Climate averages 1991–2020
Cabo San Lucas weather
in December.
A warm, very dry month: the 9th warmest and the 7th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Cabo San Lucas: daytime highs average 25.7°C and nights cool to about 19.3°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 9.8 mm of rain on fewer than one day, which makes December a very dry month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 46 min on an average December day.
The nearest other city in this atlas is San José del Cabo (28 km away). In December its highs average 26.2°C, 0.5°C warmer than Cabo San Lucas, with 9.2 mm of rain.
Among the 153 cities listed in Mexico, Cabo San Lucas ranks 35th of 153 for the warmest December highs and 63rd of 153 for the driest December (rainfall, lowest first). The mean December high of those 153 cities is 22.7°C; Cabo San Lucas is 3.0°C warmer than that mean.
From December to January, average highs fall by 0.8°C to 24.8°C, and monthly rainfall falls from 9.8 mm to 7.7 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cabo San Lucas climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.8°C18.1°C | 18.1°C | 7.7 | 1.3 | 10.911 h |
| February | 24.9°C17.9°C | 17.9°C | 8.5 | 0.9 | 11.411 h |
| March | 25.5°C18.5°C | 18.5°C | 1.1 | 0.3 | 12.012 h |
| April | 26.4°C19.7°C | 19.7°C | 0.4 | 0.1 | 12.713 h |
| May | 27.7°C21.2°C | 21.2°C | 0.4 | 0.2 | 13.213 h |
| June | 28.6°C23.1°C | 23.1°C | 5.3 | 0.6 | 13.514 h |
| July | 30.4°C25.6°C | 25.6°C | 19 | 3.6 | 13.413 h |
| August | 31.1°C26.6°C | 26.6°C | 65 | 8.9 | 12.913 h |
| September | 30.5°C26.4°C | 26.4°C | 124 | 10.4 | 12.312 h |
| October | 30.4°C25.2°C | 25.2°C | 24 | 3.0 | 11.612 h |
| November | 28.3°C22.3°C | 22.3°C | 16 | 1.8 | 11.111 h |
| December, selected | 25.7°C19.3°C | 19.3°C | 9.8 | 0.9 | 10.811 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- San José del Cabo in DecemberMexico · 28 kmHigh 26.2°C · Low 16.6°C · 9.2 mm rain
- La Paz, Mexico in DecemberMexico · 145 kmHigh 23.7°C · Low 16.0°C · 9.6 mm rain
- Guasave in DecemberMexico · 332 kmHigh 27.0°C · Low 13.4°C · 15 mm rain
- Culiacán in DecemberMexico · 333 kmHigh 28.0°C · Low 13.4°C · 17 mm rain
- Los Mochis in DecemberMexico · 336 kmHigh 25.8°C · Low 14.2°C · 12 mm rain
- Guamúchil in DecemberMexico · 341 kmHigh 27.3°C · Low 12.8°C · 22 mm rain
- Mazatlán in DecemberMexico · 359 kmHigh 26.0°C · Low 17.6°C · 9.3 mm rain
- Navojoa in DecemberMexico · 467 kmHigh 26.1°C · Low 11.3°C · 18 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cabo San Lucas) is explained once on the Cabo San Lucas year overview and on the Sources, method and limits page.