June weather forecast
Wood River, IL

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Weather in June

The first month of the summer, June, is still a warm month in Wood River, Illinois, with an average temperature fluctuating between 83.1°F (28.4°C) and 66.2°F (19°C).

Temperature

June's onset brings a temperature rise, moving from 74.1°F (23.4°C) in May to a still moderately hot 83.1°F (28.4°C). In June, Wood River records an average nighttime temperature of 66.2°F (19°C).

Heat index

In June, the average heat index is calculated to be a tropical 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
Heat index guidelines indicate values are for light wind scenarios and shaded regions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

In Wood River, the average relative humidity in June is 78%.

Rainfall

In June, in Wood River, the rain falls for 15.1 days. Throughout June, 2.76" (70mm) of precipitation is accumulated. In Wood River, during the entire year, the rain falls for 138 days and collects up to 23.9" (607mm) of precipitation.

Snowfall

In Wood River, snow does not fall in May through October.

Daylight

With an average of 14h and 48min of daylight, June has the longest days of the year.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:20 pm. On the last day of June, in Wood River, sunrise is at 5:38 am and sunset at 8:29 pm CDT.

Sunshine

The month with the most sunshine is June, with an average of 10.4h of sunshine.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Wood River. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: In June, the maximum UV index of 6 suggests this advice:
Continue precautions and advocate sun safety advice. Deterrence of sunburn is indispensable. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

How hot is June in Wood River?

June temperatures in Wood River, Illinois, vary between a high-temperature of 83.1°F (28.4°C) and a low-temperature of 66.2°F (19°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in June is calculated to be 91.4°F (33°C).

What is the average humidity in June in Wood River?

The average relative humidity in June in Wood River is 78%.

How many days does it rain in June in Wood River?

In June, the rain falls for 15.1 days. Throughout June, 2.76" (70mm) of precipitation is accumulated.

When it does not snow in Wood River?

May through October are months without snowfall in Wood River, Illinois.

When are the longest days in Wood River?

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

How many hours of daylight does Wood River have in June?

In Wood River, the average day length in June is 14h and 51min.

When are sunrise and sunset in June in Wood River?

On the first day of June in Wood River, Illinois, sunrise is at 5:36 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:29 pm CDT.

What month has the most sunshine in Wood River?

The month with the most sunshine is June, with an average of 10.4h of sunshine.

How many hours of sunshine does Wood River have in June?

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

When is the highest UV index in Wood River?

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

How high is the UV index in June in Wood River?

In Wood River, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability 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
Wood River, IL

Average temperature in June - Wood River, IL
  • Average high temperature in June: 83.1°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in June: 66.2°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in June
Wood River, IL

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in June
Wood River, IL

Average wind speed in June - Wood River, IL
  • Average wind speed in June: 6.6mph

The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).

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Average humidity in June
Wood River, IL

Average humidity in June - Wood River, IL
  • Average humidity in June: 78%

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

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Average rainfall in June
Wood River, IL

Average rainfall in June - Wood River, IL
  • Average rainfall in June: 2.76"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is February (1.14").

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Average rainfall days in June
Wood River, IL

Average rainfall days in June - Wood River, IL
  • Average rainfall days in June: 15.1 days

The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is January (5.6 days).

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Average snowfall in June
Wood River, IL

Average snowfall in June - Wood River, IL
  • Average snowfall in June: 0"

The month with the highest snowfall is February (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in June
Wood River, IL

Average snowfall days in June - Wood River, IL
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (6 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
Wood River, IL

Average daylight in June / Average sunshine in June - Wood River, 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 30min).

  • Average sunshine in June: 10h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

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Average sunshine days in June
Wood River, IL

Average sunshine days in June - Wood River, IL
  • Average sunshine days in June: 12.5 days

The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in June
Wood River, IL

Average UV index in June - Wood River, 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, February, November and December (UV index 2).

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Average cloud cover in June
Wood River, IL

Average cloud cover in June - Wood River, IL
  • Average cloud cover in June: 29

The month with the most cloud cover is January (Cloud cover 51).
The months with the least cloud cover are June, July and August (Cloud cover 29).

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Average visibility in June
Wood River, IL

Average visibility in June - Wood River, 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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Wood River, Illinois, USA

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