May 18 is generally a great time to visit Tucumán. While there is a slight chance of rain (25%), showers are usually brief. Expect comfortable 19°C weather. You'll find plenty of company in Tucumán this month as tourism activity remains quite robust.
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Essential Travel Info for Tucumán
Currency
ARS
$ Argentine peso
Language
Guaraní
+1 more
Driving
Right side
Safety
High Safety
GPI: 1.911
Tucumán Weather Forecast for May 18
"Mild & Comfortable. Expect average highs of 19.2°C. 25% chance of rain."
What to Wear in Tucumán in May
Based on historical data for May 18, Tucumán typically experiences temperatures between 11°C and 19.2°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (25% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Tucumán
Smart Suitcase
- Light Jacket
- Long Pants
Average High
19.2°C
Daytime Peak
Average Low
11°C
Nighttime Low
Feels Like
19.2°C
🌤️ Feels accurate
Rain Chance
25%
Avg 1.9mm if it rains
Cloud Cover
52%
Overcast
Pressure
1015.8 hPa
Medium volatility
Tucumán Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 92% 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
🔴 160 min to burn
Type III-IV
🟡 240 min to burn
Type V-VI
🟢 400 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
16°C
Noticeable
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
Busy
63/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~10
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tucumán
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
07:56
☀️ Noon
13:18
🌇 Sunset
18:41
⏱️ Daylight
10h 45m
Wind Speed
7.9 km/h
Light breeze
Sunshine
7.7 hrs
Direct Sun (Cloud-free)
Humidity
82%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Tucumán
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Tucumán
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟡 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 acceptable. Sensitive individuals should limit prolonged outdoor exertion.
Regional Safety Profile
Seismic Activity
Rare minor tremors. Buildings are earthquake-resistant.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Tucumán on May 18 averages 19.2°C with a 25% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Tucumán Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 11
20.6°C • 26% rain
Score
97
May 12
20.4°C • 26% rain
Score
97
May 13
20.1°C • 28% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Tucumán Worth Visiting on May 18?
Planning a trip to Tucumán on May 18? 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 19.2°C with a 25% historical precipitation risk.
✈️ Travel Logistics: Approximately 10 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 May 18 recorded in the last 30 years saw temperatures hit 23.6°C in 2020, while the coldest dropped to 4.8°C in 2022.