Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Newport Beach features a hot-summer Mediterranean climate (Csa). Temperatures typically range between 14 °C (57 °F) and 20 °C (69 °F) through the year, but rarely can drop to 8 °C (47 °F) or can rise to as high as 30 °C (87 °F). The average annual precipitation amounts to about 297 mm (11.7 inches) and receives 32 rainy days on the 1 mm (0.04 inches) threshold annually. Newport Beach enjoys an average of 3581 hours of sunshine throughout the year, and daylight varies from 9 hours 56 minutes to 14 hours 20 minutes per day.
The warmest months in Newport Beach are July, August and September, with daily mean temperatures ranging from 20 to 20 °C (68 - 69 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 14 to 14 °C (57 - 58 °F) throughout the day. On average each year, Newport Beach experiences 2 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 22°C (71°F) |
22°C (72°F) |
20°C (67°F) |
25°C (78°F) |
21°C (70°F) |
25°C (77°F) |
25°C (78°F) |
26°C (78°F) |
30°C (86°F) |
30°C (87°F) |
25°C (77°F) |
22°C (72°F) |
| Mean maximum | 20°C (68°F) |
19°C (67°F) |
19°C (66°F) |
22°C (71°F) |
19°C (67°F) |
21°C (69°F) |
23°C (74°F) |
24°C (75°F) |
25°C (77°F) |
26°C (80°F) |
24°C (75°F) |
20°C (68°F) |
| Average high | 16°C (61°F) |
15°C (60°F) |
16°C (60°F) |
16°C (62°F) |
17°C (62°F) |
18°C (65°F) |
21°C (69°F) |
21°C (71°F) |
21°C (70°F) |
21°C (70°F) |
19°C (66°F) |
16°C (62°F) |
| Daily mean | 14°C (58°F) |
14°C (57°F) |
14°C (58°F) |
15°C (60°F) |
16°C (61°F) |
17°C (64°F) |
20°C (68°F) |
20°C (69°F) |
20°C (69°F) |
19°C (67°F) |
17°C (63°F) |
15°C (59°F) |
| Average low | 13°C (55°F) |
12°C (55°F) |
13°C (56°F) |
14°C (58°F) |
15°C (59°F) |
16°C (62°F) |
19°C (66°F) |
19°C (67°F) |
19°C (67°F) |
18°C (65°F) |
16°C (60°F) |
13°C (56°F) |
| Mean minimum | 10°C (51°F) |
10°C (50°F) |
11°C (51°F) |
12°C (54°F) |
13°C (56°F) |
15°C (60°F) |
17°C (62°F) |
18°C (65°F) |
17°C (63°F) |
16°C (61°F) |
13°C (56°F) |
11°C (52°F) |
| Minimum | 10°C (50°F) |
8°C (47°F) |
9°C (49°F) |
11°C (53°F) |
12°C (53°F) |
14°C (58°F) |
16°C (62°F) |
17°C (63°F) |
17°C (62°F) |
14°C (58°F) |
10°C (50°F) |
10°C (51°F) |
Compare temperature, precipitation, sunshine, UV index in Newport Beach, California, United States with other places around the world.
Newport Beach usually has the most precipitation in January, March and December, with an average of 5 rainy days and 58 mm (2.3 inches) of precipitation per month. The driest months in Newport Beach are July, August and September. On average, 2 mm (0.1 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 57 (2.2) | 49 (1.9) | 50 (2.0) | 22 (0.9) | 12 (0.5) | 3 (0.1) | 2 (0.1) | 2 (0.1) | 3 (0.1) | 8 (0.3) | 21 (0.8) | 68 (2.7) |
| Average precipitation days (≥ 1 mm) | 4 | 6 | 8 | 3 | 2 | 0 | 0 | 0 | 0 | 2 | 2 | 5 |
The sunniest months in Newport Beach are June, July and August, when the sun shines an average of 12 hours 1 minutes a day. Least sunny months in Newport Beach: January, February and December receive an average of 7 hours 9 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 189 | 235 | 290 | 318 | 350 | 366 | 379 | 360 | 316 | 292 | 256 | 226 |
| Mean daily daylight hours | 10h 11m | 10h 59m | 11h 59m | 13h 2m | 13h 54m | 14h 20m | 14h 6m | 13h 19m | 12h 19m | 11h 17m | 10h 23m | 9h 56m |
Newport Beach experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure. January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Newport Beach UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 4 | 6 | 8 | 10 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Discover in-depth weather details for every month in Newport Beach. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Newport Beach's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.
Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.