Puerto Vallarta 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 – May
What is the weather like in Puerto Vallarta in December?
In December, Puerto Vallarta is warm: daytime highs average 26 °C, and nights cool down to about 19 °C. The sea averages 26.1 °C – lovely and warm for swimming. The sun shines for around 8 hours a day. Rain is rare: about 2 days bring 19 mm in total. The air is often humid and muggy. All in all, December is an excellent month for a holiday in Puerto Vallarta.
December compared
How the weather changes from November to January. Tap a month to open it.
| NovemberNov | DecemberDec | JanuaryJan | |
|---|---|---|---|
| Score | 99 | 98 | 98 |
| Day | 28° | 26° | 26° |
| Night | 21° | 19° | 17° |
| Sea | 28° | 26° | 25° |
| Sun | 9 h | 8 h | 9 h |
| Rain days | 4 | 2 | 3 |
More details for December
- Daylight
- 10 h 54 min07:29 – 18:23
- UV index
- 6 · highclear sky, noon (estimate)
- Muggy days
- 24 daysdew point 18 °C or more
- Wind
- 10 km/haverage daily peak
- Cloud cover
- 47 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−6America/Mexico_City
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in December
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
Puerto Vallarta in December: quick answers
Is Puerto Vallarta hot in December?
Warm rather than hot: in December, daytime highs in Puerto Vallarta average 26 °C and nights cool to about 19 °C.
Can you swim in Puerto Vallarta in December?
Yes. In December the sea averages 26.1 °C – lovely and warm for swimming.
Does it rain much in Puerto Vallarta in December?
Rain is rare: about 2 days bring 19 mm in total.
Puerto Vallarta month by month
The whole year in Puerto VallartaAll destinations: Mexico
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, GeoNames (CC BY 4.0)