Cabo San Lucas weather in August

In August, Cabo San Lucas sees average daytime highs of 30°C and overnight lows near 26°C, with 65 mm of rain across 9.1 wet days and about 12.8 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 46% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of August to 12 h 30 min by month's end. Set against the rest of the year, August is Cabo San Lucas's 12th-clearest and 7th-windiest month. For the whole year in context, see Cabo San Lucas's year-round climate.

Daytime high
30°
1st warmest
Overnight low
26°
12th coldest
Rainfall
65 mm
9.1 wet days
Daylight
12 h 48 min
6:00 AM – 6:48 PM
Cloud cover
49%
12th clearest
Wind
13 km/h
7th windiest
Solar energy
6.6 kWh/m²
Travel score
5.4
out of 10

Cabo San Lucas is town in Los Cabos Municipality, State of Baja California Sur, Mexico.

Founded
1828

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Cabo San Lucas reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, August runs about 1°C warmer than July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
252926
262926
272926
282926
292926
302926
312926

How August really feels in Cabo San Lucas

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Cabo San Lucas weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan23° / 18°81.310.88.6
Feb23° / 17°90.911.28.7
Mar24° / 18°10.311.89.0
Apr24° / 18°00.112.59.0
May25° / 20°00.213.19.1
Jun27° / 21°50.613.48.9
Jul29° / 24°193.713.36.8
Aug30° / 26°659.112.85.4
Sep29° / 25°12410.512.15.5
Oct29° / 24°24311.57.1
Nov27° / 22°161.810.98.4
Dec24° / 19°100.910.68.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 46% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36832
46634
56634
66535
76535
86436
96436
106337
116139
126238
136139
146040
155941
165941
175842
185743
195743
205743
215644
225644
235644
245644
255545
265545
275446
285347
295347
305347
315347

Chance of precipitation in August

Any precipitation

Cabo San Lucas gets around 65 mm of rain over 9.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
118
218
319
419
520
620
721
822
923
1024
1125
1226
1327
1428
1529
1630
1731
1833
1934
2035
2136
2237
2337
2438
2539
2640
2741
2841
2942
3042
3143

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 69% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1225649
2224659
32246410
42236510
51226710
61216810
71206811
81196911
91187011
101177012
111167013
120157213
130137314
140127216
150117217
160107218
17097120
18087121
19077122
20077023
21067024
22057025
23047026
24046927
25046927
26036928
27036829
28036829
29036730
30026830
31026731

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 13 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 06 min at the start of August to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over August. Sunrise moves from 5:54 AM to 6:05 AM, and sunset from 6:58 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:546:58
213.05:546:57
313.05:556:57
413.05:556:56
513.05:556:55
613.05:566:55
713.05:566:54
812.95:576:53
912.95:576:53
1012.95:576:52
1112.95:586:51
1212.95:586:51
1312.95:596:50
1412.85:596:49
1512.85:596:48
1612.86:006:48
1712.86:006:47
1812.86:016:46
1912.76:016:45
2012.76:016:44
2112.76:026:44
2212.76:026:43
2312.76:026:42
2412.66:036:41
2512.66:036:40
2612.66:036:39
2712.66:046:38
2812.66:046:37
2912.56:046:36
3012.56:056:35
3112.56:056:34

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.6 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 7.9 kWh/m² in May across the year — August's 6.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
17.0Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.7Intense
116.7Intense
126.7Intense
136.7Intense
146.6Intense
156.6Intense
166.6Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.4Intense
226.4Intense
236.4Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.2Intense
296.2Intense
306.2Intense
316.1Intense
Planning a trip in August

Hazard calendar for Cabo San Lucas

In seasonPeak

In August, Cabo San Lucas sits inside 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.

Pacific hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Cabo San Lucas?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.4
Sightseeing
12th-best month of the year
7.2
Beach & pool
10th-best month of the year

August is a reasonable time to visit Cabo San Lucas for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Cabo San Lucas in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Cabo San Lucas sees daytime highs around 30°C and nights near 26°C. Pack light clothes and sun protection. Worth having: rain gear. About 9 days see rain.

light clothessun protectionrain gear

Sea temperature near Cabo San Lucas in August

The nearest coast averages about 28°C in August — 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.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb22Refreshing
Mar22Refreshing
Apr21Refreshing
May22Refreshing
Jun23Refreshing
Jul26Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov27Warm
Dec25Warm

UV index in Cabo San Lucas in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighMay 14UV 12Dec 22UV 6
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov7High
Dec6High
Location & terrain

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.

Ciudad ConstituciónNavolatoLicenciado Benito JuárezCosta Rica

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.

3 km
246 m
16 km
958 m
80 km
2,062 m
treesshrubsgrasslandartificial surfacesbare terrainwater
August weather nearby: Colonia del Sol 3.0 km · San José del Cabo 28 km · Todos Santos 70 km · La Paz 145 km · Ciudad Constitución 297 km · Navolato 307 km · Licenciado Benito Juárez 311 km · Costa Rica 319 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
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).