April weather forecastRiverside, RI
April
Weather in April
April in Riverside signals the arrival of milder weather. The climate warms considerably, with fewer snow days and an increase in rain frequency. A significant change in weather becomes apparent as fewer layers of clothing are necessary. Sunshine dominates most of the day with extended daylight hours. The rhododendron-adorned landscapes immerse Riverside in the delights of springtime.Temperature
As April arrives, a rise in the average high-temperature is observed, moving from a frosty 44.2°F (6.8°C) in March to a mild 55.4°F (13°C). During April, Riverside witnesses a consistent average low-temperature of 40.6°F (4.8°C).Humidity
The least humid month is April, with an average relative humidity of 72%.Rainfall
The month with the most rainfall is April, when the rain falls for 14.9 days and typically aggregates up to 2.4" (61mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In Riverside, during April, snow falls for 0.8 days and regularly aggregates up to 0.43" (11mm) of snow. Throughout the year, there are 22 snowfall days, and 7.83" (199mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 22min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:11 pm. On the last day of April, sunrise is at 5:42 am and sunset at 7:43 pm EDT.
Sunshine
In April, the average sunshine is 8.3h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 3 in April suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Riverside, RI
- Average high temperature in April: 55.4°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in April: 40.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in April
Riverside, RI
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in April
Riverside, RI
- Average wind speed in April: 9.3mph
The windiest months (with the highest average wind speed) are January, February and March (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in April
Riverside, RI
- Average humidity in April: 72%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in April
Riverside, RI
- Average rainfall in April: 2.4"
The wettest month (with the highest rainfall) is April (2.4").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in April
Riverside, RI
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in April
Riverside, RI
- Average snowfall in April: 0.43"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in April
Riverside, RI
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Riverside, RI
- 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: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in April
Riverside, RI
- Average sunshine days in April: 13.2 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is April (13.2 days).
Average UV index in April
Riverside, RI
- Average UV index in April: 3
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, March, November and December (UV index 2).
Average cloud cover in April
Riverside, RI
- Average cloud cover in April: 46
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in April
Riverside, RI
- 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).
