June weather forecast
Willow Hill, IL

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Weather in June

June, the first month of the summer in Willow Hill, is still a warm month, with an average temperature fluctuating between 65.5°F (18.6°C) and 82°F (27.8°C).

Temperature

June's arrival coincides with a subtle temperature rise, moving from May's moderately hot 73.8°F (23.2°C) to a still warm 82°F (27.8°C). Willow Hill observes an average low-temperature of 65.5°F (18.6°C) during June nights.

Heat index

During June, the heat index is estimated at a tropical 87.8°F (31°C). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

The average relative humidity in June in Willow Hill is 78%.

Rainfall

In Willow Hill, in June, it is raining for 15.6 days, with typically 3.54" (90mm) of accumulated precipitation. Throughout the year, in Willow Hill, there are 158.3 rainfall days, and 35.12" (892mm) of precipitation is accumulated.

Snowfall

In Willow Hill, snow does not fall in May through October.

Daylight

With an average of 14h and 54min of daylight, June has the longest days of the year.
On the first day of June, sunrise is at 5:27 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:21 pm CDT.

Sunshine

June has the most sunshine of the year in Willow Hill, Illinois, with an average of 10.4h of sunshine.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Willow Hill. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 6 in June suggests the following recommendations:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
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Frequently asked questions

What is the average June temperature in Willow Hill?

The average high-temperature and low-temperature in Willow Hill during June are 82°F (27.8°C) and 65.5°F (18.6°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in June is estimated at 87.8°F (31°C).

What is the average humidity in June in Willow Hill?

In June, the average relative humidity in Willow Hill is 78%.

How many days does it rain in June in Willow Hill?

In Willow Hill, Illinois, in June, during 15.6 rainfall days, 3.54" (90mm) of precipitation is typically accumulated.

When it does not snow in Willow Hill?

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

When are the longest days in Willow Hill?

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

What is the average length of the day in June in Willow Hill?

In June, the average day length in Willow Hill is 14h and 52min.

When is the sunrise / sunset in June in Willow Hill?

In June, on the first day of the month, sunrise is at 5:27 am and sunset at 8:12 pm. On the last day of the month, in Willow Hill, Illinois, sunrise is at 5:30 am and sunset at 8:21 pm CDT.

What month has the most sunshine in Willow Hill?

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

How many hours of sunshine does Willow Hill have in June?

In June, the average sunshine duration in Willow Hill, Illinois, is 10.4h.

When is the highest UV index in Willow Hill?

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 Willow Hill?

In June, the average daily maximum UV index in Willow Hill is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Willow Hill, IL

Average temperature in June - Willow Hill, IL
  • Average high temperature in June: 82°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in June: 65.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in June
Willow Hill, IL

Average pressure in June - Willow Hill, 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
Willow Hill, IL

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

The windiest months (with the highest average wind speed) are January and February (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in June
Willow Hill, IL

Average humidity in June - Willow Hill, IL
  • Average humidity in June: 78%

The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in June
Willow Hill, IL

Average rainfall in June - Willow Hill, IL
  • Average rainfall in June: 3.54"

The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in June
Willow Hill, IL

Average rainfall days in June - Willow Hill, IL
  • Average rainfall days in June: 15.6 days

The month with the highest number of rainy days is May (18.7 days).
The months with the least rainy days are January and February (9.3 days).

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Average snowfall in June
Willow Hill, IL

Average snowfall in June - Willow Hill, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Willow Hill, IL

Average snowfall days in June - Willow Hill, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6.3 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
Willow Hill, IL

Average daylight in June / Average sunshine in June - Willow Hill, 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).

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Average sunshine days in June
Willow Hill, IL

Average sunshine days in June - Willow Hill, IL
  • Average sunshine days in June: 11.6 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.1 days).

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Average UV index in June
Willow Hill, IL

Average UV index in June - Willow Hill, 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
Willow Hill, IL

Average cloud cover in June - Willow Hill, IL
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in June
Willow Hill, IL

Average visibility in June - Willow Hill, 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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Willow Hill, Illinois, USA

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