May weather forecastNewport, WA
May
Weather in May
May, the last month of the spring in Newport, is an enjoyable month, with an average temperature varying between 38.8°F (3.8°C) and 63.9°F (17.7°C).Temperature
The shift from April to May brings an increase in the average high-temperature, moving from a cool 52.2°F (11.2°C) to a refreshing 63.9°F (17.7°C). Throughout the month of May, Newport observes a dramatic downturn from the daytime peak temperatures, expecting an average low of 38.8°F (3.8°C).Humidity
The average relative humidity in May is 67%.Rainfall
In Newport, in May, during 13.9 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Newport, during the entire year, the rain falls for 125.5 days and collects up to 19.92" (506mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Newport. During 0.4 snowfall days, in May, Newport aggregates 0.24" (6mm) of snow. Throughout the year, there are 81.4 snowfall days, and 58.11" (1476mm) of snow is accumulated.Daylight
In May, the average length of the day is 15h and 14min.On the first day of the month, sunrise is at 5:27 am and sunset at 8:02 pm. On the last day of May, sunrise is at 4:52 am and sunset at 8:39 pm PDT.
Sunshine
In Newport, the average sunshine in May is 10.3h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during May translates into the following guidance:
Adopt protective measures - Suggestions to resist sunburn are offered. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. 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 May
Newport, WA
- Average high temperature in May: 63.9°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in May: 38.8°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in May
Newport, WA
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in May
Newport, WA
- Average wind speed in May: 4.5mph
The windiest month (with the highest average wind speed) is April (4.7mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).
Average humidity in May
Newport, WA
- Average humidity in May: 67%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (49%).
Average rainfall in May
Newport, WA
- Average rainfall in May: 1.89"
The wettest month (with the highest rainfall) is January (2.64").
The driest month (with the least rainfall) is August (0.43").
Average rainfall days in May
Newport, WA
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is April (16.7 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in May
Newport, WA
- Average snowfall in May: 0.24"
The month with the highest snowfall is January (16.26").
The months with the least snowfall are June, July and August (0").
Average snowfall days in May
Newport, WA
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is December (17.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Newport, WA
- Average daylight in May: 15h and 12min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in May: 10h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in May
Newport, WA
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is July (23.1 days).
The month with the least sunshine days is March (9.2 days).
Average UV index in May
Newport, WA
- Average UV index in May: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 1).
Average cloud cover in May
Newport, WA
- Average cloud cover in May: 35
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 14).
Average visibility in May
Newport, WA
- Average visibility in May: 6mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).





