Newport Beach
California, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Newport Beach, CA

A bird
A bird's eye view of the stunning coastal village of Corona Del Mar, in Newport Beach, California, with cruise boats on the clear blue waters and beaches around the village
May, the last month of the spring, in Newport Beach, is another comfortable month, with average temperature ranging between max 65.8°F (18.8°C) and min 58.3°F (14.6°C).

Temperature

In Newport Beach, the average high-temperature is practically the same as in April - a still comfortable 65.8°F (18.8°C). In Newport Beach, in May, the average low-temperature is 58.3°F (14.6°C).

Rainfall

In Newport Beach, in May, during 1 rainfall days, 0.1" (3.3mm) of precipitation is typically accumulated. In Newport Beach, during the entire year, the rain falls for 32 days and collects up to 10.6" (269.8mm) of precipitation.

Ocean temperature

In Newport Beach, the average seawater temperature is 62.2°F (16.8°C). For swimming, a surface water temperature of 62.2°F (16.8°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

In Newport Beach, the average length of the day is 13.9h.

Sunshine

In Newport Beach, the average sunshine in May is 9h.

UV index

In May, the average daily maximum UV index in Newport Beach is 9. A UV Index of 8 to 10 symbolizes a very high health risk from the exposure to the Sun's UV rays for the ordinary person.
The average daily UV index of 9 in May transform into the following instructions:
Take special precautions, as unprotected skin can be damaged and can burn quickly. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Newport Beach?

In Newport Beach, in May, the average high-temperature is 65.8°F (18.8°C), and the average low-temperature is 58.3°F (14.6°C).

How many days does it rain in May in Newport Beach?

In Newport Beach, in May, during 1 rainfall days, 0.1" (3.3mm) of precipitation is typically accumulated.

What is the ocean temperature in May in Newport Beach?

In May, the average ocean temperature in Newport Beach, California, is 62.2°F (16.8°C). For most, swimming in 62.2°F (16.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

How many hours of daylight does Newport Beach have in May?

The average length of the day in May is 13.9h.

How many hours of sunshine does Newport Beach have in May?

In Newport Beach, California, the average sunshine in May is 9h.

What is the UV index reading in May in Newport Beach?

In Newport Beach, California, the average daily maximum UV index in May is 9. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Newport Beach, CA
  • Average high temperature in May: 65.8°F

The warmest month (with the highest average high temperature) is August (72.2°F).
The month with the lowest average high temperature is March (62.7°F).

  • Average low temperature in May: 58.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (49.3°F).

Average rainfall in May - Newport Beach, CA
  • Average rainfall in May: 0.1"

The wettest month (with the highest rainfall) is February (2.6").
Driest months (with the lowest rainfall) are July and August (0").

Average rainfall days in May - Newport Beach, CA
  • Average rainfall days in May: 1 days

The month with the highest number of rainy days is March (6 days).
Months with the lowest number of rainy days are June, July and August (0 days).

Average sea temperature in May - Newport Beach, CA
  • Average sea temperature in May: 62.2°F

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: 13.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 10h).

  • Average sunshine in May: 9h

Months with most sunshine are July and August (Average sunshine: 11h).
Months with least sunshine are January, November and December (Average sunshine: 7).

Average UV index in May - Newport Beach, CA
  • Average UV index in May: 9

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).