April weather forecastRockwell City, IA
April
Weather in April
The weather in Rockwell City takes a warmer turn in April, bringing sunny afternoons and blooming flowers. With a significant decrease in snowfall to just 1.06" (27mm), the ground finally shakes off its winter blanket. However, the longer daylight hours of 13.4 and increased rainfall, reaching a high of 2.87" (73mm), prevents the city from becoming arid. Steady breezes add an extra freshness to the city's already blooming atmosphere, making it an ideal time for open-air activities. Residents start to enjoy the outdoors more in April, cherishing the warmth and the city's vibrant display of spring.Temperature
Observing a rise in April, the average high-temperature goes from March's frosty 45.1°F (7.3°C) to a refreshing 57.7°F (14.3°C). Nighttime temperature in Rockwell City dips to a mean of 41.4°F (5.2°C) during April.Humidity
April and October, with an average relative humidity of 68%, are the least humid months.Rainfall
In April, in Rockwell City, the rain falls for 14.4 days. Throughout April, 2.87" (73mm) of precipitation is accumulated. In Rockwell City, during the entire year, the rain falls for 128 days and collects up to 26.18" (665mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In April, it is snowing for 1.4 days. Throughout April, 1.06" (27mm) of snow is accumulated. Throughout the year, there are 39.2 snowfall days, and 17.64" (448mm) of snow is accumulated.Daylight
In Rockwell City, Iowa, the average length of the day in April is 13h and 24min.On the first day of April in Rockwell City, Iowa, sunrise is at 6:59 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 8:17 pm CDT.
Sunshine
In Rockwell City, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in Rockwell City, Iowa, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 3 during April translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Rockwell City, IA
- Average high temperature in April: 57.7°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in April
Rockwell City, 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 (29.88"Hg).
Average wind speed in April
Rockwell City, IA
- Average wind speed in April: 10.9mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in April
Rockwell City, IA
- Average humidity in April: 68%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in April
Rockwell City, IA
- Average rainfall in April: 2.87"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in April
Rockwell City, IA
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is February (3 days).
Average snowfall in April
Rockwell City, IA
- Average snowfall in April: 1.06"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Rockwell City, IA
- Average snowfall days in April: 1.4 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Rockwell City, 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 6min).
- Average sunshine in April: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Rockwell City, IA
- Average sunshine days in April: 12.6 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in April
Rockwell City, 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 February (UV index 1).
Average cloud cover in April
Rockwell City, IA
- Average cloud cover in April: 45
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and September (Cloud cover 30).
Average visibility in April
Rockwell City, 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).
