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
Entering June, Port Byron notices a subtle temperature elevation, with the average high-temperature advancing from May's agreeable 70.3°F (21.3°C) to a moderately hot 79°F (26.1°C). The nights of June in Port Byron anticipate an average low-temperature of 61.9°F (16.6°C).Humidity
In June, the average relative humidity is 81%.Rainfall
In Port Byron, in June, during 13.1 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. Throughout the year, there are 99.4 rainfall days, and 9.57" (243mm) of precipitation is accumulated.Snowfall
In Port Byron, snow does not fall in May through August.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 5:29 am and sunset at 8:29 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:39 pm CDT.
Sunshine
In Port Byron, the average sunshine in June is 9.7h.UV index
The average daily maximum UV index in June is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 5 in June translates into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in June?
What is the average humidity in June in Port Byron?
How much does it rain in June?
When it does not snow?
When are the longest days?
What is the average length of the day in June?
When are sunrise and sunset in June?
How long on average sun shines in June?
What is the UV index reading in June?
Average temperature in June
Port Byron, IL
- Average high temperature in June: 79°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in June: 61.9°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (15.4°F).
Average pressure in June
Port Byron, 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
Port Byron, 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 (6.7mph).
Average humidity in June
Port Byron, IL
- Average humidity in June: 81%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in June
Port Byron, IL
- Average rainfall in June: 1.26"
The wettest month (with the highest rainfall) is May (1.61").
The driest month (with the least rainfall) is December (0.35").
Average rainfall days in June
Port Byron, IL
- Average rainfall days in June: 13.1 days
The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is January (3.2 days).
Average snowfall in June
Port Byron, IL
- Average snowfall in June: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in June
Port Byron, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in June /
Average sunshine in June
Port Byron, IL
- Average daylight in June: 15h and 1min
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 12min).
- Average sunshine in June: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in June
Port Byron, IL
- Average sunshine days in June: 14.4 days
The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (14.4 days).
Average UV index in June
Port Byron, IL
- Average UV index in June: 5
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in June
Port Byron, IL
- Average cloud cover in June: 34
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in June
Port Byron, IL
- 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).
Port Byron, Illinois, USA
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