Nessebar in Summer
In summer (June, July and August), Nessebar sees average daytime highs around 26°C and overnight lows near 19°C, with 117 mm of rain over about 19 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 22°C in early June to 26°C by late August. The sky is clear or mostly clear about 66% of the time across summer, and the air most often feels muggy.
Summer is Nessebar's best season of the year to visit on our travel score. For the whole year in context, see Nessebar's year-round climate.
- Avg daytime high
- 26°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 117 mm
- 19 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Nessebar in Summer
Over the season highs climb from about 22°C in early June to 26°C by late August.
A typical summer day in Nessebar reaches about 26°C and drops to 19°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Nessebar
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Nessebar weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 6° / 1° | 55 | 7.8 | 2.7 | 9.2 | 0.5 |
| Feb | 7° / 2° | 47 | 7.5 | 2.6 | 10.3 | 1.0 |
| Mar | 10° / 4° | 53 | 9 | 1.1 | 11.6 | 2.4 |
| Apr | 14° / 8° | 43 | 8.1 | 0.1 | 13.1 | 4.3 |
| May | 19° / 13° | 44 | 8.4 | 0 | 14.4 | 6.6 |
| Jun | 24° / 18° | 46 | 7.4 | 0 | 15.1 | 7.6 |
| Jul | 27° / 20° | 39 | 6.5 | 0 | 14.8 | 7.6 |
| Aug | 27° / 20° | 31 | 4.6 | 0 | 13.7 | 7.9 |
| Sep | 23° / 17° | 62 | 6.7 | 0 | 12.3 | 7.6 |
| Oct | 18° / 12° | 62 | 7.5 | 0 | 10.8 | 5.9 |
| Nov | 12° / 8° | 49 | 6.9 | 0.4 | 9.6 | 3.6 |
| Dec | 8° / 3° | 61 | 9.3 | 2.4 | 8.9 | 1.2 |
Cloud cover in Summer
The sky is clear or mostly clear about 66% of the time across summer.
Chance of precipitation in Summer
Nessebar gets around 117 mm of rain over 19 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 11 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 54 min in early June to 13 h 06 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.5 kWh/m².
Is summer a good time to visit Nessebar?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is one of the better times to visit Nessebar for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nessebar in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nessebar sees daytime highs around 26°C and nights near 19°C. Pack sun protection. Worth having: light clothes. About 19 days see rain.
Sea temperature near Nessebar in Summer
The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 25°C and coldest in February near 7°C.
It's comfortable for a long swim from Jun 10 to Oct 5 — about 3.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 8 | 7 | 7 | 10 | 16 | 21 | 24 | 25 | 23 | 19 | 14 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 8 | Bracing |
| Feb | 7 | Bracing |
| Mar | 7 | Bracing |
| Apr | 10 | Bracing |
| May | 16 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 14 | Bracing |
| Dec | 10 | Bracing |
UV index in Nessebar in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nessebar peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 7 | 6 | 8 | 9 | 8 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | Very high |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Nessebar in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Nessebar is worst in March — around 15 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 15 | 13 | 12 | 11 | 10 | 10 | 9 | 9 | 9 | 8 |
| Level | Good | Good | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Good |
| Mar | 15 | Moderate |
| Apr | 13 | Moderate |
| May | 12 | Good |
| Jun | 11 | Good |
| Jul | 10 | Good |
| Aug | 10 | Good |
| Sep | 9 | Good |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
Where is Nessebar?
Nessebar sits at 42.7°N, 27.7°E, 0 m above sea level, in Bulgaria. The nearest listed city is Burgas, 28 km away.
Topography around Nessebar
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nessebar.
Within 3 km, the terrain around Nessebar has only modest variations in elevation — a maximum elevation change of 30 m around an average of 2 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 474 m; within 80 km, large variations in elevation — a maximum elevation change of 809 m.
The land around Nessebar is covered by water (84%) within 3 km, water (52%) and trees (20%) within 16 km, and trees (36%), water (30%) and cropland (23%) within 80 km.
Bulgaria travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 23% of US
- price level, 2025
- GDP per capita
- $20,328
- 2025
- Happiness
- 5.7 / 10
- World Happiness, 2025
- Safe drinking water
- 96%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2023
- Road deaths
- 9.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 594
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Nessebar (42.6592°, 27.736°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.