April weather forecastSmithland, IA
April
Weather in April
April is a mild spring month in Smithland, Iowa, with an average temperature ranging between max 59.4°F (15.2°C) and min 42.1°F (5.6°C).Temperature
April marks a rise in the average high-temperature, moving from March's frosty 47.8°F (8.8°C) to a mild 59.4°F (15.2°C). The nights of April in Smithland anticipate an average low-temperature of 42.1°F (5.6°C).Humidity
The months with the lowest humidity are April and October, with an average relative humidity of 66%.Rainfall
In Smithland, during April, the rain falls for 13.4 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 117.6 rainfall days, and 21.89" (556mm) of precipitation is accumulated.Snowfall
Months with snowfall in Smithland are January through April, October through December. April is the last month it regularly snows. During 1.5 snowfall days, in April, Smithland aggregates 1.14" (29mm) of snow. Throughout the year, in Smithland, there are 32.9 snowfall days, and 11.69" (297mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 24min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:50 pm. On the last day of April, sunrise is at 6:19 am and sunset at 8:22 pm CDT.
Sunshine
In Smithland, Iowa, the average sunshine in April is 8.1h.UV index
In Smithland, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In April, the maximum UV index of 4 suggests this advice:
Take precautions - Protection against sun damage is advised. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Smithland, IA
- Average high temperature in April: 59.4°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (28°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in April
Smithland, IA
- Average pressure in April: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in April
Smithland, IA
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in April
Smithland, IA
- Average humidity in April: 66%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April and October (66%).
Average rainfall in April
Smithland, IA
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Smithland, IA
- Average rainfall days in April: 13.4 days
The month with the highest number of rainy days is May (16.6 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in April
Smithland, IA
- Average snowfall in April: 1.14"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Smithland, IA
- Average snowfall days in April: 1.5 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Smithland, 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: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in April
Smithland, IA
- Average sunshine days in April: 14 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in April
Smithland, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in April
Smithland, IA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Smithland, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





