Cabo San Lucas Weather in May
May in Cabo San Lucas typically sees daytime highs of 30°C (86°F) and nighttime lows of 20°C (68°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Cabo San Lucas in May
Clear skies and little rain are the norm this month. A great time to spend time outdoors. Past climate data indicates that roughly 0 days will see rain, totalling around 0.4 mm (0.02 in) for the month.
Temperature in Cabo San Lucas in May
May is one of the better months to visit Cabo San Lucas. Expect 30°C (86°F) during the day and 20°C (68°F) at night. It's usually most comfortable outside during the morning and later in the day. Nights remain mild at 20°C (68°F), making evenings a pleasant time to be outdoors.
Average water temperature in May
At 24°C (75°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you prefer dry days with pleasant temperatures, January, February, March, April and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Cabo San Lucas's climate page.
Cabo San Lucas Temperature in May
Daily Historical Temperatures
31-year average (1993-2025)
Based on our historical records, temperatures in Cabo San Lucas typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows typically ranging from 20°C (68°F) to 23°C (73°F).
Average temperatures in May
Historical weather for Cabo San Lucas in May
Browse day-by-day weather records for Cabo San Lucas spanning 36 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cabo San Lucas historical weather extremes in May
The extremes listed below come from historical weather data collected in Cabo San Lucas from 2006 through 2026.
- Cabo San Lucas recorded its highest May temperature of 38°C (100°F) on May 19, 2014.
- The coldest May day was on May 16, 2017, with a maximum of 22°C (72°F).
- The coldest night in May in Cabo San Lucas was on May 5, 2021, with a minimum of 13°C (55°F).
Best Places in Mexico in May
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in May →
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What to Wear in Cabo San Lucas in May
Warm temperatures in May make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. The water temperature sits at about 24°C (75°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Cabo San Lucas in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Mexico, check out our Cabo San Lucas's climate page.
Temperature Rainfall Water Temp
See the full Cabo San Lucas climate overview or explore weather in Mexico.