May 18 is generally a great time to visit Tbilisi. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 21°C weather. You'll find plenty of company in Tbilisi this month as tourism activity remains quite robust.
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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 May 18
"Mild & Comfortable. Expect average highs of 20.9°C. 31% chance of rain."
What to Wear in Tbilisi in May
Based on historical data for May 18, Tbilisi typically experiences temperatures between 10.7°C and 20.9°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Tbilisi
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
20.9°C
Daytime Peak
Average Low
10.7°C
Nighttime Low
Feels Like
21°C
☀️ Feels accurate
Rain Chance
31%
Avg 2.2mm if it rains
Cloud Cover
56%
Overcast
Pressure
1015.4 hPa
Low volatility
Tbilisi Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 20:00
Type I-II
🔴 15 min to burn
Type III-IV
🟡 23 min to burn
Type V-VI
🟢 38 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
15.4°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Georgia
Flight Traffic
Busy
71/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~58
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Tbilisi
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:39
☀️ Noon
12:58
🌇 Sunset
20:17
⏱️ Daylight
14h 37m
Wind Speed
11.6 km/h
Light breeze
Sunshine
10.8 hrs
Direct Sun (Cloud-free)
Humidity
71%
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
⛅ Good
Tourist Crowds
🟡 Busy
Price Level
💰💰💰 Expensive
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
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 May 18 averages 20.9°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 95/100."
— 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
May 23
22.2°C • 22% rain
Score
98
May 21
21.5°C • 26% rain
Score
97
May 22
21.8°C • 24% rain
Score
97
💡 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 Tbilisi Worth Visiting on May 18?
Planning a trip to Tbilisi 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 20.9°C with a 31% historical precipitation risk.
✈️ Travel Logistics: Approximately 58 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 May 18 recorded in the last 30 years saw temperatures hit 26.7°C in 2019, while the coldest dropped to 7.3°C in 2024.