Yalova weather in August

In August, Yalova sees average daytime highs of 27°C and overnight lows near 21°C, with 26 mm of rain across 3.4 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 26°C by the end. The sky is clear or mostly clear about 84% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Yalova's 2nd-clearest and 1st-windiest month. For the whole year in context, see Yalova's year-round climate.

Daytime high
27°
1st warmest
Overnight low
21°
12th coldest
Rainfall
26 mm
3.4 wet days
Daylight
13 h 36 min
5:18 AM – 6:56 PM
Cloud cover
19%
2nd clearest
Wind
13 km/h
1st windiest
Solar energy
5.96 kWh/m²
Travel score
8.2
out of 10

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

Air quality
Elevated
PM2.5 18 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 28°C in the first days to 26°C by the end.

A typical August day in Yalova reaches about 27°C in the afternoon and slips back to 21°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32822
42822
52822
62822
72822
82822
92822
102821
112821
122821
132821
142821
152821
162821
172821
182821
192721
202721
212721
222721
232721
242721
252721
262721
272720
282720
292620
302620
312620

Yalova 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 / 9012.63.99.41.3
Feb / 7211.83.110.41.6
Mar11° / 7610.61.511.72.7
Apr15° / 528.60.113.14.8
May20° / 14°396.7014.27.1
Jun25° / 18°386.1014.98.0
Jul27° / 21°243.9014.68.2
Aug27° / 21°263.4013.68.2
Sep24° / 18°486.5012.38.0
Oct19° / 15°739.1010.96.4
Nov14° / 10°749.90.39.74.3
Dec10° / 10012.929.12.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 9% of August, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1973
2973
3955
4955
5955
6955
7946
8946
9946
10946
11946
12946
13946
14946
15928
16928
17928
18937
19937
20937
21937
22937
23937
24937
25937
26937
27937
28937
29928
30928
31928

Chance of precipitation in August

Any precipitation

Yalova gets around 26 mm of rain over 3.4 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 11% and peaks near 17% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
510
610
710
810
910
1010
1110
1210
1310
1410
1510
1610
1710
1811
1911
2011
2111
2211
2312
2412
2513
2613
2714
2815
2915
3016
3117

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
104285018
204275118
304275118
404265218
504265218
605265217
715265117
815265216
915275215
1016275214
1116285114
1216285213
1317295112
1417305111
1517315110
161832509
171833509
181834508
190835497
200835497
211936496
221937486
231937485
2411037474
2511137474
2621237463
2721337443
2831537433
2931637422
3041737402
3151937381

Wind in August

Winds average 13 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 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 72 minutes over August. Sunrise moves from 5:03 AM to 5:33 AM, and sunset from 7:15 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:037:15
214.25:047:14
314.15:057:12
414.15:067:11
514.15:077:10
614.05:087:09
714.05:097:08
813.95:107:07
913.95:117:05
1013.95:127:04
1113.85:137:03
1213.85:147:01
1313.85:157:00
1413.75:166:59
1513.75:176:57
1613.65:186:56
1713.65:196:54
1813.55:206:53
1913.55:216:52
2013.55:226:50
2113.45:236:49
2213.45:246:47
2313.35:256:46
2413.35:266:44
2513.35:276:42
2613.25:286:41
2713.25:296:39
2813.15:306:38
2913.15:316:36
3013.05:326:34
3113.05:336:33

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.96 kWh/m².

For context, solar energy here swings from a low near 1.47 kWh/m² to a high of 6.77 kWh/m² in July across the year — August's 5.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.4Intense
36.4Intense
46.4Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
185.9Bright
195.9Bright
205.8Bright
215.8Bright
225.7Bright
235.7Bright
245.7Bright
255.6Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in August

Is August a good time to visit Yalova?

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

8.2
Sightseeing
1st-best month of the year
8.4
Beach & pool
1st-best month of the year

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

What to pack for Yalova in August

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

In August, Yalova sees daytime highs around 27°C and nights near 21°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

Sea temperature near Yalova in August

The nearest coast averages about 24°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 13 km away) is warmest in August at about 24°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 12 to Oct 6 — about 3.8 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar9Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul23Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index in Yalova 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 Yalova peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 17UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Yalova 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 Yalova is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Yalova's WHO annual average of 18 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2325 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb19Moderate
Mar25Moderate
Apr24Moderate
May23Moderate
Jun19Moderate
Jul15Moderate
Aug15Moderate
Sep15Moderate
Oct15Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Yalova?

Yalova sits at 40.7°N, 29.3°E, 9 m above sea level, in Turkey. The nearest listed city is Orhangazi, 19 km away.

Topography around Yalova

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

Within 3 km, the terrain around Yalova has only modest variations in elevation — a maximum elevation change of 98 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 918 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Yalova is covered by artificial surfaces (36%) and water (36%) within 3 km, water (43%) and trees (37%) within 16 km, and trees (44%) and water (32%) within 80 km.

3 km
98 m
16 km
918 m
80 km
2,553 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Orhangazi 19 km · Gebze 21 km · Gemlik 27 km · Karamürsel 29 km · Maltepe 33 km · Sultanbeyli 34 km · Sancaktepe 39 km · Ataşehir 39 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 Yalova (40.655°, 29.2769°, elevation 9 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).