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
Riverton's transition into April is marked by a temperature shift, moving from a cool 50.5°F (10.3°C) in March to a comfortable 61.7°F (16.5°C). The nighttime temperature, during April, averages of 44.1°F (6.7°C).Humidity
In Riverton, Iowa, the average relative humidity in April is 69%.Rainfall
In Riverton, during April, the rain falls for 14.3 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Riverton, during the entire year, the rain falls for 125.6 days and collects up to 26.14" (664mm) of precipitation.Snowfall
Months with snowfall in Riverton are January through April, October through December. April is the last month it regularly snows. During 1 snowfall days, in April, Riverton aggregates 1.14" (29mm) of snow. Throughout the year, there are 29.3 snowfall days, and 10.71" (272mm) of snow is accumulated.Daylight
The average length of the day in April in Riverton is 13h and 20min.On the first day of April in Riverton, sunrise is at 7:04 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 6:21 am and sunset at 8:17 pm CDT.
Sunshine
The average sunshine in April in Riverton is 8.3h.UV index
In April, the average daily maximum UV index in Riverton is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 4 in April interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April in Riverton?
What is the average humidity in April in Riverton?
How much does it rain in Riverton in April?
What is the last month it snows in Riverton?
How many hours of daylight does Riverton have in April?
What time are sunrise and sunset in April in Riverton?
How many hours of sunshine does Riverton have in April?
How high is the UV index in April in Riverton?
Average temperature in April
Riverton, IA
- Average high temperature in April: 61.7°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in April: 44.1°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in April
Riverton, IA
- Average pressure in April: 29.91"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Riverton, IA
- Average wind speed in April: 10.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in April
Riverton, IA
- Average humidity in April: 69%
The months with the highest relative humidity are January and July (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in April
Riverton, IA
- Average rainfall in April: 2.2"
The wettest month (with the highest rainfall) is June (4.29").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in April
Riverton, IA
- Average rainfall days in April: 14.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in April
Riverton, IA
- Average snowfall in April: 1.14"
The month with the highest snowfall is January (3.11").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in April
Riverton, IA
- Average snowfall days in April: 1 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Riverton, IA
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in April: 8h and 2min
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 42min).
Average sunshine days in April
Riverton, IA
- Average sunshine days in April: 13.6 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in April
Riverton, IA
- Average UV index in April: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Riverton, IA
- Average cloud cover in April: 42
The month with the most cloud cover is January (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in April
Riverton, IA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Riverton, Iowa, USA
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