Newport Beach Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in Newport Beach, California during each month of the year.

The average high and low temperatures are listed below in both degrees Fahrenheit and Celsius for Newport Beach on the southern California coast, near Huntington and Laguna beaches.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70 or 80 °F monthly and annually at Newport Beach, scroll down farther. There are also counts of nights with cool temperatures.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1981 to 2010 weather.

10-year temperature averages for Newport Beach, 2010 to 2019
High °F Low °F   High °C Low °C
64 51 January 18 11
63 51 February 17 11
64 54 March 18 12
65 56 April 18 13
66 59 May 19 15
68 62 June 20 16
72 65 July 22 18
73 66 August 23 19
75 65 September 24 19
73 61 October 23 16
69 55 November 20 13
64 51 December 18 11
69 58 Year 20 15
30-year temperature averages for Newport Beach, 1981 to 2010
High °F Low °F   High °C Low °C
63 50 January 17 10
63 51 February 17 10
63 52 March 17 11
64 55 April 18 13
66 58 May 19 15
68 61 June 20 16
71 64 July 22 18
72 65 August 22 18
72 64 September 22 18
70 60 October 21 15
67 54 November 20 12
63 49 December 17 10
67 57 Year 19 14

Days of Hot Weather in Newport Beach

Summers are mild at Newport Beach, when most days have highs in the 70s Fahrenheit. During any month though, the temperature can climb to 80 degrees, but on average it only gets that hot ten days a year. Just once every couple of years, a day here heats up to 90 °F.

Days per month in Newport Beach of at least 70 or 80 °F
  70 °F
21 °C
80 °F
27 °C
January 4 1
February 3 0
March 3 0
April 4 1
May 5 0
June 7 0
July 17 1
August 20 1
September 18 2
October 13 2
November 8 1
December 3 0
Year 104 10

How Often Newport Beach Has Cool Temperatures

Even winter weather is mild at Newport Beach. Freezing temperatures are simply not normal here on the Pacific coast. A cold night is when the thermometer drops below 40 °F, which typically happens just twice a year.

Days per month on average in Newport Beach when the minimum temperature drops to at least 40 or 50 °F
  40 °F
4 °C
50 °F
10 °C
January 1 16
February 0 12
March 0 8
April 0 3
May 0 0
June 0 0
July 0 0
August 0 0
September 0 0
October 0 0
November 0 6
December 1 17
Year 2 64
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information. 1981-2010 U.S. Climate Normals. (Data Access. FTP.)

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