Newport Beach Climate by Month
Newport Beach, California, United States
Mild all year, with little rain, mostly from December to March.
The climate in Newport Beach is mild all year, with little rain, mostly from December to March. Expect highs of 75°F (24°C) in September and 65°F (18°C) in February, with the coldest nights (January) near 48°F (9°C). It gets only 11 in (272 mm) of rain a year. May to September are almost completely dry.
- Warmest month
- 75°F(24°C)
- Average high, September
- Coldest nights
- 48°F(9°C)
- Average low, January
- Rain per year
- 11 in(272 mm)
- Wettest: February
- Humidity
- 65%
- Sunniest: July
Best and worst months in Newport Beach
Best for weatherThe most comfortable weather comes from July to September, with highs around 74°F (23°C) and almost no rain.
Least pleasantJanuary and February are the least pleasant; February is the coldest, with highs of only 65°F (18°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Newport Beach weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 65°F(19°C) | 48°F(9°C) | 2.2 in(56 mm) | 57% | 2.8 |
| FebFebruary | 65°F(18°C) | 49°F(10°C) | 2.6 in(65 mm) | 63% | 3.4 |
| MarMarch | 65°F(19°C) | 50°F(10°C) | 1.6 in(41 mm) | 67% | 4.8 |
| AprApril | 67°F(20°C) | 53°F(11°C) | 0.7 in(18 mm) | 63% | 6.0 |
| MayMay | 68°F(20°C) | 56°F(14°C) | 0.2 in(6 mm) | 74% | 6.2 |
| JunJune | 70°F(21°C) | 60°F(16°C) | 0.1 in(2 mm) | 71% | 6.5 |
| JulJulyBest | 73°F(23°C) | 63°F(17°C) | 0.0 in(1 mm) | 73% | 6.5 |
| AugAugustBest | 75°F(24°C) | 64°F(18°C) | 0.0 in(1 mm) | 74% | 6.4 |
| SepSeptemberBest | 75°F(24°C) | 62°F(17°C) | 0.2 in(4 mm) | 71% | 5.3 |
| OctOctober | 73°F(23°C) | 58°F(15°C) | 0.4 in(10 mm) | 60% | 4.0 |
| NovNovember | 70°F(21°C) | 52°F(11°C) | 0.8 in(20 mm) | 55% | 3.2 |
| DecDecember | 66°F(19°C) | 48°F(9°C) | 1.9 in(48 mm) | 57% | 2.6 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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