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 shift into April brings an increase in the average high-temperature, moving from an icy 42.1°F (5.6°C) in March to a fresh 54.9°F (12.7°C). In April, the average low-temperature records at a wintry 38.8°F (3.8°C) during the nights.Humidity
The average relative humidity in April in Sibley is 69%.Rainfall
In Sibley, Iowa, in April, during 13.3 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Sibley, Iowa, during the entire year, the rain falls for 122.3 days and collects up to 22.24" (565mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Sibley, in April, during 3.2 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, there are 51.6 snowfall days, and 19.69" (500mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 27min.On the first day of April in Sibley, sunrise is at 7:03 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:24 pm CDT.
Sunshine
In Sibley, the average sunshine in April is 8h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during April translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures in Sibley?
What is the average humidity in April in Sibley?
How much does it rain in Sibley in April?
How many days does it snow in April in Sibley?
How many hours of daylight does Sibley have in April?
When is the sunrise / sunset in April in Sibley?
How long on average sun shines in April in Sibley?
What is the UV index intensity in April in Sibley?
Average temperature in April
Sibley, IA
- Average high temperature in April: 54.9°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 (22.3°F).
- Average low temperature in April: 38.8°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in April
Sibley, IA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Sibley, IA
- Average wind speed in April: 11.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.9mph).
Average humidity in April
Sibley, IA
- Average humidity in April: 69%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (68%).
Average rainfall in April
Sibley, IA
- Average rainfall in April: 2.28"
The wettest month (with the highest rainfall) is June (3.7").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in April
Sibley, IA
- Average rainfall days in April: 13.3 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in April
Sibley, IA
- Average snowfall in April: 1.89"
The month with the highest snowfall is February (4.53").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Sibley, IA
- Average snowfall days in April: 3.2 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Sibley, IA
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Sibley, IA
- Average sunshine days in April: 13.1 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in April
Sibley, IA
- 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 February (UV index 1).
Average cloud cover in April
Sibley, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in April
Sibley, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Sibley, Iowa, USA
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