April weather forecastHiawatha, IA
April
Weather in April
April is a refreshing spring month in Hiawatha, Iowa, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 57°F (13.9°C).Temperature
April's arrival brings a temperature shift, moving from a frosty 44.2°F (6.8°C) in March to a moderate 57°F (13.9°C). Hiawatha records an average low-temperature of 40.6°F (4.8°C) throughout the month of April.Humidity
In Hiawatha, the average relative humidity in April is 74%.Rainfall
In Hiawatha, in April, during 15.3 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. In Hiawatha, during the entire year, the rain falls for 138.6 days and collects up to 27.8" (706mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In April, in Hiawatha, it is snowing for 1.5 days. Throughout April, 0.75" (19mm) of snow is accumulated. In Hiawatha, during the entire year, snow falls for 41.2 days and aggregates up to 16.73" (425mm) of snow.Daylight
In Hiawatha, the average length of the day in April is 13h and 23min.On the first day of April, sunrise is at 6:47 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 8:05 pm CDT.
Sunshine
The average sunshine in April in Hiawatha is 7.6h.UV index
In Hiawatha, the average daily maximum UV index in April is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Guard yourself - Avoiding sunburn is suggested. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Hiawatha, IA
- Average high temperature in April: 57°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in April
Hiawatha, 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 (29.89"Hg).
Average wind speed in April
Hiawatha, IA
- Average wind speed in April: 10.8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Hiawatha, IA
- Average humidity in April: 74%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).
Average rainfall in April
Hiawatha, IA
- Average rainfall in April: 3.19"
The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in April
Hiawatha, IA
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Hiawatha, IA
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Hiawatha, IA
- Average snowfall days in April: 1.5 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
Hiawatha, IA
- Average daylight in April: 13h and 24min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in April
Hiawatha, IA
- Average sunshine days in April: 11.9 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in April
Hiawatha, IA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Hiawatha, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in April
Hiawatha, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
