Mendoza Weather in December
December is one of the perfect months to visit Mendoza, with daytime temperatures of 29°C (84°F) and lows of 23°C (73°F) at night. Some rainfall is typical for this time of year.
Rainfall in Mendoza in December
Expect around 15 days of rain based on historical data, with 53 mm (2.1 in) average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Mendoza in December
Mendoza has perfect weather in December, with days reaching 29°C (84°F) and nights cooling to 23°C (73°F). This kind of day-to-night contrast is typical for this time of year. Nights remain mild at 23°C (73°F), making evenings a pleasant time to be outdoors.
Sunshine in Mendoza in December
The city usually sees around 222 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Mendoza in December
Wind speeds average 2 m/s (4 knots) during December. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.
Average water temperature in December
The water is 27°C (81°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you're inclined towards comfortable temperatures and drier conditions, December is a good time to visit Mendoza.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Dominican Republic, check out our Mendoza's climate page.
Mendoza Temperature in December
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Water Temperature
27°C (81°F) *
Chance of Rain
50%
Precipitation
53 mm (2.1 in)
Rainy days
15 days
Humidity
82% *
Windspeed
2 m/s (4 knots) *
Sunshine
222 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1976-2025)
Based on our historical records, temperatures in Mendoza typically stay consistent throughout December, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in December
Daily Historical Precipitation
48-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in December
Historical weather for Mendoza in December
Browse day-by-day weather records for Mendoza spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mendoza historical weather extremes in December
According to our 30 years of weather records for Mendoza, the following extremes were recorded between 1995 and 2025.
- The hottest December day on record in Mendoza reached 33°C (91°F) (December 21, 2012).
- Mendoza experienced its chilliest December day on December 31, 2003, reaching only 19°C (66°F).
- Mendoza registered its coldest December night on December 18, 1996, with temperatures dropping to 15°C (59°F).
Best Places in the Dominican Republic in December
Find out more about the weather in the Dominican Republic and which places have the best travel conditions in this month. See all of the Dominican Republic in December →
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What to Wear in Mendoza in December
Warm temperatures in December make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. With water temperatures around 27°C (81°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Mendoza 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 the Dominican Republic, check out our Mendoza's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Mendoza climate overview or explore weather in the Dominican Republic.
