June weather forecast
Vergennes, IL

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Weather in June

June, the first month of the summer in Vergennes, is also a moderately hot month, with an average temperature fluctuating between 84.6°F (29.2°C) and 66.6°F (19.2°C).

Temperature

With the transition into June, Vergennes experiences an increase in average high-temperatures, moving up from 75.4°F (24.1°C) in May to a still warm 84.6°F (29.2°C). During June, Vergennes sees a mean low-temperature of 66.6°F (19.2°C).

Heat index

The heat index in June is calculated to be a tropical 93.2°F (34°C). Heightened precautions are necessary, heat cramps and heat exhaustion are potential risks. Continuous activity could lead to heatstroke.
Take note of the fact that heat index values are based on shaded circumstances with light airflows. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are highly important for children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.

Humidity

In Vergennes, the average relative humidity in June is 76%.

Rainfall

In June, in Vergennes, the rain falls for 15.1 days. Throughout June, 3.31" (84mm) of precipitation is accumulated. Throughout the year, there are 147.6 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Vergennes.

Daylight

The month with the longest days is June, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:14 pm. On the last day of June, in Vergennes, sunrise is at 5:38 am and sunset at 8:23 pm CDT.

Sunshine

In Vergennes, the average sunshine in June is 10.4h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: In June, the average maximum UV index of 6 translates into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. 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. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

How hot does it get in Vergennes in June?

The average high-temperature, in June, in Vergennes, is 84.6°F (29.2°C), while the average low-temperature is 66.6°F (19.2°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in June is calculated to be 93.2°F (34°C).

What is the average humidity in June in Vergennes?

In Vergennes, the average relative humidity in June is 76%.

How many days does it rain in June in Vergennes?

In Vergennes, during June, the rain falls for 15.1 days and regularly aggregates up to 3.31" (84mm) of precipitation.

When it does not snow in Vergennes?

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

When are the longest days in Vergennes?

June has the longest days of the year in Vergennes, Illinois, with an average of 14h and 48min of daylight.

How many hours of daylight does Vergennes have in June?

The average day length in June in Vergennes, Illinois, is 14h and 45min.

When are sunrise and sunset in June in Vergennes?

On the first day of June, sunrise is at 5:36 am and sunset at 8:14 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:23 pm CDT.

How long on average sun shines in June in Vergennes?

The average sunshine duration in June in Vergennes, Illinois, is 10.4h.

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

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

What is the UV index intensity in June in Vergennes?

The average daily maximum UV index in June in Vergennes, Illinois, is 6. A UV Index value of 6 to 7 symbolizes a high health threat 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
Vergennes, IL

Average temperature in June - Vergennes, IL
  • Average high temperature in June: 84.6°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in June: 66.6°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure in June
Vergennes, IL

Average pressure in June - Vergennes, 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
Vergennes, IL

Average wind speed in June - Vergennes, IL
  • Average wind speed in June: 6.7mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in June
Vergennes, IL

Average humidity in June - Vergennes, IL
  • Average humidity in June: 76%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in June
Vergennes, IL

Average rainfall in June - Vergennes, IL
  • Average rainfall in June: 3.31"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is January (1.5").

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Average rainfall days in June
Vergennes, IL

Average rainfall days in June - Vergennes, IL
  • Average rainfall days in June: 15.1 days

The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is December (8.2 days).

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Average snowfall in June
Vergennes, IL

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

The month with the highest snowfall is February (1.5").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Vergennes, IL

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

The month with the highest number of snowfall days is January (5.4 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
Vergennes, IL

Average daylight in June / Average sunshine in June - Vergennes, 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).

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Average sunshine days in June
Vergennes, IL

Average sunshine days in June - Vergennes, IL
  • Average sunshine days in June: 12.1 days

The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is May (11.4 days).

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Average UV index in June
Vergennes, IL

Average UV index in June - Vergennes, 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).

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Average cloud cover in June
Vergennes, IL

Average cloud cover in June - Vergennes, IL
  • Average cloud cover in June: 28

The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).

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Average visibility in June
Vergennes, IL

Average visibility in June - Vergennes, 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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Vergennes, Illinois, USA

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