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
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 22 |
| 2 | 28 | 22 |
| 3 | 28 | 22 |
| 4 | 28 | 22 |
| 5 | 28 | 22 |
| 6 | 28 | 22 |
| 7 | 28 | 22 |
| 8 | 28 | 22 |
| 9 | 28 | 22 |
| 10 | 28 | 22 |
| 11 | 28 | 22 |
| 12 | 28 | 22 |
| 13 | 28 | 22 |
| 14 | 28 | 22 |
| 15 | 28 | 22 |
| 16 | 28 | 22 |
| 17 | 28 | 22 |
| 18 | 28 | 22 |
| 19 | 28 | 22 |
| 20 | 28 | 22 |
| 21 | 28 | 22 |
| 22 | 28 | 22 |
| 23 | 28 | 21 |
| 24 | 27 | 21 |
| 25 | 27 | 21 |
| 26 | 27 | 21 |
| 27 | 27 | 21 |
| 28 | 27 | 21 |
| 29 | 27 | 21 |
| 30 | 27 | 20 |
| 31 | 27 | 20 |
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.
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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 8° / 4° | 76 | 11.5 | 2.8 | 9.4 | 1.4 |
| Feb | 9° / 4° | 70 | 11.1 | 2.8 | 10.4 | 1.7 |
| Mar | 11° / 6° | 69 | 10.5 | 1 | 11.7 | 2.8 |
| Apr | 15° / 9° | 45 | 7.5 | 0 | 13.1 | 5.0 |
| May | 20° / 14° | 37 | 6.6 | 0 | 14.3 | 7.1 |
| Jun | 25° / 18° | 33 | 5.7 | 0 | 14.9 | 7.9 |
| Jul | 28° / 21° | 26 | 4.3 | 0 | 14.7 | 7.8 |
| Aug | 28° / 22° | 22 | 4.7 | 0 | 13.6 | 7.5 |
| Sep | 24° / 18° | 54 | 6.8 | 0 | 12.3 | 7.7 |
| Oct | 20° / 14° | 87 | 9.1 | 0 | 10.9 | 6.4 |
| Nov | 15° / 10° | 69 | 9.1 | 0 | 9.7 | 4.4 |
| Dec | 10° / 6° | 93 | 12.7 | 1.7 | 9.1 | 2.1 |
Cloud cover in August
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 95 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 93 | 92 | 92 | 91 | 91 | 90 | 90 | 90 | 89 | 88 | 87 |
| Cloudier (%) | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 10 | 11 | 12 | 13 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 95 | 5 |
| 2 | 94 | 6 |
| 3 | 94 | 6 |
| 4 | 94 | 6 |
| 5 | 94 | 6 |
| 6 | 93 | 7 |
| 7 | 93 | 7 |
| 8 | 93 | 7 |
| 9 | 93 | 7 |
| 10 | 93 | 7 |
| 11 | 93 | 7 |
| 12 | 92 | 8 |
| 13 | 92 | 8 |
| 14 | 92 | 8 |
| 15 | 92 | 8 |
| 16 | 92 | 8 |
| 17 | 92 | 8 |
| 18 | 92 | 8 |
| 19 | 92 | 8 |
| 20 | 92 | 8 |
| 21 | 93 | 7 |
| 22 | 92 | 8 |
| 23 | 92 | 8 |
| 24 | 91 | 9 |
| 25 | 91 | 9 |
| 26 | 90 | 10 |
| 27 | 90 | 10 |
| 28 | 90 | 10 |
| 29 | 89 | 11 |
| 30 | 88 | 12 |
| 31 | 87 | 13 |
Chance of precipitation in August
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 13 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 18 | 18 | 19 |
| Rain chance (%) | |
|---|---|
| 1 | 13 |
| 2 | 14 |
| 3 | 14 |
| 4 | 14 |
| 5 | 15 |
| 6 | 15 |
| 7 | 15 |
| 8 | 15 |
| 9 | 15 |
| 10 | 15 |
| 11 | 15 |
| 12 | 15 |
| 13 | 15 |
| 14 | 15 |
| 15 | 15 |
| 16 | 15 |
| 17 | 15 |
| 18 | 14 |
| 19 | 14 |
| 20 | 14 |
| 21 | 15 |
| 22 | 15 |
| 23 | 15 |
| 24 | 16 |
| 25 | 16 |
| 26 | 16 |
| 27 | 17 |
| 28 | 17 |
| 29 | 18 |
| 30 | 18 |
| 31 | 19 |
Humidity in August
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 4 | 6 | 7 | 8 |
| Comfortable (%) | 4 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 14 | 16 | 17 | 18 | 19 | 20 | 22 |
