Measurements:
°C
°F
Cabo San Lucas
82°F
SE 6 mph
Feels like: 88°F
Precip: 26%
World Resorts Mexico Cabo San Lucas Weather

Cabo San Lucas Sea Water Temperature

Current Sea Water Temperature:
+92.8°F
Maximum Sea Water Temperature in August: 93.8°F
Minimum Sea Water Temperature in August: 82.6°F
Average water temperature in August: 88.3°F

Sea Water Temperature for the Last 10 Days:

August 19 92.8°F August 14 92.2°F
August 18 93.8°F August 13 92.0°F
August 17 93.6°F August 12 92.0°F
August 16 93.0°F August 11 91.4°F
August 15 92.2°F August 10 91.4°F

When is the Warmest Sea for Cabo San Lucas?

According to our data for the last three years for Cabo San Lucas the highest average sea water temperature was in September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Cabo San Lucas was 90.4°F. The maximum and minimum values were 88.6°F and 91.8°F respectively.

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Cabo San Lucas was 89.2°F. The maximum and minimum values were 86.2°F and 91.2°F respectively.

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Cabo San Lucas was 91.2°F. The maximum and minimum values were 89.0°F and 93.8°F respectively.

Best Time to Visit Cabo San Lucas
The most sunny months:
May 29 days
March 26 days
April 26 days
The most warm months:
August 92.5 °F
September 91.4 °F
July 91.2 °F
Warmest sea temperature:
September 88.8 °F
October 88.6 °F
August 88.2 °F
The most cold months:
February 77.5 °F
January 77.7 °F
March 79.7 °F
The most rainy months:
September 4 days
August 3 days
October 2 days
The most windy months:
June 10 mph
May 9 mph
July 9 mph

Cabo San Lucas on the Weather Map

24 Hours Weather Forecast
Cabo San Lucas
Local time: 02:03
19 aug, wednesday
0300 82°F
SE
6 mph
0600 80°F
SE
6 mph
0900 88°F
SE
2 mph
1200 94°F
E
9 mph
1500 88°F
E
11 mph
1800 84°F
SE
9 mph
2100 80°F
SE
7 mph
20 aug, thursday
0000 82°F
SE
8 mph