Cabo San Lucas Weather in December
December in Cabo San Lucas typically sees daytime highs of 27°C (81°F) and nighttime lows of 20°C (68°F). Minimal rainfall is typical for this month.
Rainfall in Cabo San Lucas in December
The climate data from previous years indicates about 2 days of rain, averaging 11 mm (0.4 in) for the month. On the rare occasion it rains, expect a brief, moderate shower rather than a heavy downpour.
Temperature in Cabo San Lucas in December
December is one of the better months to visit Cabo San Lucas. Expect 27°C (81°F) during the day and 20°C (68°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are mild at around 20°C (68°F), which is comfortable for most people.
Average water temperature in December
With water at 24°C (75°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Cabo San Lucas.
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 December
Min Temperature
20°C (68°F)
Max Temperature
27°C (81°F)
Water Temperature
24°C (75°F)
Chance of Rain
5%
Precipitation
11 mm (0.4 in)
Rainy days
2 days
Historical weather for Cabo San Lucas in December
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 December
Based on weather observations in Cabo San Lucas between 2005 and 2025, these are the recorded extremes during December.
- On December 3, 2022, temperatures climbed to 34°C (93°F), marking the warmest December day on record.
- On December 31, 2020, Cabo San Lucas saw its coldest December day with temperatures maxing out at 20°C (68°F).
- The coldest night in December in Cabo San Lucas was on December 31, 2020, with a minimum of 8°C (46°F).
Best Places in Mexico in December
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico in December →
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What to Wear in Cabo San Lucas in December
Warm weather calls for comfortable, breathable clothing in December. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. 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 December
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.
