April weather forecast
Oakbrook Terrace, IL

Weather in April

April in Oakbrook Terrace, Illinois, is a mild spring month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 56.5°F (13.6°C).

Temperature

In April, the average high-temperature increases, from a frosty 45.1°F (7.3°C) in March, to a mild 56.5°F (13.6°C). In April, the average low-temperature is 40.6°F (4.8°C).

Humidity

In Oakbrook Terrace, the average relative humidity is 74%.

Rainfall

In Oakbrook Terrace, Illinois,, during 16.1 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. In Oakbrook Terrace, Illinois, during the entire year, the rain falls for 147.3 days and collects up to 23.86" (606mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In April, in Oakbrook Terrace, Illinois, it is snowing for 2.2 days. Throughout April, 2.13" (54mm) of snow is accumulated. In Oakbrook Terrace, Illinois, during the entire year, snow falls for 46.3 days, and aggregates up to 14.25" (362mm) of snow.

Daylight

The average length of the day in April is 13.4h.

Sunshine

In Oakbrook Terrace, the average sunshine is 7.5h.

UV index

The average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in April in Oakbrook Terrace?

In April, the average relative humidity in Oakbrook Terrace is 74%.

How much does it rain in Oakbrook Terrace in April?

In April, the rain falls for 16.1 days. Throughout April, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in April in Oakbrook Terrace?

In April, in Oakbrook Terrace, Illinois, it is snowing for 2.2 days. Throughout April, 2.13" (54mm) of snow is accumulated.

How many hours of daylight does Oakbrook Terrace have in April?

In Oakbrook Terrace, Illinois, the average length of the day in April is 13.4h.

How long on average sun shines in April in Oakbrook Terrace?

In Oakbrook Terrace, the average sunshine in April is 7.5h.

What is the UV index intensity in April in Oakbrook Terrace?

The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in April
Oakbrook Terrace, IL

Average temperature in April - Oakbrook Terrace, IL
  • Average high temperature in April: 56.5°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (28.6°F).

  • Average low temperature in April: 40.6°F

The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in April
Oakbrook Terrace, IL

Average pressure in April - Oakbrook Terrace, IL
  • Average pressure in April: 29.95"

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.92").

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Average wind speed in April
Oakbrook Terrace, IL

Average wind speed in April - Oakbrook Terrace, IL
  • Average wind speed in April: 9.5mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

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Average humidity in April
Oakbrook Terrace, IL

Average humidity in April - Oakbrook Terrace, IL
  • Average humidity in April: 74%

Months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in April
Oakbrook Terrace, IL

Average rainfall in April - Oakbrook Terrace, IL
  • Average rainfall in April: 2.68"

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

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Average rainfall days in April
Oakbrook Terrace, IL

Average rainfall days in April - Oakbrook Terrace, IL
  • Average rainfall days in April: 16.1 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (5.5 days).

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Average snowfall in April
Oakbrook Terrace, IL

Average snowfall in April - Oakbrook Terrace, IL
  • Average snowfall in April: 2.13"

The month with the highest snowfall is February (3.62").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in April
Oakbrook Terrace, IL

Average snowfall days in April - Oakbrook Terrace, IL
  • Average snowfall days in April: 2.2 days

The month with the highest number of snowfall days is January (12.4 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Oakbrook Terrace, IL

Average daylight in April / Average sunshine in April - Oakbrook Terrace, IL
  • Average daylight in April: 13.4h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in April: 7.5h

Months with the most sunshine are July and August (Average sunshine: 9.9h).
The month with the least sunshine is January (Average sunshine: 3.7h).

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Average sunshine days in April
Oakbrook Terrace, IL

Average sunshine days in April - Oakbrook Terrace, IL
  • Average sunshine days in April: 10.4 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (10.2 days).

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Average UV index in April
Oakbrook Terrace, IL

Average UV index in April - Oakbrook Terrace, IL
  • Average UV index in April: 3

Months with the highest UV index are June, July and August (UV index 6).
Months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in April
Oakbrook Terrace, IL

Average cloud cover in April - Oakbrook Terrace, IL
  • Average cloud cover in April: 50

The month with the most cloud cover is January (Cloud cover 61).
Months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in April
Oakbrook Terrace, IL

Average visibility in April - Oakbrook Terrace, IL
  • Average visibility in April: 6mi

Months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January and February (5mi).

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