Paso Robles in Summer
In summer (June, July and August), Paso Robles sees average daytime highs around 84°F and overnight lows near 59°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 79°F in early June to 85°F by late August. The sky is clear or mostly clear about 90% of the time across summer, and the air most often feels dry.
Summer is Paso Robles's 3rd-best season to visit on our travel score. For the whole year in context, see Paso Robles's year-round climate.
- Avg daytime high
- 84°F
- warmest season of the year
- Avg overnight low
- 59°F
- Rainfall
- 0.1 in
- 1 wet days
- Avg wind
- 4 mph
- Travel score
- 7.6
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Paso Robles in Summer
Over the season highs climb from about 79°F in early June to 85°F by late August.
A typical summer day in Paso Robles reaches about 84°F and drops to 59°F overnight. The warmest of the three months is August, the coolest June.
Paso Robles 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 | 59° / 40° | 3.1 | 6.9 | 9.9 | 5.0 |
| Feb | 61° / 41° | 3.1 | 7.6 | 10.7 | 5.3 |
| Mar | 65° / 44° | 2.4 | 6.2 | 11.7 | 6.6 |
| Apr | 69° / 46° | 0.9 | 3.4 | 12.9 | 7.8 |
| May | 76° / 51° | 0.4 | 1.6 | 13.9 | 8.9 |
| Jun | 82° / 56° | 0.1 | 0.3 | 14.4 | 8.4 |
| Jul | 85° / 60° | 0.0 | 0.1 | 14.2 | 7.3 |
| Aug | 85° / 60° | 0.0 | 0.2 | 13.3 | 7.2 |
| Sep | 82° / 57° | 0.1 | 0.5 | 12.2 | 8.3 |
| Oct | 75° / 52° | 0.6 | 1.8 | 11.1 | 8.9 |
| Nov | 65° / 44° | 1.0 | 3.2 | 10.1 | 7.2 |
| Dec | 59° / 39° | 2.3 | 6.1 | 9.6 | 5.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 90% of the time across summer.
Chance of precipitation in Summer
Paso Robles 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 dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 4 mph across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 12 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 8.0 kWh/m².
Is summer a good time to visit Paso Robles?
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 Paso Robles for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Paso Robles in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Paso Robles sees daytime highs around 84°F and nights near 59°F. Pack light clothes and sun protection.
Sea temperature near Paso Robles in Summer
The nearest coast averages about 58°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 mi away) is warmest in September at about 60°F and coldest in April near 54°F.
The water stays below 68°F all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 56 | 56 | 55 | 54 | 54 | 56 | 58 | 59 | 60 | 60 | 58 | 57 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 56 | Bracing |
| Feb | 56 | Bracing |
| Mar | 55 | Bracing |
| Apr | 54 | Bracing |
| May | 54 | Bracing |
| Jun | 56 | Bracing |
| Jul | 58 | Bracing |
| Aug | 59 | Cool |
| Sep | 60 | Cool |
| Oct | 60 | Cool |
| Nov | 58 | Bracing |
| Dec | 57 | Bracing |
UV index in Paso Robles 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 Paso Robles peaks around June 21 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 5 | 7 | 8 | 11 | 10 | 10 | 7 | 6 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 11 | Extreme |
| Jul | 10 | Extreme |
| Aug | 10 | Extreme |
| Sep | 7 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Paso Robles 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 Paso Robles is worst in August — around 18 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (June, 4 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) | 6 | 7 | 7 | 6 | 5 | 4 | 10 | 18 | 15 | 8 | 6 | 6 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 6 | Good |
| Feb | 7 | Good |
| Mar | 7 | Good |
| Apr | 6 | Good |
| May | 5 | Good |
| Jun | 4 | Good |
| Jul | 10 | Good |
| Aug | 18 | Moderate |
| Sep | 15 | Moderate |
| Oct | 8 | Good |
| Nov | 6 | Good |
| Dec | 6 | Good |
Where is Paso Robles?
Paso Robles sits at 35.6°N, 120.7°W, 732 ft above sea level, in United States. The nearest listed city is Atascadero, 9.3 mi away.
Topography around Paso Robles
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Paso Robles.
Within 2 miles, the terrain around Paso Robles has significant variations in elevation — a maximum elevation change of 876 ft around an average of 899 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,716 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,095 ft.
The land around Paso Robles is covered by grassland (42%) and artificial surfaces (37%) within 2 miles, grassland (71%) within 10 miles, and grassland (55%) and water (20%) 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 Paso Robles (35.6266°, -120.691°, elevation 732 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.