Cabo San Lucas Seasonal temperature break down - The average median temperature March through May is approximately 75°F with highs averaging at 80°F and lows averaging at 66°F. June through August has an approximate average median temperature of 84°F with highs averaging at 88°F, lows typically average at 77°F. Average median temperatures September through November average out at 79°F, high temperatures average out at 83°F and lows average at 73°F.
The average median temperature December through February is approximately 70°F with highs averaging at 75°F, lows average out at 61°F.
The average Cabo San Lucas annual median temperature averages out at approximately 77°F. The coldest month in Cabo San Lucas is February with a median temperature of 69°F, the average high for the month of February is 75°F with an average low of 60.8°F. The hottest month in Cabo San Lucas is August with an approximate median temperature of 85°F, the average high for the month of August is 89°F with an average low of 79°F.