June weather forecast
Oswego, IL

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Weather in June

The first month of the summer, June, is a moderately hot month in Oswego, Illinois, with an average temperature ranging between max 78.4°F (25.8°C) and min 60.8°F (16°C).

Temperature

June indicates a change in the average high-temperature, moving up from a pleasant 69.4°F (20.8°C) in May to a moderately hot 78.4°F (25.8°C). June brings Oswego a consistent average low-temperature of 60.8°F (16°C).

Humidity

In Oswego, the average relative humidity in June is 80%.

Rainfall

June is the month with the most rainfall in Oswego. Rain falls for 14.9 days and accumulates 2.24" (57mm) of precipitation.

Snowfall

In Oswego, snow does not fall in May through September.

Daylight

The month with the longest days is June, with an average of 15h and 12min of daylight.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:21 pm. On the last day of June, in Oswego, sunrise is at 5:22 am and sunset at 8:31 pm CDT.

Sunshine

In Oswego, the average sunshine in June is 9.7h.

UV index

The months with the highest UV index in Oswego, Illinois, are June and July, with an average maximum UV index of 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In June, the maximum UV index of 6 suggests this advice:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in June in Oswego?

The high-temperature in Oswego, Illinois, during June is 78.4°F (25.8°C) and the low-temperature is 60.8°F (16°C).

What is the average humidity in June in Oswego?

In Oswego, Illinois, the average relative humidity in June is 80%.

What is the wettest month in Oswego?

The month with the most rainfall is June, when the rain falls for 14.9 days and typically aggregates up to 2.24" (57mm) of precipitation.

How many days does it rain in June in Oswego?

In Oswego, Illinois, in June, during 14.9 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When it does not snow in Oswego?

In Oswego, snow does not fall in May through September.

When are the longest days in Oswego?

With an average of 15h and 12min of daylight, June has the longest days of the year in Oswego, Illinois.

How many hours of daylight does Oswego have in June?

In June, the average day length in Oswego, Illinois, is 15h and 9min.

What time are sunrise and sunset in June in Oswego?

On the first day of June in Oswego, Illinois, sunrise is at 5:20 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:31 pm CDT.

How long on average sun shines in June in Oswego?

The average sunshine duration in June is 9.7h.

What is the month with the highest UV index in Oswego?

June and July, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in June in Oswego?

The average daily maximum UV index in June in Oswego is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Oswego, IL

Average temperature in June - Oswego, IL
  • Average high temperature in June: 78.4°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.4°F).

  • Average low temperature in June: 60.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure in June
Oswego, IL

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

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in June
Oswego, IL

Average wind speed in June - Oswego, IL
  • Average wind speed in June: 7.1mph

The windiest month (with the highest average wind speed) is April (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in June
Oswego, IL

Average humidity in June - Oswego, IL
  • Average humidity in June: 80%

The months with the highest relative humidity are January, February, July and August (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in June
Oswego, IL

Average rainfall in June - Oswego, IL
  • Average rainfall in June: 2.24"

The wettest month (with the highest rainfall) is June (2.24").
The driest months (with the least rainfall) are November and December (0.75").

Average rainfall days in June
Oswego, IL

Average rainfall days in June - Oswego, IL
  • Average rainfall days in June: 14.9 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in June
Oswego, IL

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

The month with the highest snowfall is January (1.73").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in June
Oswego, IL

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

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in June /
Average sunshine in June
Oswego, IL

Average daylight in June / Average sunshine in June - Oswego, IL
  • Average daylight in June: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
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: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in June
Oswego, IL

Average sunshine days in June - Oswego, IL
  • Average sunshine days in June: 11.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.2 days).

Average UV index in June
Oswego, IL

Average UV index in June - Oswego, IL
  • Average UV index in June: 6

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in June
Oswego, IL

Average cloud cover in June - Oswego, IL
  • Average cloud cover in June: 35

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in June
Oswego, IL

Average visibility in June - Oswego, 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).

Oswego, Illinois, USA

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