April weather forecast
Rockport, IL

Share

Weather in April

April in Rockport, Illinois, is a refreshing spring month, with an average temperature ranging between max 64°F (17.8°C) and min 45.9°F (7.7°C).

Temperature

April brings an increase in the average high-temperature, progressing from a fresh 52.2°F (11.2°C) in March to a refreshing 64°F (17.8°C). An average low-temperature of 45.9°F (7.7°C) is recorded in the month of April in Rockport.

Humidity

In April, the average relative humidity is 75%.

Rainfall

In Rockport, in April, during 14.8 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. Throughout the year, there are 142.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 0.5 snowfall days, in April, Rockport aggregates 0.04" (1mm) of snow. In Rockport, during the entire year, snow falls for 26.1 days and aggregates up to 9.45" (240mm) of snow.

Daylight

The average length of the day in April is 13h and 16min.
On the first day of the month, sunrise is at 6:46 am and sunset at 7:28 pm. On the last day of April, sunrise is at 6:05 am and sunset at 7:57 pm CDT.

Sunshine

The average sunshine in April is 8.1h.

UV index

In April, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In April, the maximum UV index of 4 suggests these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To cut down UV radiation exposure by about half, sport a wide-brim hat. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What are the temperatures in April?

During April, Rockport experiences an average high-temperature of 64°F (17.8°C) and a low-temperature of 45.9°F (7.7°C).

What is the average humidity in April?

In April, the average relative humidity is 75%.

How many days does it rain in April?

In Rockport, in April, it is raining for 14.8 days, with typically 2.83" (72mm) of accumulated precipitation.

What is the last month it snows?

April is the last month it regularly snows. During 0.5 snowfall days, in April, Rockport aggregates 0.04" (1mm) of snow.

How many hours of daylight does Rockport have in April?

In Rockport, the average day length in April is 13h and 16min.

What time are sunrise and sunset in April?

On the first day of April, sunrise is at 6:46 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 7:57 pm CDT.

How long on average sun shines in April?

In Rockport, the average sunshine duration in April is 8.1h.

How high is the UV index in April?

In April, the average daily maximum UV index is 4. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Rockport, IL

Average temperature in April - Rockport, IL
  • Average high temperature in April: 64°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in April: 45.9°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in April
Rockport, IL

Average pressure in April - Rockport, IL
  • Average pressure in April: 29.93"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Rockport, IL

Average wind speed in April - Rockport, IL
  • Average wind speed in April: 9.6mph

The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in April
Rockport, IL

Average humidity in April - Rockport, IL
  • Average humidity in April: 75%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in April
Rockport, IL

Average rainfall in April - Rockport, IL
  • Average rainfall in April: 2.83"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in April
Rockport, IL

Average rainfall days in April - Rockport, IL
  • Average rainfall days in April: 14.8 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 (6.3 days).

Average snowfall in April
Rockport, IL

Average snowfall in April - Rockport, IL
  • Average snowfall in April: 0.04"

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in April
Rockport, IL

Average snowfall days in April - Rockport, IL
  • Average snowfall days in April: 0.5 days

The month with the highest number of snowfall days is January (8.5 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
Rockport, IL

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in April: 8h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

Average sunshine days in April
Rockport, IL

Average sunshine days in April - Rockport, IL
  • Average sunshine days in April: 13.3 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in April
Rockport, IL

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

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in April
Rockport, IL

Average cloud cover in April - Rockport, IL
  • Average cloud cover in April: 43

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

Average visibility in April
Rockport, IL

Average visibility in April - Rockport, 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).

Rockport, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location