Newport Beach in Summer
In summer (June, July and August), Newport Beach sees average daytime highs around 67°F and overnight lows near 64°F, with 0.1 in of rain over about 1 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 63°F in early June to 70°F by late August. The sky is clear or mostly clear about 75% of the time across summer, and the air most often feels humid.
Summer is Newport Beach's best season of the year to visit on our travel score. Newport Beach has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Newport Beach's year-round climate.
- Avg daytime high
- 67°F
- warmest season of the year
- Avg overnight low
- 64°F
- Rainfall
- 0.1 in
- 1 wet days
- Avg wind
- 7 mph
- Travel score
- 8.3
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Newport Beach in Summer
Over the season highs climb from about 63°F in early June to 70°F by late August.
A typical summer day in Newport Beach reaches about 67°F and drops to 64°F overnight. The warmest of the three months is August, the coolest June.
Newport Beach weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 60° / 54° | 2.6 | 5.4 | 10 | 5.4 |
| Feb | 59° / 54° | 2.8 | 6.1 | 10.8 | 5.2 |
| Mar | 60° / 55° | 1.6 | 5 | 11.7 | 5.5 |
| Apr | 61° / 57° | 0.6 | 2.2 | 12.8 | 6.2 |
| May | 62° / 59° | 0.3 | 1.4 | 13.7 | 6.8 |
| Jun | 65° / 61° | 0.0 | 0.2 | 14.2 | 7.8 |
| Jul | 68° / 65° | 0.0 | 0.3 | 14 | 8.4 |
| Aug | 69° / 66° | 0.0 | 0.1 | 13.2 | 8.8 |
| Sep | 69° / 65° | 0.1 | 0.5 | 12.2 | 8.6 |
| Oct | 67° / 63° | 0.5 | 1.9 | 11.2 | 8.0 |
| Nov | 64° / 59° | 0.7 | 2.5 | 10.3 | 7.2 |
| Dec | 60° / 55° | 1.9 | 4.9 | 9.8 | 5.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 75% of the time across summer.
Chance of precipitation in Summer
Newport Beach gets around 0.1 in of rain over 1 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 7.6 kWh/m².
Is summer a good time to visit Newport Beach?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Newport Beach for general sightseeing.
What to pack for Newport Beach in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Newport Beach sees daytime highs around 67°F and nights near 64°F. Pack sun protection.
Sea temperature near Newport Beach in Summer
The nearest coast averages about 68°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 69°F and coldest in February near 59°F.
It's comfortable for a long swim from Jul 13 to Sep 28 — about 2.6 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 59 | 59 | 59 | 60 | 63 | 65 | 68 | 69 | 69 | 67 | 64 | 60 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 59 | Cool |
| Feb | 59 | Cool |
| Mar | 59 | Cool |
| Apr | 60 | Cool |
| May | 63 | Cool |
| Jun | 65 | Cool |
| Jul | 68 | Refreshing |
| Aug | 69 | Refreshing |
| Sep | 69 | Refreshing |
| Oct | 67 | Cool |
| Nov | 64 | Cool |
| Dec | 60 | Cool |
UV index in Newport Beach in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Newport Beach peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 5 | 5 | 7 | 8 | 10 | 10 | 10 | 8 | 6 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Newport Beach in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Newport Beach is worst in September — around 49 µg/m³ PM2.5 (poor), about 4.0× the cleanest month (May, 12 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 19 | 19 | 17 | 12 | 17 | 19 | 32 | 49 | 21 | 21 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 19 | Moderate |
| Apr | 17 | Moderate |
| May | 12 | Moderate |
| Jun | 17 | Moderate |
| Jul | 19 | Moderate |
| Aug | 32 | Moderate |
| Sep | 49 | Poor |
| Oct | 21 | Moderate |
| Nov | 21 | Moderate |
| Dec | 18 | Moderate |
Where is Newport Beach?
Newport Beach sits at 33.6°N, 117.9°W, 10 ft above sea level, in United States. The nearest listed city is Costa Mesa, 1.9 mi away.
Topography around Newport Beach
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Newport Beach.
Within 2 miles, the terrain around Newport Beach has only modest variations in elevation — a maximum elevation change of 125 ft around an average of 36 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,168 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 10,013 ft.
The land around Newport Beach is covered by artificial surfaces (44%) and water (44%) within 2 miles, water (51%) and artificial surfaces (34%) within 10 miles, and water (44%) and artificial surfaces (25%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Newport Beach (33.6189°, -117.929°, elevation 10 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.