Newport Beach, CA

Climate overview — based on NOAA 1991-2020 normals from NEWPORT BEACH HARBOR, CA US.

BSk Semi-arid (cold) climate 10a USDA hardiness Zone 10a

Year-round temperatures (°F)

40° 50° 60° 70° 80° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Newport Beach has an annual average temperature of 62.8°F with about 9.4 inches of precipitation per year. The warmest month is September (average high 74.1°F), and the coldest is December (average low 49.8°F). February is typically the wettest month (2.38 in) and August the driest (0.00 in).

Pleasant months
8 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
12.4°F
warmest to coldest month
Heating need
1,206
Cooling need
396

Best time to visit Newport Beach

Full guide →

Climate change signal

All-time records →

39 of 366 (10.7%) of Newport Beach's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1920s
34
1930s
46
1940s
28
1950s
39
1960s
26
1970s
25
1980s
40
1990s
46
2000s
32
2010s
29
2020s
21

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 64.5°F 50.4°F 57.4°F 2.20 in 6
February 63.3°F 51.0°F 57.2°F 2.38 in 7
March 64.7°F 53.1°F 58.9°F 1.34 in 5
April 65.9°F 55.1°F 60.5°F 0.55 in 3
May 66.7°F 58.3°F 62.5°F 0.18 in 2
June 68.4°F 61.5°F 64.9°F 0.07 in 1
July 71.8°F 64.6°F 68.2°F 0.02 in 1
August 73.3°F 65.5°F 69.4°F 0.00 in 0
September 74.1°F 64.1°F 69.1°F 0.10 in 1
October 72.7°F 60.2°F 66.5°F 0.33 in 2
November 68.4°F 54.5°F 61.4°F 0.64 in 3
December 64.1°F 49.8°F 57.0°F 1.62 in 6

Climate twins of Newport Beach

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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