June weather forecast
Oconee, IL

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Weather in June

June, the first month of the summer in Oconee, is a moderately hot month, with an average temperature varying between 81.1°F (27.3°C) and 64.9°F (18.3°C).

Temperature

In Oconee, the average high-temperature in June slightly increases from an agreeable 73°F (22.8°C) in May to a moderately hot 81.1°F (27.3°C). Oconee, in June, experiences an average temperature of 64.9°F (18.3°C) at night.

Heat index

In June, the average heat index is evaluated at a hot 86°F (30°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.
In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Children often miss understanding the importance of rest and rehydration. Thirst usually appears late during dehydration - therefore, maintaining hydration, particularly during long physical activities, is essential.

Humidity

In Oconee, the average relative humidity in June is 79%.

Rainfall

June is the month with the most rainfall. Rain falls for 13.5 days and accumulates 2.2" (56mm) of precipitation.

Snowfall

In Oconee, snow does not fall in May through October.

Daylight

June has the longest days of the year, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:31 am and sunset at 8:17 pm. On the last day of June, in Oconee, sunrise is at 5:33 am and sunset at 8:27 pm CDT.

Sunshine

With an average of 10.4h of sunshine, June has the most sunshine of the year.

UV index

The months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum UV index of 6 in June translates into the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Jun 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are June temperatures?

The high-temperature, in June, in Oconee, records 81.1°F (27.3°C), while the low-temperature is 64.9°F (18.3°C). In June, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the average humidity in June?

The average relative humidity in June is 79%.

What is the rainiest month?

June is the month with the most rainfall in Oconee. Rain falls for 13.5 days and accumulates 2.2" (56mm) of precipitation.

How many days does it rain in June?

In Oconee, in June, during 13.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

When are the longest days?

With an average of 14h and 54min of daylight, June has the longest days of the year.

How many hours of daylight does Oconee have in June?

In Oconee, Illinois, the average day length in June is 14h and 53min.

When is the sunrise / sunset in June?

In June, on the first day of the month, sunrise is at 5:31 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:27 pm CDT.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 10.4h of sunshine.

How many hours of sunshine does Oconee have in June?

In June, the average sunshine duration is 10.4h.

What are the months with the highest UV index?

June through August, with an average maximum UV index of 6, are months with the highest UV index.

What is the UV index intensity in June?

In Oconee, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Oconee, IL

Average temperature in June - Oconee, IL
  • Average high temperature in June: 81.1°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in June: 64.9°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in June
Oconee, IL

Average pressure in June - Oconee, IL
  • Average pressure in June: 29.92"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Oconee, IL

Average wind speed in June - Oconee, IL
  • Average wind speed in June: 7.3mph

The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).

Average humidity in June
Oconee, IL

Average humidity in June - Oconee, IL
  • Average humidity in June: 79%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).

Average rainfall in June
Oconee, IL

Average rainfall in June - Oconee, IL
  • Average rainfall in June: 2.2"

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are February and December (0.98").

Average rainfall days in June
Oconee, IL

Average rainfall days in June - Oconee, IL
  • Average rainfall days in June: 13.5 days

The month with the highest number of rainy days is May (15.2 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in June
Oconee, IL

Average snowfall in June - Oconee, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Oconee, IL

Average snowfall days in June - Oconee, IL
  • Average snowfall days in June: 0 days

The months with the highest number of snowfall days are January and February (6.3 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
Oconee, IL

Average daylight in June / Average sunshine in June - Oconee, IL
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in June
Oconee, IL

Average sunshine days in June - Oconee, IL
  • Average sunshine days in June: 13.3 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (13.1 days).

Average UV index in June
Oconee, IL

Average UV index in June - Oconee, 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
Oconee, IL

Average cloud cover in June - Oconee, IL
  • Average cloud cover in June: 29

The months with the most cloud cover are January and February (Cloud cover 54).
The months with the least cloud cover are June and September (Cloud cover 29).

Average visibility in June
Oconee, IL

Average visibility in June - Oconee, IL
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).

Oconee, Illinois, USA

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