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
April's arrival coincides with a rise in the average high-temperature, moving from March's cold 42.1°F (5.6°C) to a moderate 55.8°F (13.2°C). Nighttime temperatures in April average to a wintry 39.9°F (4.4°C).Humidity
In April, the average relative humidity in Duncan is 70%.Rainfall
In Duncan, in April, during 14.5 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. In Duncan, during the entire year, the rain falls for 127.1 days and collects up to 24.8" (630mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Duncan, in April, during 2.6 snowfall days, 1.77" (45mm) of snow is typically accumulated. In Duncan, during the entire year, snow falls for 51.2 days and aggregates up to 20.91" (531mm) of snow.Daylight
In April, the average length of the day in Duncan, Iowa, is 13h and 26min.On the first day of April in Duncan, sunrise is at 6:55 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 8:15 pm CDT.
Sunshine
The average sunshine in April in Duncan is 7.7h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Duncan in April?
What is the average humidity in April in Duncan?
How many days does it rain in April in Duncan?
How many days does it snow in April in Duncan?
How many hours of daylight does Duncan have in April?
When are sunrise and sunset in April in Duncan?
How long on average sun shines in April in Duncan?
What is the UV index intensity in April in Duncan?
Average temperature in April
Duncan, IA
- Average high temperature in April: 55.8°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (22.8°F).
- Average low temperature in April: 39.9°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in April
Duncan, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in April
Duncan, IA
- Average wind speed in April: 11mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity in April
Duncan, IA
- Average humidity in April: 70%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Duncan, IA
- Average rainfall in April: 2.76"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in April
Duncan, IA
- Average rainfall days in April: 14.5 days
The month with the highest number of rainy days is June (17.8 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in April
Duncan, IA
- Average snowfall in April: 1.77"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Duncan, IA
- Average snowfall days in April: 2.6 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Duncan, IA
- Average daylight in April: 13h and 2min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Duncan, IA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in April
Duncan, 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 December (UV index 1).
Average cloud cover in April
Duncan, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 32).
Average visibility in April
Duncan, 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).
Duncan, Iowa, USA
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