SeasonMapSunny Beach weather by month
Bulgaria
The best time to visit Sunny Beach is July to September — 95/100 in August, 30°C and 4 rainy days. The best season is summer, June to August (92/100 on average).
The worst month is January at 44/100 — cold, a little rain, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Bulgaria →
Sunny Beach, month by month
Comfort score out of 100 for the kind of trip Sunny Beach is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 44 | F | 8°C | 8 d | 6 h | Quiet | 1 |
| FebFebruary | 54 | D | 11°C | 7 d | 7 h | Quiet | 1 |
| MarMarch | 66 | C | 13°C | 9 d | 9 h | Shoulder | 1 |
| AprApril | 73 | B | 17°C | 8 d | 10 h | Shoulder | 1 |
| MayMay | 79 | B | 21°C | 10 d | 12 h | Shoulder | 1 |
| JunJune | 87 | A | 27°C | 9 d | 13 h | Shoulder | 2 |
| JulJuly | 93 | S | 29°C | 5 d | 13 h | Busy | 2 |
| AugAugust | 95 | S | 30°C | 4 d | 12 h | Busy | 2 |
| SepSeptember | 91 | S | 26°C | 5 d | 11 h | Busy | 1 |
| OctOctober | 75 | B | 20°C | 6 d | 8 h | Shoulder | 1 |
| NovNovember | 57 | D | 15°C | 8 d | 6 h | Shoulder | 1 |
| DecDecember | 48 | F | 11°C | 8 d | 5 h | Quiet | 1 |
What's on in Sunny Beach through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
Crowds in Sunny Beach in August
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyPackage high season, school holidays in 7 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet