May 15 is generally a great time to visit Sofia. While there is a slight chance of rain (38%), showers are usually brief. Expect comfortable 20°C weather. Expect a bustling atmosphere in Sofia right now—this is when the city truly comes alive with visitors.
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Essential Travel Info for Sofia
Currency
BGN
лв Bulgarian lev
Language
Bulgarian
Driving
Right side
Connect
5G internet is available from all three ...
Safety
High Safety
GPI: 1.541
Sofia Weather Forecast for May 15
"Mild & Comfortable. Expect average highs of 20.1°C. 38% chance of rain."
What to Wear in Sofia in May
Based on historical data for May 15, Sofia typically experiences temperatures between 10.2°C and 20.1°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 38% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Sofia
Smart Suitcase
- Light Jacket
- Long Pants
- Umbrella
Average High
20.1°C
Daytime Peak
Average Low
10.2°C
Nighttime Low
Feels Like
20.1°C
☀️ Feels accurate
Rain Chance
38%
Avg 2.3mm if it rains
Cloud Cover
59%
Slight rain
Pressure
1014 hPa
Medium volatility
Sofia Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
~ Expect variable conditions. Have flexible plans and pack for multiple weather scenarios.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 16 min to burn
Type III-IV
🟡 24 min to burn
Type V-VI
🟢 40 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
14.2°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 Bulgaria
Flight Traffic
High
100/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~95
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Sofia
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:06
☀️ Noon
12:24
🌇 Sunset
19:42
⏱️ Daylight
14h 36m
Wind Speed
10.2 km/h
Light breeze
Sunshine
10.4 hrs
Direct Sun (Cloud-free)
Humidity
69%
Slightly humid
Travel Intelligence
Exclusive flight analytics & health data for Sofia
Smart Flight Estimator
Airport-to-Airport Logistics
unlock smart flight estimates
Add your home location in settings to see airport details.
Travel Health & Safety in Sofia
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, Sofia on May 15 averages 20.1°C with a 38% precipitation probability. Wedding/Outdoor Event Score: 91/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
Sofia Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Better Alternatives Nearby
Consider these dates within ±7 days
May 10
19.8°C • 22% rain
Score
96
May 11
20°C • 25% rain
Score
96
May 12
20.2°C • 28% rain
Score
96
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (May 15) in other destinations
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📍 Is Sofia Worth Visiting on May 15?
Planning a trip to Sofia on May 15? 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 20.1°C with a 38% historical precipitation risk.
✈️ Travel Logistics: Approximately 95 landing slots available daily during this period, indicating manageable crowd levels.
💉 Health Advisory: 7 vaccinations are recommended for Bulgaria, including COVID-19.
📊 Historical Extremes: The hottest May 15 recorded in the last 30 years saw temperatures hit 34°C in 2020, while the coldest dropped to 5.3°C in 2025.