April weather forecastDonnan, IA
April
Weather in April
April is a fresh spring month in Donnan, Iowa, with an average temperature ranging between min 39°F (3.9°C) and max 54.7°F (12.6°C).Temperature
Donnan in April sees a temperature change, with average high-temperatures moving from an icy 42.4°F (5.8°C) in March to a fresh 54.7°F (12.6°C). April's nights in Donnan observe an average temperature of 39°F (3.9°C).Humidity
The average relative humidity in April is 75%.Rainfall
In Donnan, in April, it is raining for 15.9 days, with typically 3.23" (82mm) of accumulated precipitation. In Donnan, during the entire year, the rain falls for 140.2 days and collects up to 28.7" (729mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, it is snowing for 2.6 days. Throughout April, 1.3" (33mm) of snow is accumulated. Throughout the year, in Donnan, there are 47.1 snowfall days, and 19.96" (507mm) of snow is accumulated.Daylight
In April, the average length of the day in Donnan is 13h and 26min.On the first day of April, sunrise is at 6:48 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:07 pm CDT.
Sunshine
In April, the average sunshine is 7.5h.UV index
The average daily maximum UV index in April in Donnan, Iowa, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Donnan, IA
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (23.7°F).
- Average low temperature in April: 39°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in April
Donnan, IA
- Average pressure in April: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Donnan, IA
- Average wind speed in April: 10.7mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in April
Donnan, IA
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Donnan, IA
- Average rainfall in April: 3.23"
The wettest month (with the highest rainfall) is June (4.45").
The driest month (with the least rainfall) is January (1.06").
Average rainfall days in April
Donnan, IA
- Average rainfall days in April: 15.9 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in April
Donnan, IA
- Average snowfall in April: 1.3"
The month with the highest snowfall is February (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Donnan, IA
- Average snowfall days in April: 2.6 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Donnan, IA
- Average daylight in April: 13h and 24min
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 6min).
- Average sunshine in April: 7h and 30min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in April
Donnan, IA
- Average sunshine days in April: 11.7 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in April
Donnan, IA
- Average UV index in April: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in April
Donnan, IA
- Average cloud cover in April: 49
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Donnan, IA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).





