August 20 is statistically one of the best days of the year in Mendoza. With minimal rain risk (12%) and pleasant highs of 16°C, it's ideal for outdoor adventures. As it's peak season for Mendoza, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for Mendoza
Currency
ARS
$ Argentine peso
Language
Guaraní
+1 more
Driving
Right side
Safety
High Safety
GPI: 1.911
Mendoza Weather Forecast for August 20
"Mild & Comfortable. Expect average highs of 15.7°C. 12% chance of rain."
What to Wear in Mendoza in August
Based on historical data for August 20, Mendoza typically experiences temperatures between 4.8°C and 15.7°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Mendoza
Smart Suitcase
- Light Jacket
- Long Pants
Average High
15.7°C
Daytime Peak
Average Low
4.8°C
Nighttime Low
Feels Like
15.7°C
🌤️ Feels accurate
Rain Chance
12%
Avg 0.4mm if it rains
Cloud Cover
34%
Overcast
Pressure
1017.2 hPa
Medium volatility
Mendoza Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ This date historically delivers consistent weather 77% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 38 min to burn
Type III-IV
🟡 57 min to burn
Type V-VI
🟢 95 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
6.1°C
Dry air
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Argentina
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~39
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Mendoza
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:08
☀️ Noon
13:40
🌇 Sunset
19:11
⏱️ Daylight
11h 2m
Wind Speed
12.9 km/h
Gentle breeze
Sunshine
8.6 hrs
Direct Sun (Cloud-free)
Humidity
53%
Comfortable
Travel Intelligence
Exclusive flight analytics & health data for Mendoza
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Mendoza
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🔴 Very Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Moderate fluctuations. Some sensitivity possible.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Mendoza on August 20 averages 15.7°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 89/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Mendoza Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
August 27
17.7°C • 5% rain
Score
95
August 26
17.2°C • 6% rain
Score
93
August 25
16.5°C • 9% rain
Score
91
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (August 20) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Mendoza Worth Visiting on August 20?
Planning a trip to Mendoza on August 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 15.7°C with a 12% historical precipitation risk.
✈️ Travel Logistics: Approximately 39 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 8 vaccinations are recommended for Argentina, including COVID-19.
📊 Historical Extremes: The hottest August 20 recorded in the last 30 years saw temperatures hit 21.1°C in 2023, while the coldest dropped to -2.5°C in 2020.