April 21 is generally a great time to visit Sofia. While there is a slight chance of rain (27%), showers are usually brief. Expect comfortable 16°C weather. As it's peak season for Sofia, we recommend booking your stay well in advance to secure the best rates. Note: April 21 is Easter Monday in Sofia, so expect special events, closures, and festive atmosphere.
View the full calendar
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 April 21
"Mild & Comfortable. Expect average highs of 15.9°C. 27% chance of rain."
What to Wear in Sofia in April
Based on historical data for April 21, Sofia typically experiences temperatures between 5.5°C and 15.9°C. We recommend packing light jacket, long pants to stay comfortable. With a 27% 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
Average High
15.9°C
Daytime Peak
Average Low
5.5°C
Nighttime Low
Feels Like
15.9°C
🌤️ Feels accurate
Rain Chance
27%
Avg 1.8mm if it rains
Cloud Cover
55%
Light drizzle
Pressure
1014.3 hPa
Medium 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 recommended
05:00 - 10:00
16:00 - 19:00
Type I-II
🔴 19 min to burn
Type III-IV
🟡 29 min to burn
Type V-VI
🟢 48 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
10°C
Pleasant
Heat Stress
Low
No heat warning
😊 Best outdoor time:
Any time during daylight hours
Travel & Logistics Insights
Local Calendar
Holiday
Easter Monday
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
05:37
☀️ Noon
12:26
🌇 Sunset
19:15
⏱️ Daylight
13h 38m
Wind Speed
11.9 km/h
Light breeze
Sunshine
10.3 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
🟡 Busy
Price Level
💰💰 Moderate
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 April 21 averages 15.9°C with a 27% precipitation probability. Wedding/Outdoor Event Score: 81/100."
— 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
April 27
18°C • 17% rain
Score
91
April 28
18.2°C • 18% rain
Score
91
April 26
17.8°C • 23% rain
Score
88
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 21) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is Sofia Worth Visiting on April 21?
Planning a trip to Sofia on April 21? 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 15.9°C with a 27% historical precipitation risk.
🎉 Local Event: The date coincides with Easter Monday, which may influence local business hours and event availability.
✈️ 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 April 21 recorded in the last 30 years saw temperatures hit 23.3°C in 2025, while the coldest dropped to -3.1°C in 2022.