May weather forecastNewport Beach, CA
May
Weather in May
May in Newport Beach is a harbinger of summer, with the mercury registering a high of 67.6°F (19.8°C) and a low of 56.8°F (13.8°C). Rainfall recedes significantly to just 0.12" (3mm), presenting a drier environment under predominantly clear skies. This month invites residents and tourists to embrace the outdoors, given the abundance of sunlight. Sea temperatures are on the rise, making beach trips particularly enticing. All in all, the near-perfect combination of mild temperatures, less rain and ample sunshine makes May a delightful month.Temperature
May's arrival registers an average high-temperature of a still refreshing 67.6°F (19.8°C), closely aligning with the temperature of the previous month. During May, the nighttime temperature averages of 56.8°F (13.8°C).Humidity
In Newport Beach, the average relative humidity in May is 72%.Rainfall
In Newport Beach, in May, during 3.4 rainfall days, 0.12" (3mm) of precipitation is typically accumulated. Throughout the year, there are 50.7 rainfall days, and 3.74" (95mm) of precipitation is accumulated.Ocean temperature
In Newport Beach, the average seawater temperature in May is 62.2°F (16.8°C).Note: The majority of individuals find swimming in 62.2°F (16.8°C) to be unenjoyable. The difficulty in controlling breathing rises as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Newport Beach, the average length of the day in May is 13h and 55min.On the first day of May, sunrise is at 6:02 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 5:42 am and sunset at 7:56 pm PDT.
Sunshine
The average sunshine in May is 11h.UV index
In Newport Beach, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Newport Beach, CA
- Average high temperature in May: 67.6°F
The warmest month (with the highest average high temperature) is August (76.6°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (52.3°F).
Average pressure in May
Newport Beach, CA
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.89"Hg).
Average wind speed in May
Newport Beach, CA
- Average wind speed in May: 6.5mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is October (5.2mph).
Average humidity in May
Newport Beach, CA
- Average humidity in May: 72%
The month with the highest relative humidity is June (74%).
The month with the lowest relative humidity is November (59%).
Average rainfall in May
Newport Beach, CA
- Average rainfall in May: 0.12"
The wettest month (with the highest rainfall) is December (0.79").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in May
Newport Beach, CA
- Average rainfall days in May: 3.4 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1.6 days).
Average sea temperature in May
Newport Beach, CA
- Average sea temperature in May: 62.2°F
The best months for swimming (with the highest average sea temperature) are July and August (67.7°F).
The coldest month (with the lowest average sea temperature) is January (58.5°F).
Average daylight in May /
Average sunshine in May
Newport Beach, CA
- Average daylight in May: 13h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in May: 11h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in May
Newport Beach, CA
- Average sunshine days in May: 23.4 days
The month with the most sunshine days is June (26.5 days).
The month with the least sunshine days is February (20.5 days).
Average UV index in May
Newport Beach, CA
- Average UV index in May: 5
The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in May
Newport Beach, CA
- Average cloud cover in May: 21
The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in May
Newport Beach, CA
- 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).
