May weather forecastNewport, RI
May
Weather in May
May marks the onset of pleasant weather conditions in Newport. As temperatures continue to rise, outdoor activities gain popularity. However, this month also witnesses a shift in precipitation from rainfall to relative humidity. Rainfall reduces to 2.09" (53mm), while humidity increases to 79%. The increasingly warm and humid conditions persist throughout the month.Temperature
Newport's transition into May brings a rise in the average high-temperature, moving from a cool 53.2°F (11.8°C) in April to a comfortable 62.6°F (17°C). An average low-temperature of 50.7°F (10.4°C) marks the month of May in Newport.Humidity
In Newport, the average relative humidity in May is 79%.Rainfall
In May, the rain falls for 14.8 days. Throughout May, 2.09" (53mm) of precipitation is accumulated. In Newport, during the entire year, the rain falls for 148.1 days and collects up to 29.65" (753mm) of precipitation.Snowfall
January through March, May, November and December are months with snowfall in Newport. May is the first month it typically snows. Throughout May, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. In Newport, during the entire year, snow falls for 22.9 days and aggregates up to 8.78" (223mm) of snow.Ocean temperature
In May, the average ocean temperature is 51.6°F (10.9°C).Note: If planning to swim in 51.6°F (10.9°C) under 50°F (10°C), wear a protective suit. Neglecting this advice might cause immediate cold shock and troubled breathing. A splash around 55.4°F (13°C) is not much warmer.
Daylight
In Newport, Rhode Island, the average length of the day in May is 14h and 32min.On the first day of May in Newport, sunrise is at 5:41 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 5:13 am and sunset at 8:12 pm EDT.
Sunshine
In Newport, the average sunshine in May is 8.5h.UV index
In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Newport, RI
- Average high temperature in May: 62.6°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in May: 50.7°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 (26.4°F).
Average pressure in May
Newport, 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
Newport, RI
- Average wind speed in May: 9.6mph
The windiest month (with the highest average wind speed) is January (12.1mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in May
Newport, RI
- Average humidity in May: 79%
The month with the highest relative humidity is June (81%).
The month with the lowest relative humidity is March (73%).
Average rainfall in May
Newport, RI
- Average rainfall in May: 2.09"
The wettest month (with the highest rainfall) is October (3.27").
The driest month (with the least rainfall) is September (1.42").
Average rainfall days in May
Newport, RI
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is April (15.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in May
Newport, RI
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (2.76").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in May
Newport, RI
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average sea temperature in May
Newport, RI
- Average sea temperature in May: 51.5°F
The best month for swimming (with the highest average sea temperature) is August (69.6°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).
Average daylight in May /
Average sunshine in May
Newport, RI
- Average daylight in May: 14h and 30min
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 30min
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
Newport, RI
- Average sunshine days in May: 14.9 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is April (12.3 days).
Average UV index in May
Newport, 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 and December (UV index 2).
Average cloud cover in May
Newport, 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 29).
Average visibility in May
Newport, 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).
