December 18 is generally a great time to visit Tucumán. While there is a slight chance of rain (32%), showers are usually brief. Expect comfortable 30°C weather. Expect a bustling atmosphere in Tucumán right now—this is when the city truly comes alive with visitors.
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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 December 18
"Warm & Sunny. Expect average highs of 29.8°C. 32% chance of rain."
What to Wear in Tucumán in December
Based on historical data for December 18, Tucumán typically experiences temperatures between 19.3°C and 29.8°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 32% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Tucumán
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
29.8°C
Daytime Peak
Average Low
19.3°C
Nighttime Low
Feels Like
34.6°C
🔥 Feels warmer
Rain Chance
32%
Avg 3.1mm if it rains
Cloud Cover
54%
Light drizzle
Pressure
1008.5 hPa
Medium volatility
Tucumán Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
✓ Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30+ required, seek shade
06:00 - 10:00
16:00 - 20:00
Type I-II
🔴 11 min to burn
Type III-IV
🟡 17 min to burn
Type V-VI
🟢 28 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
23.7°C
Humid/Sticky
Heat Index
34.6°C
Feels hotter
😐 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
~16
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tucumán
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
06:24
☀️ Noon
13:18
🌇 Sunset
20:13
⏱️ Daylight
13h 49m
Wind Speed
9.9 km/h
Light breeze
Sunshine
11.1 hrs
Direct Sun (Cloud-free)
Humidity
70%
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
⛅ Good
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 December 18 averages 29.8°C with a 32% precipitation probability. Wedding/Outdoor Event Score: 90/100."
— 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
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 18) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Tucumán Worth Visiting on December 18?
Planning a trip to Tucumán on December 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.8°C with a 32% historical precipitation risk.
✈️ Travel Logistics: Approximately 16 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 December 18 recorded in the last 30 years saw temperatures hit 37.8°C in 2020, while the coldest dropped to 14.9°C in 2022.