June weather forecast
Bonnie, IL

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Weather in June

The first month of the summer, June, is still a warm month in Bonnie, Illinois, with an average temperature fluctuating between 66.6°F (19.2°C) and 83.5°F (28.6°C).

Temperature

June marks a minor ascent in the average high-temperature, adjusting from May's warm 74.8°F (23.8°C) to a still moderately hot 83.5°F (28.6°C). June nights cool down to an average low-temperature of 66.6°F (19.2°C).

Heat index

The heat index value for June is computed to be a hot 91.4°F (33°C). Undertake special precautions, the probability of heat exhaustion and heat cramps is high. Prolonged activity may provoke heatstroke.
The heat index's values are generally associated with conditions in shade and light breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.

Humidity

In June, the average relative humidity is 77%.

Rainfall

In June, in Bonnie, the rain falls for 14.9 days. Throughout June, 3.11" (79mm) of precipitation is accumulated. Throughout the year, in Bonnie, there are 145.8 rainfall days, and 29.13" (740mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of June, sunrise is at 5:33 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:22 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.5h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Bonnie. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 6 during June translates into these guidelines:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

Is it hot in Bonnie during June?

The high-temperature in Bonnie during June is 83.5°F (28.6°C) and the low-temperature is 66.6°F (19.2°C). In June, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 91.4°F (33°C).

What is the average humidity in June in Bonnie?

The average relative humidity in June is 77%.

How much does it rain in Bonnie in June?

In Bonnie, in June, during 14.9 rainfall days, 3.11" (79mm) of precipitation is typically accumulated.

When it does not snow in Bonnie?

In Bonnie, Illinois, snow does not fall in May through October.

When are the longest days in Bonnie?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What is the average length of the day in June in Bonnie?

The average day length in June in Bonnie is 14h and 47min.

When is the sunrise / sunset in June in Bonnie?

In June, on the first day of the month, sunrise is at 5:33 am and sunset at 8:13 pm. On the last day of the month, in Bonnie, sunrise is at 5:36 am and sunset at 8:22 pm CDT.

What month has the most sunshine in Bonnie?

June has the most sunshine of the year in Bonnie, with an average of 10.5h of sunshine.

How many hours of sunshine does Bonnie have in June?

In Bonnie, the average sunshine duration in June is 10.5h.

What are the months with the highest UV index in Bonnie?

The months with the highest UV index in Bonnie, Illinois, are May through August, with an average maximum UV index of 6.

What is the UV index intensity in June in Bonnie?

The average daily maximum UV index in June in Bonnie, Illinois, is 6. A UV Index reading of 6 to 7 represents a high hazard to health 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
Bonnie, IL

Average temperature in June - Bonnie, IL
  • Average high temperature in June: 83.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in June: 66.6°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

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Average pressure in June
Bonnie, IL

Average pressure in June - Bonnie, IL
  • Average pressure in June: 29.93"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in June
Bonnie, IL

Average wind speed in June - Bonnie, IL
  • Average wind speed in June: 7mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).

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Average humidity in June
Bonnie, IL

Average humidity in June - Bonnie, IL
  • Average humidity in June: 77%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Bonnie, IL

Average rainfall in June - Bonnie, IL
  • Average rainfall in June: 3.11"

The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.61").

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Average rainfall days in June
Bonnie, IL

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

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in June
Bonnie, IL

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

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

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Average snowfall days in June
Bonnie, IL

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

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in June: 10h and 3min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

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Average sunshine days in June
Bonnie, IL

Average sunshine days in June - Bonnie, IL
  • Average sunshine days in June: 12.8 days

The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in June
Bonnie, IL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

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Average cloud cover in June
Bonnie, IL

Average cloud cover in June - Bonnie, IL
  • Average cloud cover in June: 27

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

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Average visibility in June
Bonnie, IL

Average visibility in June - Bonnie, 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).

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Bonnie, Illinois, USA

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