Svilengrad in Summer
In summer (June, July and August), Svilengrad sees average daytime highs around 30°C and overnight lows near 18°C, with 97 mm of rain over about 17 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 26°C in early June to 30°C by late August. The sky is clear or mostly clear about 66% of the time across summer, and the air most often feels comfortable.
Summer is Svilengrad's 3rd-best season to visit on our travel score. For the whole year in context, see Svilengrad's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 18°C
- Rainfall
- 97 mm
- 17 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Svilengrad in Summer
Over the season highs climb from about 26°C in early June to 30°C by late August.
A typical summer day in Svilengrad reaches about 30°C and drops to 18°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Svilengrad
Once humidity and wind are folded in, summer brings about 23 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Svilengrad 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 | 7° / -0° | 54 | 7.4 | 2.7 | 9.3 | 1.0 |
| Feb | 9° / 1° | 49 | 6.9 | 2 | 10.3 | 2.0 |
| Mar | 13° / 4° | 57 | 8.6 | 1.4 | 11.7 | 3.8 |
| Apr | 18° / 8° | 46 | 7.8 | 0.1 | 13.1 | 6.1 |
| May | 24° / 12° | 52 | 9 | 0 | 14.3 | 7.1 |
| Jun | 28° / 17° | 41 | 7.9 | 0 | 15 | 6.3 |
| Jul | 31° / 19° | 36 | 5.5 | 0 | 14.7 | 5.1 |
| Aug | 32° / 19° | 20 | 3.5 | 0 | 13.7 | 5.1 |
| Sep | 27° / 15° | 30 | 4.3 | 0 | 12.3 | 7.5 |
| Oct | 20° / 10° | 63 | 5.9 | 0.1 | 10.9 | 7.1 |
| Nov | 14° / 6° | 57 | 6.5 | 0.4 | 9.6 | 4.4 |
| Dec | 8° / 1° | 64 | 8.2 | 2.3 | 9 | 1.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 66% of the time across summer.
Chance of precipitation in Summer
Svilengrad gets around 97 mm of rain over 17 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 9 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 48 min in early June to 13 hours 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 Svilengrad?
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 a reasonable time to visit Svilengrad for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Svilengrad in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Svilengrad sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. About 17 days see rain.
UV index in Svilengrad in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Svilengrad peaks around July 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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) | 2 | 2 | 4 | 8 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 8 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Svilengrad 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 Svilengrad is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (September, 10 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) | 14 | 14 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 11 | 11 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 14 | Moderate |
| Mar | 16 | Moderate |
| Apr | 15 | Moderate |
| May | 14 | Moderate |
| Jun | 13 | Moderate |
| Jul | 12 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Svilengrad?
Svilengrad sits at 41.8°N, 26.2°E, 60 m above sea level, in Bulgaria. The nearest listed city is Harmanli, 31 km away.
Topography around Svilengrad
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Svilengrad.
Within 3 km, the terrain around Svilengrad has only modest variations in elevation — a maximum elevation change of 115 m around an average of 66 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 651 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,242 m.
The land around Svilengrad is covered by cropland (47%) and grassland (22%) within 3 km, cropland (46%), trees (26%) and grassland (25%) within 16 km, and cropland (46%), trees (31%) and grassland (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 Svilengrad (41.7684°, 26.1977°, elevation 60 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.