Mazatlán weather in December
Temperature, sea and sunshine in December: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in December
Excellent
Best time to visit: November – April
What is the weather like in Mazatlán in December?
In December, Mazatlán is warm: daytime highs average 27 °C, and nights cool down to about 17 °C. The sea averages 24.7 °C – pleasant for swimming. The sun shines for around 7 hours a day. It hardly ever rains. All in all, December is an excellent month for a holiday in Mazatlán.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 85 | 94 | 96 |
| Day | 29° | 27° | 26° |
| Night | 21° | 17° | 16° |
| Sea | 27° | 25° | 23° |
| Sun | 8 h | 7 h | 8 h |
| Rain days | 2 | 1 | 1 |
More details for December
- Daylight
- 10 h 43 min06:39 – 17:22
- UV index
- 5 · moderateclear sky, noon (estimate)All months
- Muggy days
- 8 daysdew point 18 °C or moreAll months
- Wind
- 10 km/haverage daily peakAll months
- Cloud cover
- 41 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC−7America/Mazatlan
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %72 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in December
- Swimwear
- Sunscreen
- Light, breathable clothes
Mazatlán in December: quick answers
Is Mazatlán hot in December?
Warm rather than hot: in December, daytime highs in Mazatlán average 27 °C and nights cool to about 17 °C.
Can you swim in Mazatlán in December?
Yes. In December the sea averages 24.7 °C – pleasant for swimming.
Does it rain much in Mazatlán in December?
It hardly ever rains.
Mazatlán month by month
The whole year in MazatlánAll destinations: MexicoWhere to go in DecemberSea temperature in December
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences