Bilecik weather in August

In August, Bilecik sees average daytime highs of 30°C and overnight lows near 18°C, with 13 mm of rain across 3.2 wet days and about 13.6 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 77% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 06 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Bilecik's 2nd-clearest and 1st-windiest month. For the whole year in context, see Bilecik's year-round climate.

Daytime high
30°
1st warmest
Overnight low
18°
12th coldest
Rainfall
13 mm
3.2 wet days
Daylight
13 h 36 min
5:16 AM – 6:52 PM
Cloud cover
23%
2nd clearest
Wind
7 km/h
1st windiest
Solar energy
6.12 kWh/m²
Travel score
6.1
out of 10

Bilecik is central district and city in Bilecik Province, Turkey.

Air quality
Elevated
PM2.5 17.5 µg/m³ · 2019

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 Bilecik reaches about 30°C in the afternoon and slips back to 18°C overnight — a 13°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 4°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13118
23118
33118
43118
53118
63118
73118
83118
93118
103118
113118
123118
133118
143118
153118
163118
173118
183018
193018
203018
213017
223017
233017
243017
253017
263017
273017
282917
292916
302916
312916

How August really feels in Bilecik

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.

Bilecik 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 / -0°5810.35.49.51.0
Feb / 5310.24.610.41.9
Mar13° / 6411.22.911.73.4
Apr18° / 5610.50.6135.7
May23° / 11°499.4014.27.1
Jun27° / 15°387.7014.87.1
Jul30° / 17°153.8014.66.3
Aug30° / 18°133.2013.66.1
Sep27° / 14°245012.37.7
Oct21° / 10°447.1010.97.1
Nov15° / 447.81.19.84.7
Dec / 6210.33.89.21.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 77% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3937
4937
5937
6928
7928
8919
9919
10919
11919
129010
139010
149010
159010
169010
178911
188911
198911
208911
218911
228911
238911
248911
258911
268911
278911
288911
298911
308713
318713

Chance of precipitation in August

Any precipitation

Bilecik gets around 13 mm of rain over 3.2 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 11% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
18
28
38
48
59
69
79
89
910
1010
1110
1210
1310
1410
1511
1611
1711
1811
1911
2011
2111
2211
2311
2412
2512
2612
2713
2813
2913
3013
3114

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
111304316
211294416
311284416
411284516
511284616
611284616
711284615
811284714
911284713
1012284712
1112294712
1213304711
1313304710
141331469
151432459
161433448
171534438
181535427
191636417
201637406
211738396
221739386
231840375
241940365
252041345
262141335
272341324
282441314
292641293
302840283
313140273

Wind in August

Winds average 7 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
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 06 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 66 minutes over August. Sunrise moves from 5:02 AM to 5:31 AM, and sunset from 7:11 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:027:11
214.15:037:10
314.15:047:08
414.05:047:07
514.05:057:06
614.05:067:05
713.95:077:04
813.95:087:03
913.95:097:01
1013.85:107:00
1113.85:116:59
1213.85:126:58
1313.75:136:56
1413.75:146:55
1513.65:156:54
1613.65:166:52
1713.65:176:51
1813.55:186:49
1913.55:196:48
2013.45:206:46
2113.45:216:45
2213.45:226:43
2313.35:236:42
2413.35:246:40
2513.25:256:39
2613.25:266:37
2713.15:276:36
2813.15:286:34
2913.15:296:33
3013.05:306:31
3113.05:316:29

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.12 kWh/m².

For context, solar energy here swings from a low near 1.63 kWh/m² to a high of 6.89 kWh/m² in July across the year — August's 6.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.5Intense
46.5Intense
56.5Intense
66.5Intense
76.4Intense
86.4Intense
96.4Intense
106.3Intense
116.3Intense
126.3Intense
136.2Intense
146.2Intense
156.2Intense
166.1Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.5Bright
Planning a trip in August

Is August a good time to visit Bilecik?

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

6.1
Sightseeing
6th-best month of the year
8.4
Beach & pool
1st-best month of the year

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

What to pack for Bilecik in August

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

In August, Bilecik sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. About 3 days see rain.

light clothessun protection

UV index in Bilecik in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 Bilecik peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateLowAug 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr7Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct4Moderate
Nov3Moderate
Dec2Low

Air quality in Bilecik 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 Bilecik is worst in March — around 24 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 13 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Bilecik's WHO annual average of 17.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2324 µg/m³Dec 1913 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar24Moderate
Apr24Moderate
May24Moderate
Jun19Moderate
Jul15Moderate
Aug16Moderate
Sep15Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Bilecik?

Bilecik sits at 40.1°N, 30.0°E, 517 m above sea level, in Turkey. The nearest listed city is Osmaneli, 24 km away.

Topography around Bilecik

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

Within 3 km, the terrain around Bilecik has significant variations in elevation — a maximum elevation change of 481 m around an average of 500 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,136 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,526 m.

The land around Bilecik is covered by trees (34%) and grassland (32%) within 3 km, trees (55%) and grassland (22%) within 16 km, and trees (54%) and grassland (21%) within 80 km.

3 km
481 m
16 km
1,136 m
80 km
2,526 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Osmaneli 24 km · Bozüyük 26 km · Yenişehir 31 km · İznik 39 km · İnegol 40 km · Akhisar 44 km · Geyve 49 km · Eskişehir 61 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%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 Bilecik (40.1419°, 29.9793°, elevation 517 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).