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 brings an increase in the average high-temperature, moving from a wintry 36°F (2.2°C) to a cool 50°F (10°C). Riverdale throughout April, records an average low-temperature of 33.6°F (0.9°C).Humidity
The average relative humidity in April is 66%.Rainfall
In April, the rain falls for 11 days. Throughout April, 1.22" (31mm) of precipitation is accumulated. In Riverdale, during the entire year, the rain falls for 95.9 days and collects up to 14.65" (372mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Riverdale, in April, snow falls for 4.8 days, with typically accumulated 1.61" (41mm) of snow. In Riverdale, during the entire year, snow falls for 68 days and aggregates up to 18.19" (462mm) of snow.Daylight
In Riverdale, the average length of the day in April is 13h and 40min.On the first day of the month, sunrise is at 7:22 am and sunset at 8:15 pm. On the last day of April, sunrise is at 6:28 am and sunset at 8:56 pm CDT.
Sunshine
The average sunshine in April is 7.3h.UV index
In Riverdale, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In April, the UV index of 3 transforms into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April in Riverdale?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Riverdale have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Riverdale, ND
- Average high temperature in April: 50°F
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in April: 33.6°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (5.4°F).
Average pressure in April
Riverdale, ND
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in April
Riverdale, ND
- Average wind speed in April: 10.9mph
The windiest month (with the highest average wind speed) is October (11mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in April
Riverdale, ND
- Average humidity in April: 66%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (54%).
Average rainfall in April
Riverdale, ND
- Average rainfall in April: 1.22"
The wettest month (with the highest rainfall) is June (2.64").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in April
Riverdale, ND
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is June (13.9 days).
The month with the least rainy days is February (2.1 days).
Average snowfall in April
Riverdale, ND
- Average snowfall in April: 1.61"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Riverdale, ND
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Riverdale, ND
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 7h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in April
Riverdale, ND
- Average sunshine days in April: 14.5 days
The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is March (13.9 days).
Average UV index in April
Riverdale, ND
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in April
Riverdale, ND
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 22).
Average visibility in April
Riverdale, ND
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Riverdale, North Dakota, USA
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