April weather forecast
Onarga, IL

Weather in April

April is a mild spring month in Onarga, Illinois, with an average temperature fluctuating between 43.7°F (6.5°C) and 59.5°F (15.3°C).

Temperature

In Onarga, the average high-temperature in April rises from a frosty 47.8°F (8.8°C) in March to a mild 59.5°F (15.3°C). The average low-temperature, in Onarga, is 43.7°F (6.5°C).

Humidity

In April, the average relative humidity is 74%.

Rainfall

In Onarga, during 13.4 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Onarga, Illinois, during the entire year, the rain falls for 130.7 days and collects up to 17.13" (435mm) of precipitation.

Snowfall

Months with snowfall in Onarga, Illinois, are January through April, November and December. April is the last month it regularly snows. During 0.8 snowfall days, Onarga aggregates 0.79" (20mm) of snow. Throughout the year, in Onarga, there are 30.7 snowfall days, and 8.19" (208mm) of snow is accumulated.

Daylight

In Onarga, the average length of the day in April is 13h and 20min.
On the first day of April in Onarga, sunrise is at 6:35 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:46 pm CDT.

Sunshine

In April, the average sunshine is 7.8h.

UV index

In Onarga, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 3 in April transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Onarga?

In Onarga, in April, the average high-temperature is 59.5°F (15.3°C), and the average low-temperature is 43.7°F (6.5°C).

What is the average humidity in April in Onarga?

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

How much does it rain in Onarga in April?

In April, in Onarga, Illinois, the rain falls for 13.4 days. Throughout April, 1.93" (49mm) of precipitation is accumulated.

What is the last month it snows in Onarga?

April is the last month it regularly snows in Onarga, Illinois. During 0.8 snowfall days, in April, Onarga aggregates 0.79" (20mm) of snow.

What is the average length of the day in April in Onarga?

In Onarga, the average day length in April is 13h and 20min.

When is the sunrise / sunset in April in Onarga?

In April, on the first day of the month, sunrise is at 6:35 am and sunset at 7:16 pm. On the last day of the month, in Onarga, Illinois, sunrise is at 5:51 am and sunset at 7:46 pm CDT.

How long on average sun shines in April in Onarga?

The average sunshine duration in April is 7.8h.

How high is the UV index in April in Onarga?

The average daily maximum UV index in April in Onarga is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Onarga, IL

Average temperature in April - Onarga, IL
  • Average high temperature in April: 59.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.7°F).

  • Average low temperature in April: 43.7°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).

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Average pressure in April
Onarga, IL

Average pressure in April - Onarga, IL
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in April
Onarga, IL

Average wind speed in April - Onarga, IL
  • Average wind speed in April: 10.3mph

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).

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Average humidity in April
Onarga, IL

Average humidity in April - Onarga, IL
  • Average humidity in April: 74%

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in April
Onarga, IL

Average rainfall in April - Onarga, IL
  • Average rainfall in April: 1.93"

The wettest month (with the highest rainfall) is May (2.44").
The driest months (with the least rainfall) are January, February and December (0.91").

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Average rainfall days in April
Onarga, IL

Average rainfall days in April - Onarga, IL
  • Average rainfall days in April: 13.4 days

The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (5.5 days).

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Average snowfall in April
Onarga, IL

Average snowfall in April - Onarga, IL
  • Average snowfall in April: 0.79"

The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in April
Onarga, IL

Average snowfall days in April - Onarga, IL
  • Average snowfall days in April: 0.8 days

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Onarga, IL

Average daylight in April / Average sunshine in April - Onarga, IL
  • Average daylight in April: 13h and 20min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in April: 7h and 48min

The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days in April
Onarga, IL

Average sunshine days in April - Onarga, IL
  • Average sunshine days in April: 13.8 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in April
Onarga, IL

Average UV index in April - Onarga, IL
  • Average UV index in April: 3

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in April
Onarga, IL

Average cloud cover in April - Onarga, IL
  • Average cloud cover in April: 47

The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are August and September (Cloud cover 33).

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Average visibility in April
Onarga, IL

Average visibility in April - Onarga, IL
  • Average visibility in April: 6mi

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

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