20-Year Climate Average
Cabo San Lucas, Baja California Sur, Mexico Weather in August
Normal High
89°F
Normal Low
80°F
Rainy Days
~12 of the month
Chance of Rain
40%
Humidity
71%
UV index
Not available
Daylight
12.9 hours
Peak wind
12 mph
Usually good for: beaches and outdoor dining.
Based on August climate records from 2006–2025 (Open-Meteo Historical Weather Archive). These are planning averages, not a forecast. Data: Open-Meteo.com, CC BY 4.0.
Current conditions
Forecast versus the climate baseline
85°F
It currently feels like 96°F with 77% humidity, a 77°F dew point and 5 mph wind. Climate averages describe the month; this live reading is what matters for plans today.
87° / 76° · 77% rain
89° / 77° · 75% rain
91° / 78° · 90% rain
Best Months to Visit Cabo San Lucas, Baja California Sur, Mexico
Ranked by historical rainy-day frequency — the driest months over the past 20 years.
Methodology
Monthly values use the 2001–2020 observation period. Temperature, precipitation, humidity or dew point, wind, UV and daylight are shown only when the selected source provides them; unavailable fields are never estimated or silently replaced. These are planning normals, not guarantees for a specific trip.
What is the weather like in Cabo San Lucas, Baja California Sur, Mexico in August?
The 20-year average high in Cabo San Lucas, Baja California Sur, Mexico in August is 89°F, with a low around 80°F and about 12 rainy days.