Varna in Summer
In summer (June, July and August), Varna sees average daytime highs around 25°C and overnight lows near 20°C, with 122 mm of rain over about 22 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 21°C in early June to 25°C by late August. The sky is clear or mostly clear about 66% of the time across summer, and the air most often feels humid.
Summer is Varna's best season of the year to visit on our travel score. For the whole year in context, see Varna's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 122 mm
- 22 wet days
- Avg wind
- 13 km/h
- Travel score
- 7.7
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Varna in Summer
Over the season highs climb from about 21°C in early June to 25°C by late August.
A typical summer day in Varna reaches about 25°C and drops to 20°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Varna
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.
Varna 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 | 5° / 1° | 46 | 7 | 3.2 | 9.2 | 0.1 |
| Feb | 6° / 2° | 38 | 6.3 | 2.5 | 10.2 | 0.5 |
| Mar | 9° / 4° | 47 | 8.4 | 1.6 | 11.6 | 1.7 |
| Apr | 13° / 8° | 39 | 8.3 | 0.1 | 13.2 | 3.6 |
| May | 18° / 13° | 44 | 9.3 | 0 | 14.4 | 6.1 |
| Jun | 23° / 18° | 49 | 9 | 0 | 15.1 | 7.3 |
| Jul | 26° / 20° | 40 | 7 | 0 | 14.9 | 7.7 |
| Aug | 26° / 21° | 33 | 5.9 | 0 | 13.8 | 8.0 |
| Sep | 22° / 17° | 49 | 5.9 | 0 | 12.3 | 7.6 |
| Oct | 17° / 12° | 56 | 7.5 | 0.1 | 10.8 | 5.7 |
| Nov | 12° / 8° | 49 | 7 | 0.6 | 9.5 | 3.1 |
| Dec | 7° / 3° | 50 | 8.1 | 2.1 | 8.9 | 0.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 66% of the time across summer.
Chance of precipitation in Summer
Varna gets around 122 mm of rain over 22 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 13 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 15 hours 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 6.3 kWh/m².
Is summer a good time to visit Varna?
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 Varna for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Varna in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Varna sees daytime highs around 25°C and nights near 20°C. Pack sun protection. Worth having: light clothes and rain gear. About 22 days see rain.
Sea temperature near Varna in Summer
The nearest coast averages about 23°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 20 km away) is warmest in August at about 25°C and coldest in February near 6°C.
It's comfortable for a long swim from Jun 10 to Oct 3 — about 3.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 7 | 6 | 7 | 10 | 16 | 21 | 24 | 25 | 22 | 18 | 14 | 10 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 7 | Bracing |
| Feb | 6 | Bracing |
| Mar | 7 | Bracing |
| Apr | 10 | Bracing |
| May | 16 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 22 | Refreshing |
| Oct | 18 | Cool |
| Nov | 14 | Bracing |
| Dec | 10 | Bracing |
UV index in Varna 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 Varna peaks around July 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 | 8 | 8 | 6 | 3 | 2 | 1 |
| Level | Low | Low | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Low |
| Mar | 4 | Moderate |
| Apr | 7 | Very high |
| May | 6 | High |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Air quality in Varna 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 Varna is worst in March — around 26 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 13 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Varna's WHO annual average of 18.6 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 17 | 20 | 26 | 23 | 20 | 20 | 18 | 17 | 16 | 17 | 15 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 20 | Moderate |
| Mar | 26 | Moderate |
| Apr | 23 | Moderate |
| May | 20 | Moderate |
| Jun | 20 | Moderate |
| Jul | 18 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 17 | Moderate |
| Nov | 15 | Moderate |
| Dec | 13 | Moderate |
Where is Varna?
Varna sits at 43.2°N, 27.9°E, 83 m above sea level, in Bulgaria. The nearest listed city is Asparuhovo, 5.0 km away.
Topography around Varna
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Varna.
Within 3 km, the terrain around Varna has significant variations in elevation — a maximum elevation change of 317 m around an average of 80 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 363 m; within 80 km, large variations in elevation — a maximum elevation change of 726 m.
The land around Varna is covered by artificial surfaces (55%) and trees (28%) within 3 km, trees (33%) and water (30%) within 16 km, and cropland (41%), water (28%) and trees (21%) 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 Varna (43.2191°, 27.9102°, elevation 83 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.