On June 12, southern Bulgaria will see mostly sunny skies during the morning hours, while the Danubian Plain will experience more extensive cloud cover. By afternoon, cloudiness will increase across the country, bringing rain and possible thunderstorms in several areas. The eastern regions can expect moderate to strong winds coming from the northeast. Daytime temperatures will range between 25 and 30 degrees Celsius, with Sofia reaching around 26 degrees. Atmospheric pressure is expected to remain above the monthly average.

Along the Black Sea coast, the weather will stay mostly sunny with occasional cloud breaks, but no rain is anticipated. Northeasterly winds will be moderate to strong here as well. Temperatures will hover between 23 and 26 degrees Celsius, while sea water temperatures will be comfortable, ranging from 22 to 26 degrees.

Mountain areas will enjoy sunshine in the morning, but by afternoon, cumulus and cumulonimbus clouds will build up, with thunderstorms possible in some locations. Winds will be moderate from the northeast. Temperatures will reach about 20 degrees Celsius at 1,200 meters elevation and drop to around 12 degrees at 2,000 meters.

Source: National Institute of Meteorology and Hydrology (NIMH)