Cabo San Lucas in May

In May, Cabo San Lucas averages 30°C (85°F) during the day and 21°C (70°F) at night, with only about 1 rainy day.

High season

Conditions are warm and beach-friendly. Skies are generally dry and clear.

May is a great month to visit Cabo San Lucas: pleasant temperatures and relatively few wet days.

30°C
Avg high
21°C
Avg low
1
Rain days
1 mm
Rainfall

How May compares to the rest of the year in Cabo San Lucas

6th
warmest month of the 12
11th
wettest month of the 12
0%
of yearly rainfall falls in May
13 h 14 min
daylight on the 15th

May is in the middle of the year for warmth in Cabo San Lucas (6th of 12) and one of the driest months (11th of 12). Daytime temperature matches the city's annual average. May runs 1°C warmer than April (29°C) and warms a further 1°C into June (31°C).

May sunrise & sunset in Cabo San Lucas

🌅
Sunrise (15th)
5:39 AM
🌇
Sunset (15th)
6:53 PM
Day length
13 h 14 min

Times shown for Cabo San Lucas local time (America/Mazatlan), calculated for the 15th of May. They shift by a few minutes day to day across the month.

Photography light in Cabo San Lucas — May

Golden-hour and blue-hour windows for the 15th of May, in Cabo San Lucas's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
4:39 AM – 5:19 AM
🌄 Golden hour (AM)
5:19 AM – 6:19 AM
🌇 Golden hour (PM)
6:13 PM – 7:13 PM
🌆 Blue hour (PM)
7:13 PM – 7:53 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Cabo San Lucas in May

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on May's tier (High season) and Cabo San Lucas's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — May in Cabo San Lucas

High season

This is a busy month in Cabo San Lucas — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: comfortable tourism weather beach-season conditions

Sun & mosquito risk — May in Cabo San Lucas

☀️ UV Index (noon, 15th)
13
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Sea temperature in Cabo San Lucas — May

22.3°C (72°F)
pleasant
warm enough for most swimmers without a wetsuit

Across the year Cabo San Lucas's sea swings from 21°C (February) to 29.9°C (August) — May sits at 22.3°C.

Cabo San Lucas in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 26°C / 78°F 17°C / 63°F 6 mm 2
February 26°C / 79°F 17°C / 63°F 7 mm 2
March 27°C / 81°F 19°C / 65°F 1 mm 1
April 29°C / 83°F 20°C / 68°F 0 mm 0
May 30°C / 85°F 21°C / 70°F 1 mm 1
June 31°C / 87°F 24°C / 75°F 20 mm 3
July 32°C / 90°F 27°C / 80°F 22 mm 8
August 32°C / 90°F 27°C / 80°F 103 mm 16
September 31°C / 88°F 26°C / 79°F 102 mm 16
October 31°C / 88°F 24°C / 76°F 33 mm 6
November 29°C / 84°F 22°C / 71°F 15 mm 3
December 26°C / 79°F 18°C / 65°F 3 mm 3

Other cities with similar May weather

🌍 See the full ranked list of climate twins for Cabo San Lucas in May →

Frequently asked questions

How hot is Cabo San Lucas in May?

In May, Cabo San Lucas averages a high of 30°C (85°F) and a low of 21°C (70°F) — generally hot.

Does it rain a lot in Cabo San Lucas in May?

May is generally dry in Cabo San Lucas, with about 1 rainy day on average.

Is May a good time to visit Cabo San Lucas?

May is hot and mostly dry. It suits travelers who are comfortable with hot weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Cabo San Lucas in May?

Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full May packing list for Cabo San Lucas for a complete, climate-based checklist.

Open Cabo San Lucas on the interactive map

Check the live 10-day forecast and sunrise/sunset.