Sofia weather in August

In August, Sofia sees average daytime highs of 26°C and overnight lows near 14°C, with 35 mm of rain across 7.2 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 25°C by the end. The sky is clear or mostly clear about 63% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 24 min at the start of August to 13 h 06 min by month's end. Set against the rest of the year, August is Sofia's 1st-clearest and 12th-windiest month. For the whole year in context, see Sofia's year-round climate.

Daytime high
26°
1st warmest
Overnight low
14°
12th coldest
Rainfall
35 mm
7.2 wet days
Daylight
13 h 48 min
5:38 AM – 7:23 PM
Cloud cover
34%
1st clearest
Wind
7 km/h
12th windiest
Solar energy
5.72 kWh/m²
Travel score
7.5
out of 10

Sofia is capital city of Bulgaria.

Air quality
Good
PM2.5 8.9 µg/m³ · 2019
Density
2,342/km²
people per km²
Founded
~390 BCE

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 25°C by the end.

A typical August day in Sofia reaches about 26°C in the afternoon and slips back to 14°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 31°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12615
22715
32715
42715
52715
62715
72715
82714
92714
102714
112714
122714
132714
142714
152714
162714
172614
182614
192614
202614
212614
222614
232613
242613
252613
262513
272513
282513
292513
302512
312412

How August really feels in Sofia

Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sofia weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°397.65.79.20.0
Feb / -4°397.4610.30.3
Mar10° / -0°5410.55.411.62.1
Apr15° / 5811.41.613.14.2
May19° / 7013.50.114.45.7
Jun23° / 12°6311.7015.16.7
Jul26° / 14°519.7014.87.1
Aug26° / 14°357.2013.77.5
Sep22° / 10°356.5012.37.4
Oct16° / 466.90.710.85.4
Nov / 366.72.49.62.2
Dec / -3°458.65.68.90.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 20%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37822
47921
58020
68020
78020
88020
98119
108218
118218
128218
138218
148317
158317
168317
178317
188317
198317
208218
218218
228218
238119
248020
257921
267921
277822
287624
297525
307525
317327

Chance of precipitation in August

Any precipitation

Sofia gets around 35 mm of rain over 7.2 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 24% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
430
530
629
728
827
927
1026
1125
1225
1324
1423
1523
1622
1721
1821
1920
2020
2120
2220
2320
2420
2520
2620
2721
2821
2921
3022
3122

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the dry band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
1285715
2285715
3285715
4295615
5305515
6315514
7335314
8345313
9365212
10385012
11395011
12414910
1343489
1445479
1547458
1649447
1751436
1853425
1955405
2057394
2158384
2260373
2362353
2464342
2566322
2667312
2770291
2871281
2973261
3074251
3175241

Wind in August

Winds average 7 km/h in August, the calmest month.

Across August, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 24 min at the start of August to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:22 AM to 5:55 AM, and sunset from 7:44 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.45:227:44
214.35:237:42
314.35:247:41
414.25:257:40
514.25:267:39
614.25:277:37
714.15:287:36
814.15:297:35
914.05:317:33
1014.05:327:32
1114.05:337:31
1213.95:347:29
1313.95:357:28
1413.85:367:26
1513.85:377:25
1613.85:387:23
1713.75:397:22
1813.75:407:20
1913.65:417:19
2013.65:437:17
2113.55:447:16
2213.55:457:14
2313.45:467:12
2413.45:477:11
2513.35:487:09
2613.35:497:07
2713.35:507:06
2813.25:517:04
2913.25:537:02
3013.15:547:00
3113.15:556:59

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.72 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 6.24 kWh/m² in July across the year — August's 5.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
95.9Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.4Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.1Bright
Planning a trip in August

Is August a good time to visit Sofia?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.5
Sightseeing
1st-best month of the year
7.2
Beach & pool
1st-best month of the year

August is one of the better times to visit Sofia for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sofia in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Sofia sees daytime highs around 26°C and nights near 14°C. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Sofia in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 Sofia peaks around July 11 at about 9 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 11UV 9Dec 21UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Sofia?

Sofia sits at 42.7°N, 23.3°E, 562 m above sea level, in Bulgaria. The nearest listed city is Pernik, 26 km away.

SamokovBotevgradDupnitsaVratsaBerkovitsaKyustendilPanagyurishte

Topography around Sofia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sofia.

Within 3 km, the terrain around Sofia has only modest variations in elevation — a maximum elevation change of 97 m around an average of 554 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,775 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,775 m.

The land around Sofia is covered by artificial surfaces (68%) and trees (29%) within 3 km, cropland (33%) and trees (31%) within 16 km, and trees (64%) and grassland (21%) within 80 km.

3 km
97 m
16 km
1,775 m
80 km
2,775 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Pernik 26 km · Samokov 44 km · Botevgrad 45 km · Dupnitsa 51 km · Vratsa 60 km · Berkovitsa 62 km · Kyustendil 69 km · Panagyurishte 74 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
Christian 65%Muslim 10%none 5%other 0%

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 Sofia (42.6975°, 23.3241°, elevation 562 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).