Nuevo Vallarta Weather in December
December in Nuevo Vallarta sees daytime temperatures around 27°C (81°F) and lows of 19°C (66°F) at night. The perfect weather makes it a good time to visit.
Rainfall in Nuevo Vallarta in December
Expect around 2 days of rain based on historical data, with 26 mm (1 in) average. If rain does fall, it tends to arrive as a fairly heavy shower rather than light drizzle.
Temperature in Nuevo Vallarta in December
The temperature in Nuevo Vallarta in December is perfect. Daytime highs reach 27°C (81°F), with nights dropping to 19°C (66°F). Overall, the month follows a fairly predictable daily temperature pattern. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Average water temperature in December
The water temperature is 25°C (77°F), which most people find very comfortable. A good month for swimming and water sports.If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, November and December typically offer the best circumstances for Nuevo Vallarta .
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 Nuevo Vallarta 's climate page.
Nuevo Vallarta Temperature in December
Min Temperature
19°C (66°F)
Max Temperature
27°C (81°F)
Water Temperature
25°C (77°F) *
Chance of Rain
6%
Precipitation
26 mm (1 in)
Rainy days
2 days
Humidity
68% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nuevo Vallarta typically stay consistent throughout December, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 18°C (64°F).
Average temperatures in December
Historical weather for Nuevo Vallarta in December
Browse day-by-day weather records for Nuevo Vallarta spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nuevo Vallarta historical weather extremes in December
Based on 45 years of weather observations (1980-2025), these are the most extreme conditions recorded in Nuevo Vallarta .
- The hottest December day on record in Nuevo Vallarta reached 34°C (93°F) (December 2, 2016).
- The lowest daytime temperature in December was 20°C (68°F), recorded on December 27, 2000.
- Nighttime temperatures dropped to 12°C (54°F) on December 31, 2007, marking the coldest December night on record.
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 →
perfect weather
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What to Wear in Nuevo Vallarta in December
Warm but pleasant conditions in Nuevo Vallarta in December. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. The water temperature sits at about 25°C (77°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 Nuevo Vallarta 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 Nuevo Vallarta 's climate page.
Temperature Rainfall Humidity Water Temp
See the full Nuevo Vallarta climate overview or explore weather in Mexico.
