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
June
Weather in June
Temperature
June's onset is marked by a subtle temperature increase, moving from a pleasant 71.6°F (22°C) in May to a moderately hot 79.9°F (26.6°C). During the month of June, the temperature in Washington generally drops to a low average of 63.1°F (17.3°C).Humidity
The average relative humidity in June is 81%.Rainfall
In Washington, Illinois, in June, it is raining for 14.3 days, with typically 2.17" (55mm) of accumulated precipitation. In Washington, during the entire year, the rain falls for 128.3 days and collects up to 19.13" (486mm) of precipitation.Snowfall
In Washington, snow does not fall in May through October.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of June in Washington, Illinois, sunrise is at 5:28 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:32 pm CDT.
Sunshine
With an average of 10.2h of sunshine, June has the most sunshine of the year.UV index
June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for average individuals.Note: In June, a daily UV index of 6 turns into the following recommendations:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average June temperature in Washington?
What is the average humidity in June in Washington?
How many days does it rain in June in Washington?
When it does not snow in Washington?
When are the longest days in Washington?
How many hours of daylight does Washington have in June?
When is the sunrise / sunset in June in Washington?
What month has the most sunshine in Washington?
How long on average sun shines in June in Washington?
What are the months with the highest UV index in Washington?
What is the UV index reading in June in Washington?
Average temperature in June
Washington, IL
- Average high temperature in June: 79.9°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in June: 63.1°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 (18.5°F).
Average pressure in June
Washington, IL
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Washington, IL
- Average wind speed in June: 7.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in June
Washington, IL
- Average humidity in June: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Washington, IL
- Average rainfall in June: 2.17"
The wettest month (with the highest rainfall) is May (2.6").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in June
Washington, IL
- Average rainfall days in June: 14.3 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (4.4 days).
Average snowfall in June
Washington, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in June
Washington, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (10.3 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
Washington, 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 18min).
- Average sunshine in June: 10h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Washington, IL
- Average sunshine days in June: 12.7 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in June
Washington, IL
- Average UV index in June: 6
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in June
Washington, IL
- Average cloud cover in June: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in June
Washington, 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).