May weather forecastRiverside, RI
May
Weather in May
May is recognized as the beginning of Riverside's warm season, accompanied by blooming gardens and blossoming trees. This month marks a departure from colder temperatures with highs reaching 65.8°F (18.8°C). The humidity slowly ascends, complementing the rise in temperature. Picnics and outdoor activities such as cycling become more frequent, with many residents making the most of this seasonal pivot.Temperature
A rise in the average high-temperature is observed during May, moving from a moderate 55.4°F (13°C) in April to a comfortable 65.8°F (18.8°C). In May, Riverside experiences a temperature dip to an average of 50°F (10°C) at night.Humidity
The average relative humidity in May is 76%.Rainfall
In Riverside, in May, it is raining for 14.2 days, with typically 1.77" (45mm) of accumulated precipitation. In Riverside, during the entire year, the rain falls for 144.3 days and collects up to 23.43" (595mm) of precipitation.Snowfall
Months with snowfall are January through May, November and December. May is the last month it regularly snows. During 0.2 snowfall days, in May, Riverside aggregates 0.16" (4mm) of snow. In Riverside, during the entire year, snow falls for 22 days and aggregates up to 7.83" (199mm) of snow.Daylight
The average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 5:40 am and sunset at 7:44 pm. On the last day of May, sunrise is at 5:13 am and sunset at 8:13 pm EDT.
Sunshine
In Riverside, the average sunshine in May is 8.5h.UV index
In Riverside, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Riverside, RI
- Average high temperature in May: 65.8°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 May: 50°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 May
Riverside, RI
- Average pressure in May: 30.01"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 May
Riverside, RI
- Average wind speed in May: 8mph
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 May
Riverside, RI
- Average humidity in May: 76%
The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).
Average rainfall in May
Riverside, RI
- Average rainfall in May: 1.77"
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 May
Riverside, RI
- Average rainfall days in May: 14.2 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 May
Riverside, RI
- Average snowfall in May: 0.16"
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 May
Riverside, RI
- Average snowfall days in May: 0.2 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 May /
Average sunshine in May
Riverside, RI
- Average daylight in May: 14h and 36min
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 May: 8h and 30min
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 May
Riverside, RI
- Average sunshine days in May: 14.8 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 May
Riverside, RI
- Average UV index in May: 5
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 May
Riverside, RI
- Average cloud cover in May: 45
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 May
Riverside, RI
- Average visibility in May: 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).
