Mendoza Weather in August
August in Mendoza brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 25°C (77°F). Quite a bit of rainfall is expected, around 155 mm (6.1 in), so pack an umbrella.
Rainfall in Mendoza in August
Analyzing past climate data, one can expect approximately 15 days of rain, averaging 155 mm (6.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Mendoza in August
Expect highs of 31°C (88°F) in Mendoza in August, with nights dropping to around 25°C (77°F). For most visitors, the main thing to prepare for is the heat during the day. Nights stay warm at around 25°C (77°F), so light bedding and good ventilation are worth thinking about. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.
Sunshine in Mendoza in August
Expect a lot of sunshine this month, with about 235 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Mendoza in August
August sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.
Average water temperature in August
At 29°C (84°F), the water is very warm — more like a heated pool than the sea. Great for those who like warm water, though some may find it less refreshing on a hot day.August in Mendoza has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 August
Min Temperature
25°C (77°F)
Max Temperature
31°C (88°F)
Water Temperature
29°C (84°F) *
Chance of Rain
49%
Precipitation
155 mm (6.1 in)
Rainy days
15 days
Humidity
85% *
Windspeed
2 m/s (4 knots) *
Sunshine
235 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Mendoza typically stay consistent throughout August, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Mendoza in August
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 August
Based on 31 years of weather observations (1994-2025), these are the most extreme conditions recorded in Mendoza.
- The warmest day in August was on August 1, 2017, with a maximum of 38°C (100°F).
- The lowest daytime temperature in August was 24°C (75°F), recorded on August 21, 1994.
- Nighttime temperatures dropped to 21°C (70°F) on August 4, 2011, marking the coldest August night on record.
Best Places in the Dominican Republic in August
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 August →
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What to Wear in Mendoza in August
Warm but pleasant conditions in Mendoza in August. 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 29°C (84°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Mendoza in August
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.
