April weather forecast
Mazon, IL

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Weather in April

April is a mild spring month in Mazon, Illinois, with an average temperature varying between 58.8°F (14.9°C) and 42.6°F (5.9°C).

Temperature

In Mazon, the onset of April comes with an increased average high-temperature, moving from March's frosty 47.5°F (8.6°C) to a moderate 58.8°F (14.9°C). The average low-temperature of 42.6°F (5.9°C) is witnessed during April.

Humidity

In April, the average relative humidity is 74%.

Rainfall

In Mazon, Illinois, in April, it is raining for 14.3 days, with typically 2.28" (58mm) of accumulated precipitation. In Mazon, during the entire year, the rain falls for 140.4 days and collects up to 21.5" (546mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.3 snowfall days, in April, Mazon aggregates 1.3" (33mm) of snow. In Mazon, during the entire year, snow falls for 38.1 days and aggregates up to 9.13" (232mm) of snow.

Daylight

The average length of the day in April is 13h and 21min.
On the first day of the month, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of April, in Mazon, sunrise is at 5:51 am and sunset at 7:50 pm CDT.

Sunshine

In April, the average sunshine in Mazon is 7.8h.

UV index

In Mazon, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in April transforms into this advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Experience reduced UV exposure by about half when donning a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are April temperatures in Mazon?

In Mazon, 58.8°F (14.9°C) is the average high-temperature and 42.6°F (5.9°C) is the average low-temperature during April.

What is the average humidity in April in Mazon?

In April, the average relative humidity is 74%.

How much does it rain in Mazon in April?

In Mazon, Illinois, in April, during 14.3 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

What is the last month it snows in Mazon?

April is the last month it regularly snows. During 1.3 snowfall days, in April, Mazon aggregates 1.3" (33mm) of snow.

How many hours of daylight does Mazon have in April?

In April, the average day length in Mazon is 13h and 21min.

When are sunrise and sunset in April in Mazon?

On the first day of April, sunrise is at 6:35 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 7:50 pm CDT.

How many hours of sunshine does Mazon have in April?

The average sunshine duration in April in Mazon is 7.8h.

What is the UV index intensity in April in Mazon?

In Mazon, the average daily maximum UV index in April is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Mazon, IL

Average temperature in April - Mazon, IL
  • Average high temperature in April: 58.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).

  • Average low temperature in April: 42.6°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°F).

Average pressure in April
Mazon, IL

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in April
Mazon, IL

Average wind speed in April - Mazon, IL
  • Average wind speed in April: 10.1mph

The windiest months (with the highest average wind speed) are January and April (10.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in April
Mazon, IL

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

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall in April
Mazon, IL

Average rainfall in April - Mazon, IL
  • Average rainfall in April: 2.28"

The wettest month (with the highest rainfall) is May (2.91").
The driest month (with the least rainfall) is February (0.98").

Average rainfall days in April
Mazon, IL

Average rainfall days in April - Mazon, IL
  • Average rainfall days in April: 14.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall in April
Mazon, IL

Average snowfall in April - Mazon, IL
  • Average snowfall in April: 1.3"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Mazon, IL

Average snowfall days in April - Mazon, IL
  • Average snowfall days in April: 1.3 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in April / Average sunshine in April - Mazon, IL
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in April: 7h and 5min

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 54min).

Average sunshine days in April
Mazon, IL

Average sunshine days in April - Mazon, IL
  • Average sunshine days in April: 12.2 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in April
Mazon, IL

Average UV index in April - Mazon, IL
  • Average UV index in April: 4

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

Average cloud cover in April
Mazon, IL

Average cloud cover in April - Mazon, IL
  • Average cloud cover in April: 48

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).

Average visibility in April
Mazon, IL

Average visibility in April - Mazon, 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).

Mazon, Illinois, USA

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