Measurements:
°C
°F
Cabo San Lucas
84°F
E 7 mph
Feels like: 86°F
Precip: 0%
World Resorts Mexico Cabo San Lucas Weather

Cabo San Lucas Sea Water Temperature

Current Sea Water Temperature:
+81.4°F
Maximum Sea Water Temperature in December: 85.6°F
Minimum Sea Water Temperature in December: 74.6°F
Average water temperature in December: 80.7°F

Sea Water Temperature for the Last 10 Days:

December 13 81.4°F December 08 81.0°F
December 12 80.4°F December 07 82.0°F
December 11 81.8°F December 06 81.2°F
December 10 81.4°F December 05 81.4°F
December 09 81.4°F December 04 81.6°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: 2025 2024 2023

The average sea surface temperature in August 2025 for Cabo San Lucas was 88.8°F. The maximum and minimum values were 86.8°F and 91.2°F respectively.

Best Time to Visit Cabo San Lucas
The most sunny months:
May 28 days
March 26 days
April 26 days
The most warm months:
August 92.5 °F
September 91.4 °F
July 91.3 °F
Warmest sea temperature:
September 88.8 °F
October 88.6 °F
August 88.2 °F
The most cold months:
February 77.3 °F
January 77.6 °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: 15:35
13 dec, saturday
1800 76°F
SE
9 mph
2100 70°F
S
9 mph
14 dec, sunday
0000 68°F
S
6 mph
0300 66°F
SE
6 mph
0600 66°F
S
6 mph
0900 72°F
SW
2 mph
1200 80°F
NW
1 mph
1500 80°F
E
6 mph