Bilecik weather in October

In October, Bilecik sees average daytime highs of 21°C and overnight lows near 10°C, with 44 mm of rain across 7.1 wet days and about 10.9 hours of daylight. It is the 6th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 18°C by the end. The sky is clear or mostly clear about 41% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 36 min at the start of October to 10 h 18 min by month's end. Set against the rest of the year, October is Bilecik's 6th-clearest and 12th-windiest month. For the whole year in context, see Bilecik's year-round climate.

Daytime high
21°
6th warmest
Overnight low
10°
7th coldest
Rainfall
44 mm
7.1 wet days
Daylight
10 h 54 min
6:18 AM – 5:13 PM
Cloud cover
50%
6th clearest
Wind
6 km/h
12th windiest
Solar energy
3.18 kWh/m²
Travel score
7.1
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 October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 18°C by the end.

A typical October day in Bilecik reaches about 21°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 27°C. Set against its neighbours, October runs about 6°C cooler than September and about 7°C warmer than November.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12412
22412
32412
42412
52411
62311
72311
82311
92311
102311
112211
122211
132211
142210
152210
162110
172110
182110
192110
20209
21209
22209
23209
24199
25198
26198
27188
28188
29187
30187
31187

How October really feels in Bilecik

Once humidity and wind are folded in, October 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

October 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 October compares with the rest of the year at a glance. October is the 6th-warmest and 7th-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 October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
26931
36931
46832
56733
66733
76535
86436
96337
106238
116238
126139
136040
145842
155743
165644
175644
185545
195446
205446
215347
225347
235347
245347
255248
265248
275248
285248
295248
305248
315248

Chance of precipitation in October

Any precipitation

Bilecik gets around 44 mm of rain over 7.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 26% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
120
220
320
420
520
620
720
820
920
1020
1120
1220
1321
1421
1522
1622
1723
1823
1924
2025
2125
2225
2326
2426
2526
2626
2725
2825
2925
3024
3124

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, October lands in the dry band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
177203
277203
378193
479183
580182
681172
781172
882162
982162
1083152
1183152
1284142
1384142
1485132
1587121
1687121
1788111
1888111
1989101
209190
219280
229280
239370
249460
259460
269550
279640
289640
299730
309730
319820

Wind in October

Winds average 6 km/h in October, the calmest month.

Across October, daily wind ranges from about 6 km/h on the calmest days to 6 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
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 36 min at the start of October to 10 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over October. Sunrise moves from 6:02 AM to 6:35 AM, and sunset from 5:37 PM to 4:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:025:37
211.56:035:35
311.56:045:33
411.46:055:32
511.46:065:30
611.46:075:28
711.36:085:27
811.36:095:25
911.26:105:23
1011.26:115:22
1111.16:125:20
1211.16:135:19
1311.06:145:17
1411.06:155:16
1511.06:165:14
1610.96:185:13
1710.96:195:11
1810.86:205:10
1910.86:215:08
2010.76:225:07
2110.76:235:05
2210.76:245:04
2310.66:255:03
2410.66:275:01
2510.56:285:00
2610.56:294:59
2710.56:304:58
2810.46:314:56
2910.46:324:55
3010.36:334:54
3110.36:354:53

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 3.18 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 — October's 3.18 kWh/m² falls in the middle.

01234151015202531
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.7Moderate
73.6Moderate
83.6Moderate
93.5Moderate
103.5Moderate
113.4Moderate
123.4Moderate
133.3Moderate
143.3Moderate
153.2Moderate
163.2Moderate
173.1Moderate
183.1Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.8Moderate
252.8Moderate
262.8Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.6Moderate
312.6Moderate
Planning a trip in October

Is October a good time to visit Bilecik?

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

7.1
Sightseeing
2nd-best month of the year
4.4
Beach & pool
6th-best month of the year

October is one of the better times to visit Bilecik for general sightseeing.

What to pack for Bilecik in October

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

In October, Bilecik sees daytime highs around 21°C and nights near 10°C. Little to plan around — just the basics. About 7 days see rain.

UV index in Bilecik in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 4 — enough to warrant sun protection. 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 October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October 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
October 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).