Cabo San Lucas in Summer
In summer (June, July and August), Cabo San Lucas sees average daytime highs around 28°C and overnight lows near 24°C, with 89 mm of rain over about 13 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.
Over the season highs climb from about 26°C in early June to 29°C by late August. The sky is clear or mostly clear about 63% of the time across summer, and the air most often feels oppressive.
Summer is Cabo San Lucas's 3rd-best season to visit on our travel score. For the whole year in context, see Cabo San Lucas's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 24°C
- Rainfall
- 89 mm
- 13 wet days
- Avg wind
- 14 km/h
- Travel score
- 7.0
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Cabo San Lucas in Summer
Over the season highs climb from about 26°C in early June to 29°C by late August.
A typical summer day in Cabo San Lucas reaches about 28°C and drops to 24°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Cabo San Lucas
Once humidity and wind are folded in, summer brings about 40 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Cabo San Lucas 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 (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 23° / 18° | 8 | 1.3 | 10.8 | 8.6 |
| Feb | 23° / 17° | 9 | 0.9 | 11.2 | 8.7 |
| Mar | 24° / 18° | 1 | 0.3 | 11.8 | 9.0 |
| Apr | 24° / 18° | 0 | 0.1 | 12.5 | 9.0 |
| May | 25° / 20° | 0 | 0.2 | 13.1 | 9.1 |
| Jun | 27° / 21° | 5 | 0.6 | 13.4 | 8.9 |
| Jul | 29° / 24° | 19 | 3.7 | 13.3 | 6.8 |
| Aug | 30° / 26° | 65 | 9.1 | 12.8 | 5.4 |
| Sep | 29° / 25° | 124 | 10.5 | 12.1 | 5.5 |
| Oct | 29° / 24° | 24 | 3 | 11.5 | 7.1 |
| Nov | 27° / 22° | 16 | 1.8 | 10.9 | 8.4 |
| Dec | 24° / 19° | 10 | 0.9 | 10.6 | 8.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 63% of the time across summer.
Chance of precipitation in Summer
Cabo San Lucas gets around 89 mm of rain over 13 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 13 h 18 min in early June to 12 h 30 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 7.1 kWh/m².
Hazard calendar for Cabo San Lucas
In summer, Cabo San Lucas overlaps its pacific hurricane season. The full year is below, with each hazard's peak months called out.
Cabo San Lucas sits in the eastern Pacific hurricane zone; the season peaks August–September.
Is summer a good time to visit Cabo San Lucas?
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 Cabo San Lucas for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Cabo San Lucas in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Cabo San Lucas sees daytime highs around 28°C and nights near 24°C. Pack light clothes and sun protection. Worth having: rain gear. About 13 days see rain.
Sea temperature near Cabo San Lucas in Summer
The nearest coast averages about 26°C 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 September at about 29°C and coldest in April near 21°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 23 | 22 | 22 | 21 | 22 | 23 | 26 | 28 | 29 | 29 | 27 | 25 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Tropical | Tropical | Tropical | Warm | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 23 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 21 | Refreshing |
| May | 22 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 26 | Warm |
| Aug | 28 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 27 | Warm |
| Dec | 25 | Warm |
UV index in Cabo San Lucas in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Cabo San Lucas peaks around May 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 6 (high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 6 | 8 | 10 | 12 | 12 | 11 | 12 | 12 | 11 | 9 | 7 | 6 |
| Level | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 8 | Very high |
| Mar | 10 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 11 | Extreme |
| Oct | 9 | Very high |
| Nov | 7 | High |
| Dec | 6 | High |
Where is Cabo San Lucas?
Cabo San Lucas sits at 22.9°N, 109.9°W, 11 m above sea level, in Mexico. The nearest listed city is Colonia del Sol, 3.0 km away.
Topography around Cabo San Lucas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Cabo San Lucas.
Within 3 km, the terrain around Cabo San Lucas has only modest variations in elevation — a maximum elevation change of 246 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 958 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,062 m.
The land around Cabo San Lucas is covered by artificial surfaces (33%), water (28%) and shrubs (23%) within 3 km, water (57%) and shrubs (35%) within 16 km, and water (57%) and shrubs (37%) within 80 km.
Mexico travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 / 127 V · 60 Hz
- Prices
- ≈ 54% of US
- price level, 2025
- GDP per capita
- $13,889
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 43%
- of population, 2024
- Homicide rate
- 24.9
- per 100k, 2023
- Road deaths
- 12.8
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Very low
- EF EPI 440
- 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 Cabo San Lucas (22.8909°, -109.9124°, elevation 11 m), 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.