June weather forecastPorterfield, IL
June
Weather in June
The first month of the summer, June, is a moderately hot month in Porterfield, Illinois, with an average temperature fluctuating between 62.1°F (16.7°C) and 79°F (26.1°C).Temperature
In Porterfield, the onset of June comes with a modest high-temperature shift, transitioning from May's agreeable 71.1°F (21.7°C) to a moderately hot 79°F (26.1°C). June brings with it a nighttime average temperature of 62.1°F (16.7°C).Humidity
In Porterfield, the average relative humidity in June is 81%.Rainfall
In Porterfield, during June, the rain falls for 17.4 days and regularly aggregates up to 3.23" (82mm) of precipitation. In Porterfield, during the entire year, the rain falls for 151.3 days and collects up to 30.16" (766mm) of precipitation.Snowfall
In Porterfield, snow does not fall in May through September.Daylight
With an average of 15h and 6min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 5:26 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:33 pm CDT.
Sunshine
With an average of 10h of sunshine, June has the most sunshine of the year.UV index
June and July, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 6 during June translates into these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Porterfield, IL
- Average high temperature in June: 79°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in June: 62.1°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 (17.4°F).
Average pressure in June
Porterfield, IL
- Average pressure in June: 29.91"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in June
Porterfield, 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
Porterfield, IL
- Average humidity in June: 81%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in June
Porterfield, IL
- Average rainfall in June: 3.23"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are January and December (1.57").
Average rainfall days in June
Porterfield, IL
- Average rainfall days in June: 17.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in June
Porterfield, IL
- Average snowfall in June: 0"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Porterfield, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (11.2 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
Porterfield, IL
- Average daylight in June: 15h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- 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
Porterfield, IL
- Average sunshine days in June: 10.9 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in June
Porterfield, IL
- 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
Porterfield, 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 August and September (Cloud cover 32).
Average visibility in June
Porterfield, IL
- Average visibility in June: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
