December 21 is statistically one of the best days of the year in Tbilisi. With minimal rain risk (14%) and pleasant highs of 6°C, it's ideal for outdoor adventures. It's a lively time to explore Tbilisi, with most attractions operating at full capacity.
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Essential Travel Info for Tbilisi
Currency
GEL
₾ lari
Language
Georgian
Driving
Right side
Connect
SIM cards can be bought almost anywhere ...
Safety
Moderate Safety
GPI: 2.065
Tbilisi Weather Forecast for December 21
"Mild & Comfortable. Expect average highs of 5.9°C. 14% chance of snow."
What to Wear in Tbilisi in December
Based on historical data for December 21, Tbilisi typically experiences temperatures between -2.8°C and 5.9°C. We recommend packing heavy coat, scarf, gloves to stay comfortable. Trends suggest it will stay mostly dry (14% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for Tbilisi
Smart Suitcase
- Heavy Coat
- Scarf
- Gloves
Average High
5.9°C
Daytime Peak
Average Low
-2.8°C
Nighttime Low
Feels Like
4°C
❄️ Minor difference
Snow Chance
14%
Avg 0.5mm if it snows
Snowfall
0.5 cm
~14% chance
Pressure
1022.5 hPa
Medium volatility
Tbilisi Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 99% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
2°C
Dry air
Heat Stress
Low
No heat warning
😕 Best outdoor time:
Midday (11 AM - 3 PM) when warmest
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Georgia
Flight Traffic
Busy
63/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~52
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tbilisi
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
08:25
☀️ Noon
12:59
🌇 Sunset
17:34
⏱️ Daylight
9h 8m
Wind Speed
8.7 km/h
Light breeze
Sunshine
6.4 hrs
Direct Sun (Cloud-free)
Humidity
76%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for Tbilisi
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in Tbilisi
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.
High pressure may reduce activity.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Moderate seismic activity. Occasional tremors possible.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Tbilisi on December 21 averages 5.9°C with a 14% precipitation probability. Wedding/Outdoor Event Score: 49/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Tbilisi Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
December 28
6.7°C • 7% rain
Score
53
December 14
6.1°C • 14% rain
Score
52
December 15
6.1°C • 13% rain
Score
52
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (December 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Tbilisi Worth Visiting on December 21?
Planning a trip to Tbilisi on December 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 5.9°C with a 14% historical precipitation risk.
✈️ Travel Logistics: Approximately 52 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 6 vaccinations are recommended for Georgia, including COVID-19.
📊 Historical Extremes: The hottest December 21 recorded in the last 30 years saw temperatures hit 9.8°C in 2017, while the coldest dropped to -4°C in 2016.