April weather forecastNaplate, IL
April
Weather in April
April is a refreshing spring month in Naplate, Illinois, with an average temperature fluctuating between 58.8°F (14.9°C) and 42.4°F (5.8°C).Temperature
April witnesses an increase in the average high-temperature, moving from a chilly 46.9°F (8.3°C) in March to a mild 58.8°F (14.9°C). Naplate experiences an average low-temperature of 42.4°F (5.8°C) in the month of April.Humidity
In Naplate, the average relative humidity in April is 74%.Rainfall
In Naplate, in April, during 17.6 rainfall days, 4.25" (108mm) of precipitation is typically accumulated. In Naplate, during the entire year, the rain falls for 166.3 days and collects up to 35.35" (898mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows. During 1.7 snowfall days, in April, Naplate aggregates 1.93" (49mm) of snow. In Naplate, Illinois, during the entire year, snow falls for 43.4 days and aggregates up to 17.76" (451mm) of snow.Daylight
In Naplate, the average length of the day in April is 13h and 21min.On the first day of April, sunrise is at 6:37 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 7:52 pm CDT.
Sunshine
In Naplate, the average sunshine in April is 7.8h.UV index
In Naplate, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In April, a daily UV index of 3 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Naplate, IL
- Average high temperature in April: 58.8°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).
Average pressure in April
Naplate, IL
- Average pressure in April: 29.94"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).
Average wind speed in April
Naplate, IL
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in April
Naplate, 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 (72%).
Average rainfall in April
Naplate, IL
- Average rainfall in April: 4.25"
The wettest month (with the highest rainfall) is May (5").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in April
Naplate, IL
- Average rainfall days in April: 17.6 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in April
Naplate, IL
- Average snowfall in April: 1.93"
The month with the highest snowfall is February (5.08").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Naplate, IL
- Average snowfall days in April: 1.7 days
The month with the highest number of snowfall days is January (12.9 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
Naplate, IL
- Average daylight in April: 13h and 24min
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 48min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Naplate, IL
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in April
Naplate, IL
- Average UV index in April: 3
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
Naplate, IL
- Average cloud cover in April: 48
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 32).
Average visibility in April
Naplate, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





