June weather forecastAllerton, IL
June
Weather in June
June, the first month of the summer in Allerton, is a warm month, with temperature in the range of an average high of 80.8°F (27.1°C) and an average low of 64°F (17.8°C).Temperature
A minor escalation in the average high-temperature is seen with the onset of June, moving from a pleasant 72.7°F (22.6°C) in May to a moderately hot 80.8°F (27.1°C). Allerton, in June, experiences an average temperature of 64°F (17.8°C) at night.Heat index
For most parts of June, the heat index is calculated to be a hot 86°F (30°C). Prolonged exposure combined with continuous activity could lead to exhaustion, and possibly heat cramps.Consider that heat index readings are for situations in the shade and light wind. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', measures the perceived warmth when incorporating the humidity present in the air. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
Humidity
In Allerton, the average relative humidity in June is 79%.Rainfall
In Allerton, during June, the rain falls for 13.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Allerton, Illinois, during the entire year, the rain falls for 132 days and collects up to 15.94" (405mm) of precipitation.Snowfall
In Allerton, Illinois, snow does not fall in May through September.Daylight
June has the longest days of the year, with an average of 15h and 0min of daylight.On the first day of the month, sunrise is at 5:24 am and sunset at 8:14 pm. On the last day of June, sunrise is at 5:26 am and sunset at 8:24 pm CDT.
Sunshine
With an average of 10.3h 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 reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for average individuals.Note: A daily high UV index of 6 in June leads to these guidelines:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Allerton, IL
- Average high temperature in June: 80.8°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.3°F).
- Average low temperature in June: 64°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in June
Allerton, IL
- Average pressure in June: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in June
Allerton, IL
- Average wind speed in June: 7.5mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in June
Allerton, IL
- Average humidity in June: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall in June
Allerton, IL
- Average rainfall in June: 1.65"
The wettest month (with the highest rainfall) is April (1.97").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in June
Allerton, IL
- Average rainfall days in June: 13.8 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (6 days).
Average snowfall in June
Allerton, IL
- Average snowfall in June: 0"
The month with the highest snowfall is December (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in June
Allerton, IL
- Average snowfall days in June: 0 days
The month with the highest number of snowfall days is January (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
Allerton, 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 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in June
Allerton, IL
- Average sunshine days in June: 11.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in June
Allerton, 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
Allerton, IL
- Average cloud cover in June: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in June
Allerton, 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).
