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Best Time for Bulgaria's Black Sea Coast

Last updated: 2026-08-16

Preferred months for this journey: June, July, August, September. Check the seasonal notes before choosing your dates.

Warm-water season brings the fullest resort services, while the old towns and museums still need time away from the beach. September festival dates and individual church opening hours must be checked for the chosen year.
Nessebar and Sozopol remain rewarding heritage towns outside summer, but beach services thin out and several museums use shorter weekday-only schedules. Check each indoor stop for the travel date.

Month	Low	High	Rain	Daylight
January	0.1°C	6.0°C	61 mm	9.2 h	❄
February	1.0°C	7.5°C	44 mm	10.3 h	❄
March	3.4°C	11.1°C	44 mm	11.7 h
April	6.9°C	15.2°C	33 mm	13.2 h
May	12.6°C	21.2°C	44 mm	14.4 h
June	17.5°C	26.3°C	49 mm	15.1 h
July	20.2°C	28.9°C	47 mm	14.8 h
August	20.4°C	29.1°C	27 mm	13.7 h
September	16.5°C	24.5°C	52 mm	12.3 h
October	11.5°C	18.6°C	66 mm	10.8 h
November	6.9°C	13.2°C	45 mm	9.5 h
December	2.0°C	7.7°C	61 mm	8.9 h