Cabo San Lucas in August
In August, Cabo San Lucas averages 32°C (90°F) during the day and 27°C (80°F) at night, with frequent rain — about 16 days of the month see precipitation (103 mm total).
ShoulderConditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.
It's peak hurricane season in Cabo San Lucas during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How August compares to the rest of the year in Cabo San Lucas
August is one of the warmest months in Cabo San Lucas (2nd of 12) and one of the wettest months (1st of 12). Daytime temperature runs 3°C above the annual average (29°C). August runs roughly the same as July (32°C) and cools 1°C in September (31°C).
August sunrise & sunset in Cabo San Lucas
Times shown for Cabo San Lucas local time (America/Mazatlan), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Cabo San Lucas — August
Golden-hour and blue-hour windows for the 15th of August, in Cabo San Lucas's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Cabo San Lucas in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Shoulder) and Cabo San Lucas's popularity.
Crowds & pricing — August in Cabo San Lucas
Cabo San Lucas is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.
Why this tier: Northern Hemisphere summer holidays peak hazard season (1 active)
Sun & mosquito risk — August in Cabo San Lucas
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Cabo San Lucas — August
Across the year Cabo San Lucas's sea swings from 21°C (February) to 29.9°C (August) — August sits at 29.9°C.
Cabo San Lucas in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 26°C / 78°F | 17°C / 63°F | 6 mm | 2 | — |
| February | 26°C / 79°F | 17°C / 63°F | 7 mm | 2 | — |
| March | 27°C / 81°F | 19°C / 65°F | 1 mm | 1 | — |
| April | 29°C / 83°F | 20°C / 68°F | 0 mm | 0 | — |
| May | 30°C / 85°F | 21°C / 70°F | 1 mm | 1 | — |
| June | 31°C / 87°F | 24°C / 75°F | 20 mm | 3 | — |
| July | 32°C / 90°F | 27°C / 80°F | 22 mm | 8 | — |
| August | 32°C / 90°F | 27°C / 80°F | 103 mm | 16 | — |
| September | 31°C / 88°F | 26°C / 79°F | 102 mm | 16 | — |
| October | 31°C / 88°F | 24°C / 76°F | 33 mm | 6 | — |
| November | 29°C / 84°F | 22°C / 71°F | 15 mm | 3 | — |
| December | 26°C / 79°F | 18°C / 65°F | 3 mm | 3 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Cabo San Lucas in August →
Frequently asked questions
How hot is Cabo San Lucas in August?
In August, Cabo San Lucas averages a high of 32°C (90°F) and a low of 27°C (80°F) — generally hot.
Does it rain a lot in Cabo San Lucas in August?
August is quite rainy in Cabo San Lucas, with about 16 rainy days on average.
Is August a good time to visit Cabo San Lucas?
August is hot but on the rainy side. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Cabo San Lucas in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full August packing list for Cabo San Lucas for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.