20-Year Climate Average
Cabo San Lucas, Baja California Sur, Mexico Weather in December
Normal High
79°F
Normal Low
66°F
Rainy Days
~2 of the month
Chance of Rain
5%
Humidity
60%
UV index
Not available
Daylight
10.8 hours
Peak wind
10 mph
Usually good for: walking and sightseeing, beaches and outdoor dining, outdoor events.
Based on December climate records from 2006–2025 (Open-Meteo Historical Weather Archive). These are planning averages, not a forecast. Data: Open-Meteo.com, CC BY 4.0.
Current conditions
Forecast versus the climate baseline
81°F
It currently feels like 92°F with 89% humidity, a 77°F dew point and 1 mph wind. Climate averages describe the month; this live reading is what matters for plans today.
87° / 76° · 77% rain
87° / 77° · 75% rain
90° / 78° · 90% rain
Best Months to Visit Cabo San Lucas, Baja California Sur, Mexico
Ranked by historical rainy-day frequency — the driest months over the past 20 years.
Methodology
Monthly values use the 2001–2020 observation period. Temperature, precipitation, humidity or dew point, wind, UV and daylight are shown only when the selected source provides them; unavailable fields are never estimated or silently replaced. These are planning normals, not guarantees for a specific trip.
What is the weather like in Cabo San Lucas, Baja California Sur, Mexico in December?
The 20-year average high in Cabo San Lucas, Baja California Sur, Mexico in December is 79°F, with a low around 66°F and about 2 rainy days.