Geyve weather in July

In July, Geyve sees average daytime highs of 28°C and overnight lows near 17°C, with 31 mm of rain across 5.4 wet days and about 14.6 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 71% of the time in July, and the air most often feels humid.

Daylight stretches from about 14 h 54 min at the start of July to 14 h 12 min by month's end. Set against the rest of the year, July is Geyve's 1st-clearest and 2nd-windiest month. For the whole year in context, see Geyve's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
31 mm
5.4 wet days
Daylight
14 h 36 min
4:46 AM – 7:23 PM
Cloud cover
27%
1st clearest
Wind
6 km/h
2nd windiest
Solar energy
6.78 kWh/m²
Travel score
7.3
out of 10

Geyve is ilçe (district), administrative county of Sakarya, northwestern Turkey.

Density
31/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 29°C by the end.

A typical July day in Geyve reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 32°C. Set against its neighbours, July runs about 3°C warmer than June and on par with August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222818
232818
242818
252818
262918
272918
282918
292918
302918
312918

How July really feels in Geyve

Once humidity and wind are folded in, July 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

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Geyve weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°8312.37.19.40.7
Feb / 7612.66.210.41.5
Mar12° / 8913.2411.73.0
Apr17° / 7411.50.7135.2
May22° / 11°7311.2014.26.6
Jun25° / 15°6810.6014.87.0
Jul28° / 17°315.4014.67.3
Aug28° / 17°305.6013.66.9
Sep25° / 14°457.6012.37.6
Oct20° / 10°709.2010.96.5
Nov14° / 649.31.39.74.1
Dec / 8712.24.79.21.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 71% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of July, with mostly cloudy or overcast conditions the remaining 14%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18416
28416
38416
48416
58416
68416
78416
88416
98317
108317
118317
128218
138317
148317
158317
168317
178416
188515
198515
208614
218614
228812
238812
248911
259010
269010
27919
28919
29919
30919
31919

Chance of precipitation in July

Any precipitation

Geyve gets around 31 mm of rain over 5.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
122
221
321
420
520
620
720
820
920
1020
1120
1220
1320
1420
1520
1619
1719
1819
1918
2018
2117
2217
2316
2416
2516
2616
2716
2816
2916
3016
3117

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 23% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
193643120
283543130
383543140
483543140
583443150
673443151
773343161
863344161
963344171
1053245171
1153245171
1243146171
1343146181
1443047181
1533047191
1632947191
1732847201
1832847211
1932747221
2032646231
2132646241
2232545261
2332445272
2432444282
2522343302
2622243312
2722142322
2822141332
2922041342
3022041352
3121941362

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 6 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 54 min at the start of July to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:36 AM to 4:59 AM, and sunset from 7:28 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:367:28
214.94:377:28
314.84:377:28
414.84:387:28
514.84:387:28
614.84:397:27
714.84:397:27
814.84:407:27
914.84:417:26
1014.74:417:26
1114.74:427:26
1214.74:437:25
1314.74:437:25
1414.74:447:24
1514.74:457:24
1614.64:467:23
1714.64:467:23
1814.64:477:22
1914.64:487:21
2014.54:497:21
2114.54:507:20
2214.54:507:19
2314.54:517:19
2414.44:527:18
2514.44:537:17
2614.44:547:16
2714.34:557:15
2814.34:567:14
2914.34:577:13
3014.24:587:12
3114.24:597:11

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.78 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 6.78 kWh/m² in July across the year — July's 6.78 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
46.9Intense
56.9Intense
66.9Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.8Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.7Intense
246.7Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.5Intense
316.5Intense
Planning a trip in July

Is July a good time to visit Geyve?

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

7.3
Sightseeing
2nd-best month of the year
8.0
Beach & pool
2nd-best month of the year

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

What to pack for Geyve in July

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

In July, Geyve sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Geyve in July

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

The sea at the nearest coast (about 70 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 11 to Oct 10 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec11Bracing

UV index in Geyve in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Geyve 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowAug 10UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Geyve in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Geyve is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2316 µg/m³Dec 198 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar16Moderate
Apr16Moderate
May15Moderate
Jun13Moderate
Jul10Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec8Good
Location & terrain

Where is Geyve?

Geyve sits at 40.5°N, 30.3°E, 84 m above sea level, in Turkey. The nearest listed city is Sapanca, 21 km away.

Topography around Geyve

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

Within 3 km, the terrain around Geyve has significant variations in elevation — a maximum elevation change of 290 m around an average of 113 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,484 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,820 m.

The land around Geyve is covered by trees (50%) within 3 km, trees (73%) within 16 km, and trees (61%) within 80 km.

3 km
290 m
16 km
1,484 m
80 km
1,820 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Sapanca 21 km · Osmaneli 29 km · Adapazarı 32 km · Akyazı 34 km · İzmit 42 km · Gölcük 46 km · Bilecik 49 km · Derince 49 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 Geyve (40.5075°, 30.2925°, elevation 84 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).