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
April's onset is marked by a temperature increase, moving from a chilly 45.5°F (7.5°C) in March to a refreshing 57°F (13.9°C). During the month of April, Waterman anticipates a mean low-temperature of 40.5°F (4.7°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Waterman, Illinois, during April, the rain falls for 16.9 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Waterman, Illinois, during the entire year, the rain falls for 158.9 days and collects up to 32.52" (826mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows in Waterman. During 1.8 snowfall days, in April, Waterman aggregates 2.01" (51mm) of snow. Throughout the year, there are 42.1 snowfall days, and 17.48" (444mm) of snow is accumulated.Daylight
The average length of the day in April in Waterman is 13h and 22min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:21 pm. On the last day of April, in Waterman, sunrise is at 5:51 am and sunset at 7:52 pm CDT.
Sunshine
The average sunshine in April in Waterman is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in April transforms into the following instructions:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Waterman?
What is the average humidity in April in Waterman?
How many days does it rain in April in Waterman?
What is the last month it snows in Waterman?
What is the average length of the day in April in Waterman?
When are sunrise and sunset in April in Waterman?
How many hours of sunshine does Waterman have in April?
How high is the UV index in April in Waterman?
Average temperature in April
Waterman, IL
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (27.5°F).
- Average low temperature in April: 40.5°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (15.6°F).
Average pressure in April
Waterman, IL
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Waterman, IL
- Average wind speed in April: 9.9mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in April
Waterman, IL
- Average humidity in April: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Waterman, IL
- Average rainfall in April: 3.82"
The wettest month (with the highest rainfall) is May (4.41").
The driest months (with the least rainfall) are November and December (1.69").
Average rainfall days in April
Waterman, IL
- Average rainfall days in April: 16.9 days
The month with the highest number of rainy days is July (19.2 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in April
Waterman, IL
- Average snowfall in April: 2.01"
The month with the highest snowfall is January (5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Waterman, IL
- Average snowfall days in April: 1.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Waterman, IL
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in April: 7h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Waterman, IL
- Average sunshine days in April: 10.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in April
Waterman, IL
- Average UV index in April: 3
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Waterman, IL
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 34).
Average visibility in April
Waterman, IL
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Waterman, Illinois, USA
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