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
Observing a rise in April, the average high-temperature goes from March's icy 41.2°F (5.1°C) to a cool 54.1°F (12.3°C). The temperature dips to an average of 37.4°F (3°C) during April nights.Humidity
The average relative humidity in April in Waterville is 77%.Rainfall
In Waterville, during April, the rain falls for 15.8 days and regularly aggregates up to 3.27" (83mm) of precipitation. Throughout the year, there are 144.7 rainfall days, and 30.94" (786mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 3.3 days. Throughout April, 2.52" (64mm) of snow is accumulated. In Waterville, during the entire year, snow falls for 57.7 days and aggregates up to 24.88" (632mm) of snow.Daylight
In Waterville, Iowa, the average length of the day in April is 13h and 26min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:32 pm. On the last day of April, sunrise is at 5:58 am and sunset at 8:06 pm CDT.
Sunshine
The average sunshine in April is 7.3h.UV index
In Waterville, Iowa, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in April leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Waterville have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Waterville have in April?
What is the UV index reading in April?
Average temperature in April
Waterville, IA
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in April: 37.4°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (9.7°F).
Average pressure in April
Waterville, IA
- 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 (29.89"Hg).
Average wind speed in April
Waterville, IA
- Average wind speed in April: 10.2mph
The windiest month (with the highest average wind speed) is April (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in April
Waterville, IA
- Average humidity in April: 77%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is October (76%).
Average rainfall in April
Waterville, IA
- Average rainfall in April: 3.27"
The wettest month (with the highest rainfall) is June (5.24").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in April
Waterville, IA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
Waterville, IA
- Average snowfall in April: 2.52"
The month with the highest snowfall is February (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Waterville, IA
- Average snowfall days in April: 3.3 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Waterville, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in April
Waterville, IA
- Average sunshine days in April: 11.2 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (7.6 days).
Average UV index in April
Waterville, IA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Waterville, IA
- Average cloud cover in April: 50
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in April
Waterville, IA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Waterville, Iowa, USA
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