Monthly climate averages for Sofia, Bulgaria. Based on 10-year ERA5 reanalysis data.
Cfa Humid Subtropical
Climate OverviewSofia, Bulgaria in August has warm conditions, with highs averaging 27.3°C (81°F). Temperatures drop noticeably between day and night.
This month falls at the end of Summer.
Temperatures remain fairly steady throughout August, with daily highs around 27°C (81°F).
August sees fairly even rainfall, totalling about 32 mm across the month.
Expect around 12.7h of sunshine at the start of August, decreasing to 11.8h by the end.
The warmest days tend to fall around the 3th, averaging 28.3°C (83°F).
Temperatures begin dropping heading into September.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 27°C (81°F) are ideal for full-day outdoor exploration.
Rain usually comes in shorter passing showers rather than all-day rain.
2 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -4°C | 1°C / -7°C | 10days (57 mm) Wet | 6.2h Fair | 79% Humid | 2.3 Moderate | Poor | View Details |
| February | 8°C / -1°C | 5°C / -5°C | 8days (37 mm) Wet | 7.6h Good | 75% Muggy | 3.2 Moderate | Poor | View Details |
| March | 11°C / 2°C | 8°C / -1°C | 11days (60 mm) Wet | 8.4h Good | 71% Muggy | 4.2 Moderate | Poor | View Details |
| April | 16°C / 6°C | 14°C / 3°C | 11days (55 mm) Wet | 10.2h Excellent | 67% Muggy | 5.6 High | Fair | View Details |
| May | 20°C / 10°C | 19°C / 9°C | 14days (72 mm) Wet | 10.9h Excellent | 71% Muggy | 6.3 High | Good | View Details |
| June best | 25°C / 15°C | 26°C / 16°C | 12days (74 mm) Wet | 12.2h Excellent | 71% Muggy | 7.3 Very High | Excellent | View Details |
| July best | 27°C / 17°C | 29°C / 18°C | 8days (44 mm) Wet | 12.8h Excellent | 64% Muggy | 7.5 Very High | Excellent | View Details |
| August best | 27°C / 17°C | 28°C / 18°C | 7days (32 mm) Good | 12.2h Excellent | 61% Muggy | 6.8 High | Excellent | View Details |
| September best | 23°C / 13°C | 22°C / 12°C | 4days (27 mm) Good | 10.1h Excellent | 64% Muggy | 5.2 High | Excellent | View Details |
| October best | 17°C / 8°C | 15°C / 6°C | 6days (47 mm) Good | 8.1h Good | 72% Muggy | 3.7 Moderate | Excellent | View Details |
| November | 11°C / 3°C | 9°C / 0°C | 9days (53 mm) Wet | 6.2h Fair | 81% Humid | 2.3 Moderate | Poor | View Details |
| December | 6°C / -1°C | 3°C / -4°C | 9days (52 mm) Wet | 5.6h Fair | 82% Humid | 1.7 Low | Poor | View Details |
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.
Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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