Harmanli weather in August

In August, Harmanli sees average daytime highs of 31°C and overnight lows near 18°C, with 28 mm of rain across 4.4 wet days and about 13.7 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 72% of the time in August, and the air most often feels comfortable.

Daylight stretches from about 14 h 18 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Harmanli's 1st-clearest and 4th-windiest month. For the whole year in context, see Harmanli's year-round climate.

Daytime high
31°
1st warmest
Overnight low
18°
12th coldest
Rainfall
28 mm
4.4 wet days
Daylight
13 h 42 min
5:29 AM – 7:12 PM
Cloud cover
27%
1st clearest
Wind
9 km/h
4th windiest
Solar energy
5.99 kWh/m²
Travel score
5.7
out of 10

Harmanli is city in Harmanli municipality, Haskovo oblast, Bulgaria.

Density
368/km²
people per km²

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 31°C in the first days to 29°C by the end.

A typical August day in Harmanli reaches about 31°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, August runs on par with July and about 5°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13119
23119
33119
43119
53119
63119
73119
83119
93119
103119
113119
123119
133119
143119
153119
163119
173119
183118
193118
203118
213118
223018
233018
243018
253018
263018
273017
282917
292917
302917
312917

How August really feels in Harmanli

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.

Harmanli weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°517.33.19.30.4
Feb / 497.32.410.31.6
Mar12° / 608.81.911.73.5
Apr18° / 548.90.313.15.8
May23° / 12°6711.3014.36.7
Jun27° / 16°559.40156.5
Jul30° / 18°506.6014.75.6
Aug31° / 18°284.4013.75.7
Sep26° / 14°415.6012.37.7
Oct19° / 10°606.40.110.96.7
Nov13° / 546.50.89.63.8
Dec / 627.82.591.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58911
68911
7919
8919
99010
109010
119010
129010
139010
14919
15919
16919
17919
18919
19919
20928
21928
22928
23919
24919
259010
269010
278911
288812
298713
308614
318515

Chance of precipitation in August

Any precipitation

Harmanli gets around 28 mm of rain over 4.4 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 19% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
119
219
319
418
518
617
717
816
916
1015
1115
1215
1315
1414
1514
1614
1713
1813
1913
2013
2113
2213
2313
2413
2513
2614
2714
2814
2915
3015
3116

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the comfortable band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
183841130
283841131
383941121
483940121
584040121
684039111
794138111
894238101
9104337101
1011443691
1111453591
1212453480
1313463370
1414473270
1515473170
1616483060
1717482960
1818482850
1919482850
2020482840
2122482740
2223472730
2325462730
2426442720
2528432620
2630422620
2732412520
2834392520
2936382420
3038372320
3140362210

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 18 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over August. Sunrise moves from 5:14 AM to 5:45 AM, and sunset from 7:31 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.35:147:31
214.35:157:30
314.25:167:29
414.25:177:28
514.15:187:27
614.15:197:25
714.15:207:24
814.05:217:23
914.05:227:22
1014.05:237:20
1113.95:247:19
1213.95:257:17
1313.85:267:16
1413.85:277:15
1513.75:287:13
1613.75:297:12
1713.75:307:10
1813.65:317:09
1913.65:327:07
2013.55:347:06
2113.55:357:04
2213.45:367:02
2313.45:377:01
2413.45:386:59
2513.35:396:58
2613.35:406:56
2713.25:416:54
2813.25:426:53
2913.15:436:51
3013.15:446:49
3113.05:456:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.99 kWh/m².

For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.62 kWh/m² in June across the year — August's 5.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.1Intense
116.1Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Harmanli?

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

5.7
Sightseeing
6th-best month of the year
8.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit Harmanli for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Harmanli in August

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

In August, Harmanli sees daytime highs around 31°C and nights near 18°C. Pack light clothes. Worth having: sun protection. About 4 days see rain.

light clothessun protection

UV index in Harmanli 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 Harmanli peaks around July 17 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highVery highHighModerateLowJul 17UV 9Dec 23UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Harmanli in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Harmanli 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1916 µg/m³Sep 1810 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb14Moderate
Mar16Moderate
Apr15Moderate
May14Moderate
Jun13Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov11Good
Dec11Good
Location & terrain

Where is Harmanli?

Harmanli sits at 41.9°N, 25.9°E, 61 m above sea level, in Bulgaria. The nearest listed city is Dimitrovgrad, 28 km away.

SvilengradKardzhaliChirpanStara ZagoraParvomayEdirne

Topography around Harmanli

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

Within 3 km, the terrain around Harmanli has only modest variations in elevation — a maximum elevation change of 178 m around an average of 114 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 361 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,691 m.

The land around Harmanli is covered by trees (29%), grassland (29%) and cropland (27%) within 3 km, cropland (34%), grassland (32%) and trees (31%) within 16 km, and cropland (42%), trees (35%) and grassland (20%) within 80 km.

3 km
178 m
16 km
361 m
80 km
1,691 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Dimitrovgrad 28 km · Haskovo 29 km · Svilengrad 31 km · Kardzhali 55 km · Chirpan 56 km · Stara Zagora 60 km · Parvomay 60 km · Edirne 61 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 Harmanli (41.9323°, 25.9017°, elevation 61 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).