Geyve weather in June

In June, Geyve sees average daytime highs of 25°C and overnight lows near 15°C, with 68 mm of rain across 10.6 wet days and about 14.8 hours of daylight. It is the 3rd-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 55% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 14 h 42 min at the start of June to 14 h 54 min by month's end. Set against the rest of the year, June is Geyve's 4th-clearest and 8th-windiest month. For the whole year in context, see Geyve's year-round climate.

Daytime high
25°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
68 mm
10.6 wet days
Daylight
14 h 54 min
4:33 AM – 7:25 PM
Cloud cover
38%
4th clearest
Wind
6 km/h
8th windiest
Solar energy
6.59 kWh/m²
Travel score
7.0
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical June day in Geyve reaches about 25°C in the afternoon and slips back to 15°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12413
22413
32413
42413
52413
62413
72414
82514
92514
102514
112514
122514
132514
142515
152515
162615
172615
182615
192615
202615
212615
222615
232615
242615
252716
262716
272716
282716
292716
302716

How June really feels in Geyve

Once humidity and wind are folded in, June 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

June 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 June compares with the rest of the year at a glance. June is the 3rd-warmest and 8th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 18% of June, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16436
26535
36535
46634
56733
66733
76832
86832
96832
106931
116931
126931
137030
147030
157129
167228
177327
187426
197525
207624
217624
227822
237921
247921
258119
268218
278218
288317
298416
308416

Chance of precipitation in June

Any precipitation

Geyve gets around 68 mm of rain over 10.6 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
141
241
341
441
540
640
739
839
939
1038
1138
1238
1337
1437
1536
1636
1735
1835
1934
2033
2133
2232
2331
2430
2529
2628
2727
2825
2924
3023

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 44% of days. Sticky, muggy-or-worse air turns up on roughly 5% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
14147120
23948130
33748150
43548161
53249181
63049201
72849221
82649242
92448252
102248273
112147293
121947314
131746324
141646345
151545355
161345365
171344386
181243396
191142407
201141417
211040427
221040428
231039438
241039439
251038439
2610384310
279374310
289374311
299374311
309364312

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 42 min at the start of June to 14 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:36 AM to 4:36 AM, and sunset from 7:17 PM to 7:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:367:17
214.74:367:17
314.74:357:18
414.74:357:19
514.74:357:19
614.84:347:20
714.84:347:21
814.84:347:21
914.84:337:22
1014.84:337:22
1114.84:337:23
1214.84:337:24
1314.94:337:24
1414.94:337:25
1514.94:337:25
1614.94:337:25
1714.94:337:26
1814.94:337:26
1914.94:337:26
2014.94:337:27
2114.94:337:27
2214.94:337:27
2314.94:347:27
2414.94:347:28
2514.94:347:28
2614.94:347:28
2714.94:357:28
2814.94:357:28
2914.94:357:28
3014.94:367:28

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.59 kWh/m².

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 — June's 6.59 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.4Intense
86.4Intense
96.4Intense
106.5Intense
116.5Intense
126.5Intense
136.5Intense
146.5Intense
156.6Intense
166.6Intense
176.6Intense
186.7Intense
196.7Intense
206.7Intense
216.7Intense
226.7Intense
236.8Intense
246.8Intense
256.8Intense
266.8Intense
276.8Intense
286.8Intense
296.9Intense
306.9Intense
Planning a trip in June

Is June a good time to visit Geyve?

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

7.0
Sightseeing
3rd-best month of the year
6.5
Beach & pool
4th-best month of the year

June 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 June

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

In June, Geyve sees daytime highs around 25°C and nights near 15°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Geyve in June

The nearest coast averages about 21°C in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 June

GoodModeratePoorUnhealthyVery unhealthy

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