SeasonMapSunny Beach weather in May
Bulgaria
May in Sunny Beach: nice, a little rain, with clean air — a great time to visit.
#5 of 12 months in Sunny Beach · #782 of 1383 destinations to visit in May · comfort 79/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Sunny Beach in May
Other months in Sunny Beach
Sunny Beach's forum calls the first half of August reliably hot, with the back half cooling off enough at night that a light jacket is worth having. Regulars note the weather can still surprise you — some Augusts bring a run of heavy downpours lasting a few hours, even in what's normally the driest stretch of summer.
Add your own note from Sunny Beach's card on the map.
Sunny Beach climate normals — May
| Daytime high | 21°C / 70°F | 😎 nice |
|---|---|---|
| Nighttime low | 12°C / 54°F | |
| Feels like (high) | 21°C / 70°F | |
| Sea temperature | 16°C / 61°F | 🥶 cold sea |
| Rainfall | 54 mm / 2.1 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 77% | 💦 very humid |
| Dew point | 12°C / 54°F | |
| Sunshine | 12.1 h/day | |
| Daylight | 14.6 h | |
| Wind | 17 km/h / 11 mph | |
| Air quality (US AQI) | 41 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Sunny Beach in May
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.
Shoulder seasonschool holidays in 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Sunny Beach's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherSunny Beach's weather peaks July–September, best around August.
Best weatherFair weatherToughest weather
What's on in Sunny Beach in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
The resort opens
10 May – 10 Jun · usuallySummer season opensThe strip comes back to life through May: hotels reopen in sequence, the beach concessions put the loungers out and the charter flights restart. Early in the month half of it is still shuttered. Source ↗
Nearby, and something's on
Within 300 km of Sunny Beach — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Sunny Beach?
Sunny Beach in May — FAQ
- Is May a good time to visit Sunny Beach?
- May in Sunny Beach: nice, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for Sunny Beach on SeasonMap's comfort score (79/100).
- What is the weather like in Sunny Beach in May?
- In May, Sunny Beach averages a daily high of 21.3°C and a low of 12.4°C, with about 53.9 mm of rain over roughly 10 rainy days.
- What is the air quality in Sunny Beach in May?
- Sunny Beach has a mean US Air Quality Index of about 41 in May.
Other months in Sunny Beach
Compare Sunny Beach in May
Warmer or cooler than Sunny Beach in May
Similar destinations in Eastern Europe — May
Within 300 km: Istanbul's Istanbul Music Festival around 30 May – 30 Jun, and Bucharest's Orthodox Easter around 5 Apr – 10 May.