April weather forecast
Cairo, IL

Weather in April

April is an enjoyable spring month in Cairo, Illinois, with an average temperature fluctuating between 67.6°F (19.8°C) and 50.2°F (10.1°C).

Temperature

In Cairo, Illinois, the average high-temperature in April rises from a moderate 56.8°F (13.8°C) in March to a comfortable 67.6°F (19.8°C). In Cairo, the average low-temperature is 50.2°F (10.1°C).

Humidity

In April, the average relative humidity is 77%.

Rainfall

The month with the most rainfall is April, when the rain falls for 15.2 days and typically aggregates up to 4.21" (107mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows in Cairo. During 0.3 snowfall days, Cairo aggregates 0.08" (2mm) of snow. Throughout the year, in Cairo, there are 11.5 snowfall days, and 4.88" (124mm) of snow is accumulated.

Daylight

In Cairo, the average length of the day in April is 13h and 10min.
On the first day of April in Cairo, Illinois, sunrise is at 6:41 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:44 pm CDT.

Sunshine

In Cairo, the average sunshine in April is 8.8h.

UV index

The average daily maximum UV index in April in Cairo is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Cairo?

The average relative humidity in April in Cairo is 77%.

What is the wettest month in Cairo?

April is the month with the most rainfall in Cairo, Illinois. Rain falls for 15.2 days and accumulates 4.21" (107mm) of precipitation.

How much does it rain in Cairo in April?

In Cairo, during April, the rain falls for 15.2 days and regularly aggregates up to 4.21" (107mm) of precipitation.

What is the last month it snows in Cairo?

April is the last month it regularly snows in Cairo, Illinois. During 0.3 snowfall days, in April, Cairo aggregates 0.08" (2mm) of snow.

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

In Cairo, the average day length in April is 13h and 10min.

When is the sunrise / sunset in April in Cairo?

On the first day of April, sunrise is at 6:41 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:03 am and sunset at 7:44 pm CDT.

How many hours of sunshine does Cairo have in April?

In April, the average sunshine duration in Cairo, Illinois, is 8.8h.

What is the UV index intensity in April in Cairo?

The average daily maximum UV index in April in Cairo, Illinois, is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Cairo, IL

Average temperature in April - Cairo, IL
  • Average high temperature in April: 67.6°F

The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in April: 50.2°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in April
Cairo, IL

Average pressure in April - Cairo, IL
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in April
Cairo, IL

Average wind speed in April - Cairo, IL
  • Average wind speed in April: 9mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

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Average humidity in April
Cairo, IL

Average humidity in April - Cairo, IL
  • Average humidity in April: 77%

The months with the highest relative humidity are February, March, May and December (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in April
Cairo, IL

Average rainfall in April - Cairo, IL
  • Average rainfall in April: 4.21"

The wettest month (with the highest rainfall) is April (4.21").
The driest month (with the least rainfall) is September (1.42").

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Average rainfall days in April
Cairo, IL

Average rainfall days in April - Cairo, IL
  • Average rainfall days in April: 15.2 days

The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (9.8 days).

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Average snowfall in April
Cairo, IL

Average snowfall in April - Cairo, IL
  • Average snowfall in April: 0.08"

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

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Average snowfall days in April
Cairo, IL

Average snowfall days in April - Cairo, IL
  • Average snowfall days in April: 0.3 days

The month with the highest number of snowfall days is February (3.8 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
Cairo, IL

Average daylight in April / Average sunshine in April - Cairo, IL
  • Average daylight in April: 13h and 10min

The month with the longest days is June (Average daylight: 14h and 40min).
The month with the shortest days is December (Average daylight: 9h and 40min).

  • Average sunshine in April: 8h and 48min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in April
Cairo, IL

Average sunshine days in April - Cairo, IL
  • Average sunshine days in April: 12.8 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (12.3 days).

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Average UV index in April
Cairo, IL

Average UV index in April - Cairo, IL
  • Average UV index in April: 5

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 and December (UV index 2).

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Average cloud cover in April
Cairo, IL

Average cloud cover in April - Cairo, IL
  • Average cloud cover in April: 40

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in April
Cairo, IL

Average visibility in April - Cairo, IL
  • Average visibility in April: 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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