Mild
Average highs are around 26°C, so days are mild rather than hot.
Weather Guide
Bulgaria Average Monthly Weather
Weather score45Mixed annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 15°C, sunshine averages 5.9h per day, and rainfall totals about 635mm. Sea temperatures average 4°C across the year.
Annual weather
Annual averages
Temp
15°C
Rain
635mm
Annual total
Sun
5.9h
Sea
4°C
Weather score
45
Mixed avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Bright
Sunshine averages 9.1h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 7°C, so the water can feel cool.
Map
Weather map
Compare Bulgaria with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August26°C average high
August is one of Bulgaria's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August46mm average rain
August is close to Bulgaria's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
Sun
August9.1 hours average sun
August is one of Bulgaria's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August7°C average sea
August is one of Bulgaria's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 6°C in this stretch, so swimming comfort is at its strongest.
Weather score
August75 weather score
August is one of Bulgaria's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