| Humid (%) | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 27 | 28 | 29 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 |
| Muggy (%) | 47 | 46 | 46 | 46 | 46 | 46 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 44 | 44 | 43 | 42 | 41 | 39 | 38 | 36 | 34 |
| Oppressive (%) | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 4 | 4 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 4 | 25 | 47 | 23 | 1 |
| 2 | 0 | 5 | 24 | 46 | 24 | 1 |
| 3 | 0 | 5 | 24 | 46 | 24 | 1 |
| 4 | 0 | 5 | 24 | 46 | 24 | 1 |
| 5 | 0 | 5 | 24 | 46 | 24 | 1 |
| 6 | 1 | 5 | 24 | 46 | 23 | 1 |
| 7 | 1 | 6 | 24 | 45 | 23 | 2 |
| 8 | 1 | 6 | 24 | 46 | 22 | 2 |
| 9 | 1 | 6 | 25 | 46 | 21 | 2 |
| 10 | 1 | 7 | 25 | 46 | 20 | 2 |
| 11 | 1 | 7 | 26 | 46 | 19 | 2 |
| 12 | 1 | 7 | 26 | 46 | 18 | 2 |
| 13 | 1 | 8 | 27 | 46 | 17 | 2 |
| 14 | 1 | 8 | 28 | 46 | 16 | 1 |
| 15 | 1 | 8 | 29 | 46 | 15 | 1 |
| 16 | 1 | 9 | 29 | 46 | 14 | 1 |
| 17 | 1 | 9 | 30 | 45 | 13 | 1 |
| 18 | 1 | 9 | 31 | 45 | 12 | 1 |
| 19 | 1 | 10 | 31 | 45 | 12 | 1 |
| 20 | 1 | 10 | 32 | 45 | 11 | 1 |
| 21 | 1 | 11 | 32 | 45 | 10 | 1 |
| 22 | 1 | 12 | 32 | 45 | 10 | 0 |
| 23 | 1 | 12 | 33 | 44 | 9 | 0 |
| 24 | 1 | 13 | 33 | 44 | 8 | 0 |
| 25 | 2 | 14 | 33 | 43 | 8 | 0 |
| 26 | 3 | 16 | 33 | 42 | 7 | 0 |
| 27 | 3 | 17 | 33 | 41 | 6 | 0 |
| 28 | 4 | 18 | 33 | 39 | 6 | 0 |
| 29 | 6 | 19 | 32 | 38 | 5 | 0 |
| 30 | 7 | 20 | 32 | 36 | 4 | 0 |
| 31 | 8 | 22 | 32 | 34 | 4 | 0 |
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 18 | light breeze |
| 10 | 18 | light breeze |
| 11 | 18 | light breeze |
| 12 | 18 | light breeze |
| 13 | 18 | light breeze |
| 14 | 18 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
| 31 | 16 | light breeze |
Sunrise & sunset in August
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 14.2 | 14.2 | 14.2 | 14.1 | 14.1 | 14.1 | 14.0 | 14.0 | 13.9 | 13.9 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.7 | 13.6 | 13.6 | 13.5 | 13.5 | 13.4 | 13.4 | 13.4 | 13.3 | 13.3 | 13.2 | 13.2 | 13.1 | 13.1 | 13.1 | 13.0 |
| Sunrise (AM) | 5:05 | 5:06 | 5:07 | 5:08 | 5:09 | 5:10 | 5:11 | 5:12 | 5:13 | 5:14 | 5:15 | 5:16 | 5:17 | 5:18 | 5:19 | 5:20 | 5:21 | 5:23 | 5:24 | 5:25 | 5:26 | 5:27 | 5:28 | 5:29 | 5:30 | 5:31 | 5:32 | 5:33 | 5:34 | 5:35 | 5:36 |
| Sunset (PM) | 7:19 | 7:18 | 7:17 | 7:16 | 7:15 | 7:13 | 7:12 | 7:11 | 7:10 | 7:08 | 7:07 | 7:06 | 7:04 | 7:03 | 7:01 | 7:00 | 6:59 | 6:57 | 6:56 | 6:54 | 6:53 | 6:51 | 6:49 | 6:48 | 6:46 | 6:45 | 6:43 | 6:41 | 6:40 | 6:38 | 6:36 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 14.2 | 5:05 | 7:19 |
| 2 | 14.2 | 5:06 | 7:18 |
| 3 | 14.2 | 5:07 | 7:17 |
| 4 | 14.1 | 5:08 | 7:16 |
| 5 | 14.1 | 5:09 | 7:15 |
| 6 | 14.1 | 5:10 | 7:13 |
| 7 | 14.0 | 5:11 | 7:12 |
| 8 | 14.0 | 5:12 | 7:11 |
| 9 | 13.9 | 5:13 | 7:10 |
| 10 | 13.9 | 5:14 | 7:08 |
| 11 | 13.9 | 5:15 | 7:07 |
| 12 | 13.8 | 5:16 | 7:06 |
| 13 | 13.8 | 5:17 | 7:04 |
| 14 | 13.7 | 5:18 | 7:03 |
