Bulgaria Monthly Climate

Bulgaria's climate is characterized by its continental influence, modified by Mediterranean effects in the south and the Black Sea in the east. From the Balkan Mountains to the Thracian Plain, Bulgaria's diverse geography creates distinct weather patterns that shape both daily life and tourism across this historic Balkan nation.

Don't forget to check WhereWeather Website for weather statistics on your exact travel dates, for any city in Bulgaria or worldwide. You can also compare different cities and dates side-by-side.

Regional Climate Overview

Bulgaria's climate can be divided into several distinct regions:

Northern Bulgaria

Continental climate
Hot summers
Cold winters
Moderate rainfall
Strong seasonal changes

Southern Bulgaria

Mediterranean influence
Milder winters
Hot summers
More precipitation
Earlier spring

Black Sea Coast

Maritime influence
Moderate temperatures
Summer sea breezes
Autumn rainfall
Mild winters

Mountain Regions

Alpine climate
Cold winters
Cool summers
High precipitation
Snow cover in winter

Featured Bulgarian Cities

Explore detailed weather information for some of Bulgaria's most visited destinations:

Sofia

Capital with mountain influence

Seasonal Patterns

Summer (June-August)

Plains temperatures: 25-35°C (77-95°F)
Mountain temperatures: 15-25°C (59-77°F)
Occasional thunderstorms
Long sunny days
Perfect beach weather

Winter (December-February)

Plains temperatures: -5 to 5°C (23-41°F)
Mountain temperatures: -10 to 0°C (14-32°F)
Regular snowfall
Ski season
Cold north winds

Spring (March-May)

Variable temperatures
Frequent rain showers
Mountain snow melt
Wildflower blooms
Pleasant hiking weather

Autumn (September-November)

Mild temperatures
Less rainfall
Clear skies
Fall colors
Wine harvest season

Best Time to Visit

The ideal time to visit Bulgaria varies by region:

Sofia & Interior

May to October: Pleasant temperatures
Best months: June, September
Avoid December-February: Cold and snow

Black Sea Coast

June to September: Beach season
Best months: July-August
Avoid November-March: Cool and windy

Mountain Regions

December to March: Skiing
June to September: Hiking
Best months: February (winter), July (summer)

Regional Variations

Temperature

Northern Plains: -5 to 35°C (23-95°F)
Southern Valleys: 0 to 35°C (32-95°F)
Black Sea Coast: 0 to 30°C (32-86°F)
Mountains: -15 to 25°C (5-77°F)

Rainfall

Northern Plains: 500-600mm annual average
Southern Region: 600-800mm annual average
Black Sea Coast: 400-500mm annual average
Mountains: 800-1200mm annual average

Visitor Tips

What to Pack

Seasonal clothing
Rain protection
Sun protection
Warm layers for mountains
Swimwear for coast

Weather Considerations

Check mountain conditions
Plan for seasonal activities
Watch for summer storms
Consider shoulder seasons
Book coastal resorts early

Health and Safety

Stay hydrated
Use sun protection
Watch for winter ice
Check ski conditions
Prepare for temperature changes