Yalova weather in May

In May, Yalova sees average daytime highs of 20°C and overnight lows near 14°C, with 39 mm of rain across 6.7 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 53% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 42 min by month's end. Set against the rest of the year, May is Yalova's 5th-clearest and 12th-windiest month. For the whole year in context, see Yalova's year-round climate.

Daytime high
20°
5th warmest
Overnight low
14°
7th coldest
Rainfall
39 mm
6.7 wet days
Daylight
14 h 18 min
4:51 AM – 7:07 PM
Cloud cover
43%
5th clearest
Wind
10 km/h
12th windiest
Solar energy
6.06 kWh/m²
Travel score
7.1
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 22°C by the end.

A typical May day in Yalova reaches about 20°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 5°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11711
21811
31811
41812
51812
61812
71812
81912
91912
101913
111913
121913
132013
142013
152013
162014
172014
182014
192014
202114
212114
222115
232115
242115
252115
262115
272215
282216
292216
302216
312216

Yalova weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 32%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26238
36238
46238
56337
66436
76436
86436
96436
106535
116535
126535
136634
146634
156634
166832
176832
186832
196931
206931
216931
227030
237030
247129
257129
267129
277327
287327
297426
307525
317525

Chance of precipitation in May

Any precipitation

Yalova gets around 39 mm of rain over 6.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 21% and peaks near 22% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
421
521
621
721
821
921
1021
1121
1220
1320
1420
1520
1620
1720
1820
1920
2020
2121
2221
2321
2422
2522
2622
2722
2822
2922
3022
3122

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 50% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1861400
2841600
3831700
4811900
5782110
6762310
7742510
8712720
9692920
10673030
11653230
12623440
13593650
14563860
15534070
16504280
17474490
184445100
194147110
203849130
213650140
223351160
233152170
242952190
252753200
262553220
272353240
282152261
292051281
301950311
311848331

Wind in May

Winds average 10 km/h in May, the calmest month.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 5:09 AM to 4:40 AM, and sunset from 6:51 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:096:51
213.85:076:52
313.85:066:54
413.85:056:55
513.95:046:56
613.95:026:57
713.95:016:58
814.05:006:59
914.04:597:00
1014.14:587:01
1114.14:577:02
1214.14:567:03
1314.24:547:04
1414.24:537:05
1514.24:527:06
1614.34:517:07
1714.34:517:08
1814.34:507:09
1914.44:497:10
2014.44:487:11
2114.44:477:12
2214.44:467:13
2314.54:457:13
2414.54:457:14
2514.54:447:15
2614.54:437:16
2714.64:437:17
2814.64:427:18
2914.64:417:19
3014.64:417:19
3114.74:407:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.06 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 — May's 6.06 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.9Bright
85.9Bright
95.9Bright
106.0Bright
116.0Bright
126.0Intense
136.0Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.4Intense
Planning a trip in May

Is May a good time to visit Yalova?

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

7.1
Sightseeing
5th-best month of the year
3.6
Beach & pool
5th-best month of the year

May is one of the better times to visit Yalova for general sightseeing.

What to pack for Yalova in May

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

In May, Yalova sees daytime highs around 20°C and nights near 14°C. Pack sun protection. About 7 days see rain.

sun protection

Sea temperature near Yalova in May

The nearest coast averages about 16°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. 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 May

GoodModeratePoorUnhealthyVery unhealthy

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