| 15 | 13.7 | 5:19 | 7:01 |
| 16 | 13.7 | 5:20 | 7:00 |
| 17 | 13.6 | 5:21 | 6:59 |
| 18 | 13.6 | 5:23 | 6:57 |
| 19 | 13.5 | 5:24 | 6:56 |
| 20 | 13.5 | 5:25 | 6:54 |
| 21 | 13.4 | 5:26 | 6:53 |
| 22 | 13.4 | 5:27 | 6:51 |
| 23 | 13.4 | 5:28 | 6:49 |
| 24 | 13.3 | 5:29 | 6:48 |
| 25 | 13.3 | 5:30 | 6:46 |
| 26 | 13.2 | 5:31 | 6:45 |
| 27 | 13.2 | 5:32 | 6:43 |
| 28 | 13.1 | 5:33 | 6:41 |
| 29 | 13.1 | 5:34 | 6:40 |
| 30 | 13.1 | 5:35 | 6:38 |
| 31 | 13.0 | 5:36 | 6:36 |
Solar energy in August
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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.5 | 5.5 | 5.4 |
| Level | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.7 | Intense |
| 2 | 6.6 | Intense |
| 3 | 6.6 | Intense |
| 4 | 6.6 | Intense |
| 5 | 6.5 | Intense |
| 6 | 6.5 | Intense |
| 7 | 6.5 | Intense |
| 8 | 6.4 | Intense |
| 9 | 6.4 | Intense |
| 10 | 6.4 | Intense |
| 11 | 6.3 | Intense |
| 12 | 6.3 | Intense |
| 13 | 6.3 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.2 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.0 | Intense |
| 20 | 6.0 | Intense |
| 21 | 6.0 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.8 | Bright |
| 25 | 5.8 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.6 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.5 | Bright |
| 31 | 5.4 | Bright |
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).
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.
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 8 | 7 | 8 | 10 | 16 | 21 | 24 | 25 | 23 | 19 | 15 | 11 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 8 | Bracing |
| Feb | 7 | Bracing |
| Mar | 8 | Bracing |
| Apr | 10 | Bracing |
| May | 16 | Cool |
| Jun | 21 | Refreshing |
| Jul | 24 | Warm |
| Aug | 25 | Warm |
| Sep | 23 | Refreshing |
| Oct | 19 | Cool |
| Nov | 15 | Bracing |
| Dec | 11 | Bracing |
UV index in Çatalca in August
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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 4 | 7 | 7 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
| Level | Low | Moderate | Moderate | Very high | High | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 7 | Very high |
| May | 7 | High |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 4 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Çatalca in August
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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 12 | 16 | 15 | 12 | 10 | 9 | 10 | 10 | 10 | 10 | 9 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 12 | Moderate |
| Mar | 16 | Moderate |
| Apr | 15 | Moderate |
| May | 12 | Moderate |
| Jun | 10 | Good |
| Jul | 9 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 10 | Good |
| Dec | 9 | Good |
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.
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
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).