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
The shift from March to April sees an increase in the average high-temperature, transitioning from a chilly 43.2°F (6.2°C) to a refreshing 55.4°F (13°C). An average low-temperature of 39.2°F (4°C) is recorded in the month of April in Rock Rapids.Humidity
The average relative humidity in April in Rock Rapids is 68%.Rainfall
In April, the rain falls for 13.1 days. Throughout April, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 119.2 rainfall days, and 22.13" (562mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rock Rapids, Iowa, are January through May, October through December. In Rock Rapids, in April, snow falls for 3 days, with typically accumulated 1.81" (46mm) of snow. Throughout the year, there are 48.3 snowfall days, and 19.29" (490mm) of snow is accumulated.Daylight
In Rock Rapids, Iowa, the average length of the day in April is 13h and 27min.On the first day of April, sunrise is at 7:04 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:26 pm CDT.
Sunshine
In April, the average sunshine is 8h.UV index
In April, the average daily maximum UV index in Rock Rapids is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Prioritize safety - Recommendations to avert sunburn are shared. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Rock Rapids in April?
What is the average humidity in April in Rock Rapids?
How many days does it rain in April in Rock Rapids?
How much does it snow in Rock Rapids in April?
How many hours of daylight does Rock Rapids have in April?
What time are sunrise and sunset in April in Rock Rapids?
How long on average sun shines in April in Rock Rapids?
How high is the UV index in April in Rock Rapids?
Average temperature in April
Rock Rapids, IA
- Average high temperature in April: 55.4°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (23°F).
- Average low temperature in April: 39.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in April
Rock Rapids, IA
- Average pressure in April: 29.93"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
Rock Rapids, IA
- Average wind speed in April: 11.2mph
The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in April
Rock Rapids, IA
- Average humidity in April: 68%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).
Average rainfall in April
Rock Rapids, IA
- Average rainfall in April: 2.36"
The wettest month (with the highest rainfall) is June (3.43").
The driest month (with the least rainfall) is January (0.71").
Average rainfall days in April
Rock Rapids, IA
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is February (2.7 days).
Average snowfall in April
Rock Rapids, IA
- Average snowfall in April: 1.81"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rock Rapids, IA
- Average snowfall days in April: 3 days
The month with the highest number of snowfall days is December (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rock Rapids, IA
- Average daylight in April: 13h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in April: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in April
Rock Rapids, IA
- Average sunshine days in April: 13 days
The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in April
Rock Rapids, IA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Rock Rapids, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in April
Rock Rapids, IA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Rock Rapids, Iowa, USA
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