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
The beginning of April signals a rise in the average high-temperature, moving from a frosty 46.6°F (8.1°C) in March to a mild 58.6°F (14.8°C). Sunbury, during the month of April, experiences an average low-temperature of 42.4°F (5.8°C).Humidity
The average relative humidity in April in Sunbury is 74%.Rainfall
In Sunbury, in April, during 15.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Sunbury, during the entire year, the rain falls for 136.9 days and collects up to 27.95" (710mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. April is the last month it regularly snows in Sunbury. During 0.8 snowfall days, in April, Sunbury aggregates 0.59" (15mm) of snow. Throughout the year, there are 35.1 snowfall days, and 12.8" (325mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 22min.On the first day of April, sunrise is at 6:45 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:00 am and sunset at 8:01 pm CDT.
Sunshine
In Sunbury, the average sunshine in April is 7.8h.UV index
In April, the average daily maximum UV index in Sunbury is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in April leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sunbury in April?
What is the average humidity in April in Sunbury?
How much does it rain in Sunbury in April?
What is the last month it snows in Sunbury?
How many hours of daylight does Sunbury have in April?
When is the sunrise / sunset in April in Sunbury?
How many hours of sunshine does Sunbury have in April?
How high is the UV index in April in Sunbury?
Average temperature in April
Sunbury, IA
- Average high temperature in April: 58.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (27.7°F).
- Average low temperature in April: 42.4°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in April
Sunbury, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Sunbury, IA
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in April
Sunbury, IA
- Average humidity in April: 74%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Sunbury, IA
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is May (4.57").
The driest month (with the least rainfall) is February (1.1").
Average rainfall days in April
Sunbury, IA
- Average rainfall days in April: 15.8 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in April
Sunbury, IA
- Average snowfall in April: 0.59"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Sunbury, IA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (11.3 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
Sunbury, IA
- 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Sunbury, IA
- Average sunshine days in April: 12.5 days
The month with the most sunshine days is December (18.4 days).
The months with the least sunshine days are May and June (11.4 days).
Average UV index in April
Sunbury, IA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Sunbury, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in April
Sunbury, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Sunbury, Iowa, USA
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