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 onset brings a subtle temperature rise, moving from a pleasant 71.8°F (22.1°C) in May to a moderately hot 79.5°F (26.4°C). Potomac reports an average nighttime low-temperature of 63.1°F (17.3°C) in June.Humidity
In Potomac, the average relative humidity in June is 80%.Rainfall
In Potomac, in June, during 16.3 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, there are 146.3 rainfall days, and 22.76" (578mm) of precipitation is accumulated.Snowfall
In Potomac, snow does not fall in May through October.Daylight
With an average of 15h and 0min of daylight, June has the longest days of the year in Potomac, Illinois.On the first day of the month, sunrise is at 5:23 am and sunset at 8:15 pm. On the last day of June, sunrise is at 5:25 am and sunset at 8:25 pm CDT.
Sunshine
With an average of 10h of sunshine, June has the most sunshine of the year in Potomac.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index in Potomac, Illinois. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.Note: In June, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Potomac in June?
What is the average humidity in June in Potomac?
How many days does it rain in June in Potomac?
When it does not snow in Potomac?
When are the longest days in Potomac?
How many hours of daylight does Potomac have in June?
What time are sunrise and sunset in June in Potomac?
What month has the most sunshine in Potomac?
How long on average sun shines in June in Potomac?
What is the month with the highest UV index in Potomac?
What is the UV index intensity in June in Potomac?
Average temperature in June
Potomac, IL
- Average high temperature in June: 79.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in June: 63.1°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in June
Potomac, IL
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Potomac, IL
- Average wind speed in June: 7.6mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in June
Potomac, IL
- Average humidity in June: 80%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Potomac, IL
- Average rainfall in June: 2.68"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in June
Potomac, IL
- Average rainfall days in June: 16.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (6.7 days).
Average snowfall in June
Potomac, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Potomac, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in June /
Average sunshine in June
Potomac, IL
- Average daylight in June: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in June: 10h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Potomac, IL
- Average sunshine days in June: 10.7 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in June
Potomac, IL
- 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 December (UV index 1).
Average cloud cover in June
Potomac, IL
- Average cloud cover in June: 33
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June, August and September (Cloud cover 33).
Average visibility in June
Potomac, IL
- Average visibility in June: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Potomac, Illinois, USA
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