June weather forecast
Sugar Island, IL

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Weather in June

June, the first month of the summer in Sugar Island, is a moderately hot month, with an average temperature fluctuating between 79.3°F (26.3°C) and 62.6°F (17°C).

Temperature

With the start of June, the average high-temperature marginally shifts from May's pleasant 71.2°F (21.8°C) to a warm 79.3°F (26.3°C). Throughout June, an average low-temperature of 62.6°F (17°C) is expected in Sugar Island.

Humidity

The average relative humidity in June in Sugar Island is 80%.

Rainfall

In Sugar Island, in June, during 16.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Sugar Island, Illinois, during the entire year, the rain falls for 138.7 days and collects up to 21.77" (553mm) of precipitation.

Snowfall

In Sugar Island, snow does not fall in May through September.

Daylight

June has the longest days of the year in Sugar Island, Illinois, with an average of 15h and 6min of daylight.
On the first day of the month, sunrise is at 5:20 am and sunset at 8:17 pm. On the last day of June, in Sugar Island, Illinois, sunrise is at 5:22 am and sunset at 8:27 pm CDT.

Sunshine

With an average of 9.7h of sunshine, June has the most sunshine of the year.

UV index

The months with the highest UV index in Sugar Island, Illinois, are June and July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In June, the UV index of 6 transforms into the following advice:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in June in Sugar Island?

The high-temperature, in June, in Sugar Island, is 79.3°F (26.3°C), while the low-temperature averages to 62.6°F (17°C).

What is the average humidity in June in Sugar Island?

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

How many days does it rain in June in Sugar Island?

In Sugar Island, Illinois, in June, during 16.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated.

When it does not snow in Sugar Island?

May through September are months without snowfall in Sugar Island.

When are the longest days in Sugar Island?

The month with the longest days in Sugar Island is June, with an average of 15h and 6min of daylight.

What is the average length of the day in June in Sugar Island?

The average day length in June in Sugar Island, Illinois, is 15h and 5min.

When are sunrise and sunset in June in Sugar Island?

On the first day of June, sunrise is at 5:20 am and sunset at 8:17 pm. On the last day of the month, sunrise is at 5:22 am and sunset at 8:27 pm CDT.

What month has the most sunshine in Sugar Island?

June has the most sunshine of the year, with an average of 9.7h of sunshine.

How many hours of sunshine does Sugar Island have in June?

The average sunshine duration in June in Sugar Island is 9.7h.

When is the highest UV index in Sugar Island?

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

How high is the UV index in June in Sugar Island?

The average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from 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
Sugar Island, IL

Average temperature in June - Sugar Island, IL
  • Average high temperature in June: 79.3°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 (30.2°F).

  • Average low temperature in June: 62.6°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

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Average pressure in June
Sugar Island, IL

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

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in June
Sugar Island, IL

Average wind speed in June - Sugar Island, IL
  • Average wind speed in June: 7.6mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

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Average humidity in June
Sugar Island, IL

Average humidity in June - Sugar Island, IL
  • Average humidity in June: 80%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Sugar Island, IL

Average rainfall in June - Sugar Island, IL
  • Average rainfall in June: 2.48"

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").

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Average rainfall days in June
Sugar Island, IL

Average rainfall days in June - Sugar Island, IL
  • Average rainfall days in June: 16.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).

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Average snowfall in June
Sugar Island, IL

Average snowfall in June - Sugar Island, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in June
Sugar Island, IL

Average snowfall days in June - Sugar Island, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in June /
Average sunshine in June
Sugar Island, IL

Average daylight in June / Average sunshine in June - Sugar Island, 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 18min).

  • Average sunshine in June: 9h and 4min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in June
Sugar Island, IL

Average sunshine days in June - Sugar Island, IL
  • Average sunshine days in June: 10.5 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).

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Average UV index in June
Sugar Island, IL

Average UV index in June - Sugar Island, 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 December (UV index 1).

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Average cloud cover in June
Sugar Island, IL

Average cloud cover in June - Sugar Island, IL
  • Average cloud cover in June: 35

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).

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Average visibility in June
Sugar Island, IL

Average visibility in June - Sugar Island, 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).

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Sugar Island, Illinois, USA

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