Çatalca weather in August

In August, Çatalca sees average daytime highs of 28°C and overnight lows near 22°C, with 22 mm of rain across 4.7 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 28°C in the first days to 27°C by the end. The sky is clear or mostly clear about 77% 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 Çatalca's 2nd-clearest and 2nd-windiest month. For the whole year in context, see Çatalca's year-round climate.

Daytime high
28°
1st warmest
Overnight low
22°
12th coldest
Rainfall
22 mm
4.7 wet days
Daylight
13 h 42 min
5:20 AM – 7:00 PM
Cloud cover
24%
2nd clearest
Wind
17 km/h
2nd windiest
Solar energy
6.14 kWh/m²
Travel score
7.5
out of 10

Çatalca is district of İstanbul, northwestern Turkey.

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 27°C by the end.

A typical August day in Çatalca reaches about 28°C in the afternoon and slips back to 22°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)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152822
162822
172822
182822
192822
202822
212822
222822
232821
242721
252721
262721
272721
282721
292721
302720
312720

How August really feels in Çatalca

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.

Çatalca 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 / 7611.52.89.41.4
Feb / 7011.12.810.41.7
Mar11° / 6910.5111.72.8
Apr15° / 457.5013.15.0
May20° / 14°376.6014.37.1
Jun25° / 18°335.7014.97.9
Jul28° / 21°264.3014.77.8
Aug28° / 22°224.7013.67.5
Sep24° / 18°546.8012.37.7
Oct20° / 14°879.1010.96.4
Nov15° / 10°699.109.74.4
Dec10° / 9312.71.79.12.1

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 15% of August, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1955
2946
3946
4946
5946
6937
7937
8937
9937
10937
11937
12928
13928
14928
15928
16928
17928
18928
19928
20928
21937
22928
23928
24919
25919
269010
279010
289010
298911
308812
318713

Chance of precipitation in August

Any precipitation

Çatalca gets around 22 mm of rain over 4.7 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 (%)
113
214
314
414
515
615
715
815
915
1015
1115
1215
1315
1415
1515
1615
1715
1814
1914
2014
2115
2215
2315
2416
2516
2616
2717
2817
2918
3018
3119

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 44% of days. Sticky, muggy-or-worse air turns up on roughly 60% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1042547231
2052446241
3052446241
4052446241
5052446241
6152446231
7162445232
8162446222
9162546212
10172546202
11172646192
12172646182
13182746172
14182846161
15182946151
16192946141
17193045131
18193145121
191103145121
201103245111
211113245101
221123245100
23112334490
24113334480
25214334380
26316334270
27317334160
28418333960
29619323850
30720323640
31822323440

Wind in August

Winds average 17 km/h in August.

Across August, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3116light 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 5:05 AM to 5:36 AM, and sunset from 7:19 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:057:19
214.25:067:18
314.25:077:17
414.15:087:16
514.15:097:15
614.15:107:13
714.05:117:12
814.05:127:11
913.95:137:10
1013.95:147:08
1113.95:157:07
1213.85:167:06
1313.85:177:04
1413.75:187:03
1513.75:197:01
1613.75:207:00
1713.65:216:59
1813.65:236:57
1913.55:246:56
2013.55:256:54
2113.45:266:53
2213.45:276:51
2313.45:286:49
2413.35:296:48
2513.35:306:46
2613.25:316:45
2713.25:326:43
2813.15:336:41
2913.15:346:40
3013.15:356:38
3113.05:366:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.14 kWh/m².

For context, solar energy here swings from a low near 1.46 kWh/m² to a high of 6.99 kWh/m² in June across the year — August's 6.14 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.6Intense
56.5Intense
66.5Intense
76.5Intense
86.4Intense
96.4Intense
106.4Intense
116.3Intense
126.3Intense
136.3Intense
146.2Intense
156.2Intense
166.2Intense
176.1Intense
186.1Intense
196.0Intense
206.0Intense
216.0Bright
225.9Bright
235.9Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.6Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Çatalca?

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

7.5
Sightseeing
4th-best month of the year
8.2
Beach & pool
2nd-best month of the year

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

What to pack for Çatalca in August

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

In August, Çatalca sees daytime highs around 28°C and nights near 22°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Çatalca in August

The nearest coast averages about 25°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 29 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 10 to Oct 7 — about 3.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec11Bracing

UV index in Çatalca 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 Çatalca peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Çatalca 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 Çatalca is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2015 µg/m³Jul 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar16Moderate
Apr15Moderate
May12Moderate
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Çatalca?

Çatalca sits at 41.1°N, 28.5°E, 64 m above sea level, in Turkey. The nearest listed city is Kavaklı, 12 km away.

Topography around Çatalca

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

Within 3 km, the terrain around Çatalca has significant variations in elevation — a maximum elevation change of 315 m around an average of 110 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 325 m; within 80 km, large variations in elevation — a maximum elevation change of 944 m.

The land around Çatalca is covered by trees (32%), grassland (26%) and cropland (25%) within 3 km, cropland (43%) within 16 km, and water (58%) within 80 km.

3 km
315 m
16 km
325 m
80 km
944 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kavaklı 12 km · Tepecik 15 km · Mimarsinan 16 km · Büyükçekmece 17 km · Silivri 19 km · Gürpınar 21 km · Esenyurt 22 km · Beylikdüzü 23 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 Çatalca (41.1407°, 28.4597°, elevation 64 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).