with the most rainfall. Rain falls for 18 days and accumulates 3.78" (96mm) of precipitation.Snowfall
In Jefferson, snow does not fall in June through September.Daylight
June has the longest days of the year in Jefferson, with an average of 15h and 18min of daylight.On the first day of June, sunrise is at 5:18 am and sunset at 8:28 pm. On the last day of the month, sunrise is at 5:19 am and sunset at 8:38 pm CDT.
Sunshine
In June, the average sunshine in Jefferson is 9.3h.UV index
The month with the highest UV index is June, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In June, the maximum UV index of 6 suggests these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. 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. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Jefferson, WI
- Average high temperature in June: 75°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (24.3°F).
- Average low temperature in June: 57.7°F
The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (12°F).
Average pressure in June
Jefferson, WI
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Jefferson, WI
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in June
Jefferson, WI
- Average humidity in June: 82%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (76%).
Average rainfall in June
Jefferson, WI
- Average rainfall in June: 3.78"
The wettest month (with the highest rainfall) is June (3.78").
The driest months (with the least rainfall) are January and February (1.42").
Average rainfall days in June
Jefferson, WI
- Average rainfall days in June: 18 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is February (5 days).
Average snowfall in June
Jefferson, WI
- Average snowfall in June: 0"
The month with the highest snowfall is February (5.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in June
Jefferson, WI
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (15.4 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, WI
- Average daylight in June: 15h and 18min
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: 9h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in June
Jefferson, WI
- Average sunshine days in June: 9.8 days
The month with the most sunshine days is November (16.1 days).
The months with the least sunshine days are May and June (9.8 days).
Average UV index in June
Jefferson, WI
- Average UV index in June: 6
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in June
Jefferson, WI
- Average cloud cover in June: 38
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in June
Jefferson, WI
- Average visibility in June: 6mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
