Bulgaria

Bulgaria Weather & Climate: Monthly Averages

Monthly climate averages for Bulgaria, temperatures, rainfall and the best time to visit.

Climate overview of Bulgaria

Bulgaria, like many countries in Eastern Europe, has a temperate climate characterized by very cold winters and hot summers.

Regional Climate Variations

Different regions within the country, influenced by geographical factors such as mountains and proximity to the Black Sea, experience unique microclimates that can differ significantly from the typical temperate conditions.

For example, the very popular Black Sea coast for tourists has its own microclimate. Winters there are much milder, and summers are cooler due to the sea’s influence compared to the inland parts of the country.

The Balkan Mountains cross the country and also play a big role in determining Bulgaria's weather. The mountain chain acts as a barrier—northern Bulgaria is colder and has more precipitation than the southern lowlands.

Best Time to Visit

The best time to visit Bulgaria, considering the regions and activities, is from mid-May to mid-October. This period is generally regarded as the best, whether you are going to the beaches, historic towns, or mountainous areas.

However, in July and August, there can be heatwaves or violent thunderstorms. Visitors wanting to see the cities—for example, Sofia or Plovdiv—may prefer late spring or early autumn to avoid the summer extremes.

Explore Bulgaria by month

Pick a month to see the average temperature, rainfall and sunshine in Bulgaria — and find the best time to visit. (based on Sunny Beach)

Places in Bulgaria

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

Popular cities by month

Compare cities per month. Toggle cities on/off.

Sunny Beach Sofia Sozopol Bansko Primorsko Plovdiv
Day temperature (°C)
Monthly rainfall (mm)
Monthly sunshine (hours)

Climate map

Average daily temperature, monthly rainfall & sunshine hours across cities.

Avg day temp (°C)
32°

Regional climate differences

Explore the climate diversity across Bulgaria.

Compare popular cities

Average daytime and nighttime temperatures, yearly rainfall and sunshine.

Sunny Beach 7°C (45°F) 28°C (82°F) 1°C (34°F) 21°C (70°F) 653 mm (26 in) 2,514 hours
Sofia 4°C (39°F) 27°C (81°F) -5°C (23°F) 14°C (57°F) 734 mm (29 in) 2,250 hours
Sozopol 8°C (46°F) 27°C (81°F) 3°C (37°F) 22°C (72°F) 687 mm (27 in) 2,197 hours
Bansko 2°C (36°F) 24°C (75°F) -7°C (19°F) 11°C (52°F) 1076 mm (42 in) 2,744 hours
Primorsko 8°C (46°F) 27°C (81°F) 3°C (37°F) 22°C (72°F) 779 mm (31 in) 2,197 hours
Plovdiv 6°C (43°F) 30°C (86°F) -3°C (27°F) 17°C (63°F) 740 mm (29 in) 2,341 hours

FAQ

What temperatures can I expect in Bulgaria?

Ruse is the warmest destination, reaching 31°C (88°F) in August with nights around 19°C (66°F). Bansko is the coolest, with January daytime highs of just 2°C (36°F) and nights dropping to -7°C (19°F). Temperatures vary significantly between regions and seasons. See the city comparison for a full overview.

How much rain does Bulgaria get?

Rainfall varies across Bulgaria. Pamporovo is the wettest, receiving 1131 mm (45 in) per year, with June the wettest month at 143 mm (5.6 in). Sozopol is the driest at 687 mm (27 in) per year. Use the climate map to explore rainfall patterns across regions.

How sunny is Bulgaria?

Sandanski is the sunniest destination in Bulgaria, enjoying 2,744 hours of sunshine per year, with July the brightest month at 368 hours. Overall, Bulgaria enjoys abundant sunshine year-round. Compare sunshine across cities in the charts above.

What is the climate like across Bulgaria?

Sunny Beach has warm summers reaching 28°C (82°F) in August and cold winters dropping to 7°C (45°F), with 2,514 hours of sunshine and 653 mm (26 in) of rain per year. Sofia has warm summers reaching 27°C (81°F) in August and cold winters dropping to 4°C (39°F), with 2,250 hours of sunshine and 734 mm (29 in) of rain per year. Sozopol has warm summers reaching 27°C (81°F) in August and cold winters dropping to 8°C (46°F), with 2,197 hours of sunshine and 687 mm (27 in) of rain per year. Explore the climate charts and comparison table for more cities.

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Travel inspiration

Must-visit destinations and experiences across Bulgaria.