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
Cass's weather in April shows a rise in the average high-temperature, moving up from March's chilly 44.6°F (7°C) to a moderate 56.8°F (13.8°C). Cass throughout April, experiences an average nighttime temperature of 40.6°F (4.8°C).Humidity
In Cass, Iowa, the average relative humidity in April is 75%.Rainfall
In April, in Cass, the rain falls for 15.5 days. Throughout April, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. April is the last month it regularly snows. During 1.3 snowfall days, in April, Cass aggregates 0.75" (19mm) of snow. Throughout the year, there are 38.8 snowfall days, and 15.16" (385mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 23min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:31 pm. On the last day of April, in Cass, sunrise is at 6:01 am and sunset at 8:04 pm CDT.
Sunshine
The average sunshine in April in Cass is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions
What is the average April temperature in Cass?
What is the average humidity in April in Cass?
How much does it rain in Cass in April?
What is the last month it snows in Cass?
How many hours of daylight does Cass have in April?
When are sunrise and sunset in April in Cass?
How long on average sun shines in April in Cass?
How high is the UV index in April in Cass?
Average temperature in April
Cass, IA
- Average high temperature in April: 56.8°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 (25.5°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
Cass, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Cass, 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
Cass, IA
- Average humidity in April: 75%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in April
Cass, IA
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in April
Cass, IA
- Average rainfall days in April: 15.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in April
Cass, IA
- Average snowfall in April: 0.75"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Cass, IA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Cass, IA
- Average daylight in April: 13h and 2min
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 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Cass, IA
- Average sunshine days in April: 12.3 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in April
Cass, IA
- Average UV index in April: 3
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
Cass, IA
- Average cloud cover in April: 48
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
Cass, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Cass, Iowa, USA
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