April weather forecastMarengo, IA
April
Weather in April
April in Marengo, Iowa, is a mild spring month, with an average temperature ranging between max 58.1°F (14.5°C) and min 41.4°F (5.2°C).Temperature
Marengo, Iowa, in April shows a temperature shift, moving from an average high of a frosty 45.9°F (7.7°C) in March to a moderate 58.1°F (14.5°C). In Marengo, the average temperature during the nights of April drops to a cold 41.4°F (5.2°C).Humidity
In Marengo, the average relative humidity in April is 74%.Rainfall
In April, the rain falls for 15.3 days. Throughout April, 3.19" (81mm) of precipitation is accumulated. Throughout the year, in Marengo, there are 141.8 rainfall days, and 29.61" (752mm) of precipitation is accumulated.Snowfall
Months with snowfall in Marengo are January through May, October through December. In Marengo, during April, snow falls for 1.5 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, there are 36.9 snowfall days, and 15.91" (404mm) of snow is accumulated.Daylight
In Marengo, the average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:34 pm. On the last day of April, in Marengo, sunrise is at 6:04 am and sunset at 8:06 pm CDT.
Sunshine
In April, the average sunshine is 7.8h.UV index
The average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in April, converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Marengo, IA
- Average high temperature in April: 58.1°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27°F).
- Average low temperature in April: 41.4°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in April
Marengo, IA
- Average pressure in April: 29.93"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in April
Marengo, IA
- Average wind speed in April: 10.7mph
The windiest months (with the highest average wind speed) are January and April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in April
Marengo, IA
- Average humidity in April: 74%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in April
Marengo, IA
- Average rainfall in April: 3.19"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in April
Marengo, IA
- Average rainfall days in April: 15.3 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in April
Marengo, IA
- Average snowfall in April: 0.63"
The month with the highest snowfall is January (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Marengo, IA
- Average snowfall days in April: 1.5 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
Marengo, 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: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in April
Marengo, IA
- Average sunshine days in April: 12 days
The month with the most sunshine days is January (18.3 days).
The month with the least sunshine days is June (9.6 days).
Average UV index in April
Marengo, IA
- Average UV index in April: 4
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
Marengo, IA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in April
Marengo, 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).
