Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a fresh 53.1°F (11.7°C) to an enjoyable 62.1°F (16.7°C). Perryville's May nights cool down to an average low-temperature of 50.9°F (10.5°C).Humidity
In May, the average relative humidity is 80%.Rainfall
In Perryville, during May, the rain falls for 14.2 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 145.1 rainfall days, and 30" (762mm) of precipitation is accumulated.Snowfall
In Perryville, snow does not fall in April through November.Daylight
In Perryville, the average length of the day in May is 14h and 32min.On the first day of May, sunrise is at 5:42 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 5:15 am and sunset at 8:12 pm EDT.
Sunshine
In May, the average sunshine is 8.5h.UV index
The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the UV index of 5 transforms into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
How many hours of daylight does Perryville have in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Perryville, RI
- Average high temperature in May: 62.1°F
The warmest months (with the highest average high temperature) are July and August (77.5°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in May: 50.9°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 (26.8°F).
Average pressure in May
Perryville, 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
Perryville, RI
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is August (8.4mph).
Average humidity in May
Perryville, RI
- Average humidity in May: 80%
The month with the highest relative humidity is June (82%).
The months with the lowest relative humidity are March, April and November (74%).
Average rainfall in May
Perryville, RI
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in May
Perryville, RI
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Perryville, RI
- Average snowfall in May: 0"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Perryville, RI
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Perryville, RI
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in May
Perryville, RI
- Average sunshine days in May: 15.4 days
The month with the most sunshine days is November (19.4 days).
The month with the least sunshine days is July (12.2 days).
Average UV index in May
Perryville, 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
Perryville, RI
- Average cloud cover in May: 44
The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Perryville, 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).
Perryville, Rhode Island, USA
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