Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As April begins, there is an increase in the average high-temperature, moving from a fresh 52.2°F (11.2°C) in March to a comfortable 64°F (17.8°C). Nighttime temperature dips to a mean of 45.9°F (7.7°C) during April.Humidity
In April, the average relative humidity in Rockport is 75%.Rainfall
In Rockport, in April, it is raining for 14.8 days, with typically 2.83" (72mm) of accumulated precipitation. In Rockport, during the entire year, the rain falls for 142.7 days and collects up to 27.64" (702mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Rockport. 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
In April, the average length of the day in Rockport, Illinois, 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
In Rockport, the average sunshine in April is 8.1h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during April translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What is the average April temperature in Rockport?
What is the average humidity in April in Rockport?
How many days does it rain in April in Rockport?
What is the last month it snows in Rockport?
How many hours of daylight does Rockport have in April?
When are sunrise and sunset in April in Rockport?
How long on average sun shines in April in Rockport?
What is the UV index intensity in April in Rockport?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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
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