April weather forecastRiverside, MO
April
Weather in April
April in Riverside, Missouri, is a refreshing spring month, with an average temperature fluctuating between 45.7°F (7.6°C) and 64°F (17.8°C).Temperature
Riverside's transition into April is marked by a rise in the average high-temperature, advancing from a fresh 53.6°F (12°C) in March to a comfortable 64°F (17.8°C). In April, Riverside reports a consistent average low-temperature of 45.7°F (7.6°C) during the nights.Humidity
In April, the average relative humidity is 73%.Rainfall
In Riverside, in April, during 13.1 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Riverside, during the entire year, the rain falls for 126.5 days and collects up to 21.65" (550mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Riverside, during April, snow falls for 0.3 days and regularly aggregates up to 0.04" (1mm) of snow. Throughout the year, there are 17.2 snowfall days, and 5.51" (140mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 16min.On the first day of the month, sunrise is at 7:01 am and sunset at 7:42 pm. On the last day of April, sunrise is at 6:20 am and sunset at 8:11 pm CDT.
Sunshine
In April, the average sunshine is 8.4h.UV index
The average daily maximum UV index in April in Riverside, Missouri, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. To guard against the harmful effects of the Sun, minimize exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Riverside, MO
- Average high temperature in April: 64°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (36.5°F).
- Average low temperature in April: 45.7°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).
Average pressure in April
Riverside, MO
- 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 (29.89"Hg).
Average wind speed in April
Riverside, MO
- Average wind speed in April: 9.8mph
The windiest months (with the highest average wind speed) are February, March and April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in April
Riverside, MO
- Average humidity in April: 73%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (69%).
Average rainfall in April
Riverside, MO
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (0.67").
Average rainfall days in April
Riverside, MO
- Average rainfall days in April: 13.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in April
Riverside, MO
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in April
Riverside, MO
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Riverside, MO
- Average daylight in April: 13h and 18min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in April: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in April
Riverside, MO
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is December (22.1 days).
The month with the least sunshine days is May (11.6 days).
Average UV index in April
Riverside, MO
- 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
Riverside, MO
- Average cloud cover in April: 41
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in April
Riverside, MO
- 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).
