Cabo San Lucas Weather in August
What's the weather like in Cabo San Lucas (Baja California Sur) in August 2025?
The climate in Cabo San Lucas during August can be summarized as very hot and reasonably dry.
August is in the summer in Cabo San Lucas and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 33°C (91°F), whilst at night 23°C (74°F) is normal.
| Daytime temperature | 32.8°C 91°F |
|---|---|
| Nightly temperature | 23.2°C 73.8°F |
| Average temperature | 28°C 82.4°F |
| Daily sunshine | 7.1 hrs |
| Avg rainfall | 65 mm 2.6 ins |
| Rainy days | 4 days |
| Sea temperature | 28.8°C 83.8°F |
| Humidity | 69% |
| Windspeed | 8.3kph 5 mph |
On average August is the 2nd wettest month of the year in Cabo San Lucas with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.1 hours of sunshine per day.
August temperatures in Cabo San Lucas
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cabo San Lucas in August 2025.
Other monthly averages
Best places to visit in August
Cabo San Lucas weather stats
| Hottest month: | August | 32.6°C 90.7°F |
|---|---|---|
| Driest month: | May | 1mm 0ins |
| Sunniest month: | November | 8.1hrs |
| Coldest month: | February | 24.7°C 76.5°F |
| Wettest month: | September | 100mm 3.9ins |
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