June 18 is generally a great time to visit Sofia. While there is a slight chance of rain (30%), showers are usually brief. Expect comfortable 25°C weather. Sofia is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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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 June 18
"Mild & Comfortable. Expect average highs of 24.9°C. 30% chance of rain."
What to Wear in Sofia in June
Based on historical data for June 18, Sofia typically experiences temperatures between 14.9°C and 24.9°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 30% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for Sofia
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
24.9°C
Daytime Peak
Average Low
14.9°C
Nighttime Low
Feels Like
25.6°C
☀️ Feels accurate
Rain Chance
30%
Avg 2.2mm if it rains
Cloud Cover
42%
Light drizzle
Pressure
1015 hPa
Low volatility
Sofia 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
04:00 - 10:00
16:00 - 20:00
Type I-II
🔴 12 min to burn
Type III-IV
🟡 18 min to burn
Type V-VI
🟢 30 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
18.6°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 Bulgaria
Flight Traffic
High
92/100 pressure index
Health Advisory
Required
1 vaccine • View Details →
Landing Slots
~87
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in Sofia
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
04:49
☀️ Noon
12:29
🌇 Sunset
20:08
⏱️ Daylight
15h 19m
Wind Speed
9.7 km/h
Light breeze
Sunshine
12.5 hrs
Direct Sun (Cloud-free)
Humidity
68%
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
🔴 Very 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 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 June 18 averages 24.9°C with a 30% precipitation probability. Wedding/Outdoor Event Score: 96/100."
— 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
June 21
25.8°C • 20% rain
Score
99
June 22
26.2°C • 17% rain
Score
99
June 23
26.5°C • 22% rain
Score
98
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (June 18) in other destinations
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📍 Is Sofia Worth Visiting on June 18?
Planning a trip to Sofia on June 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 24.9°C with a 30% historical precipitation risk.
✈️ Travel Logistics: Approximately 87 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 June 18 recorded in the last 30 years saw temperatures hit 33.9°C in 2016, while the coldest dropped to 11.5°C in 2017.