Gemlik weather in May

In May, Gemlik sees average daytime highs of 22°C and overnight lows near 13°C, with 53 mm of rain across 8.2 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 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 49% 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 36 min by month's end. Set against the rest of the year, May is Gemlik's 5th-clearest and 12th-windiest month. For the whole year in context, see Gemlik's year-round climate.

Daytime high
22°
5th warmest
Overnight low
13°
7th coldest
Rainfall
53 mm
8.2 wet days
Daylight
14 h 12 min
4:52 AM – 7:07 PM
Cloud cover
46%
5th clearest
Wind
6 km/h
12th windiest
Solar energy
6.02 kWh/m²
Travel score
7.1
out of 10

Gemlik is district and town in Bursa Province, Turkey.

Density
189/km²
people per km²

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 20°C in the first days to 23°C by the end.

A typical May day in Gemlik reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11910
21910
32010
42011
52011
62011
72011
82111
92111
102112
112112
122112
132112
142212
152212
162213
172213
182213
192213
202213
212313
222314
232314
242314
252314
262314
272314
282314
292415
302415
312415

How May really feels in Gemlik

Once humidity and wind are folded in, May 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

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

Gemlik 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 / 9012.74.79.41.5
Feb10° / 79124.310.42.0
Mar13° / 8612.12.211.73.2
Apr17° / 6510.20.3135.4
May22° / 13°538.2014.27.1
Jun26° / 17°497.8014.87.5
Jul29° / 19°264.6014.67.0
Aug29° / 20°284.2013.66.8
Sep25° / 17°546.8012.37.8
Oct20° / 13°779.2010.96.7
Nov15° / 759.60.89.84.6
Dec10° / 9712.43.29.22.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% 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 36%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35842
46040
56040
66040
76139
86238
96238
106238
116337
126337
136436
146436
156535
166535
176535
186436
196535
206535
216535
226535
236634
246634
256634
266733
276733
286931
296931
307030
317129

Chance of precipitation in May

Any precipitation

Gemlik gets around 53 mm of rain over 8.2 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 27% and peaks near 29% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
526
626
726
826
926
1026
1126
1226
1326
1426
1526
1626
1726
1826
1926
2026
2127
2227
2327
2428
2528
2628
2728
2828
2928
3029
3129

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 55% 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
5792010
6772210
7752410
8732520
9702730
10692830
11672940
12643150
13623260
14593470
15563680
16543880
17523990
184941100
194643110
204345120
214146130
223947140
233748150
243549160
253449170
263250180
273150190
283049210
292849220
302749241
312648251

Wind in May

Winds average 6 km/h in May, the calmest month.

Across May, 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
47calm
57calm
67calm
77calm
87calm
97calm
107calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:10 AM to 4:41 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)
113.75:106:51
213.75:086:53
313.85:076:54
413.85:066:55
513.95:056:56
613.95:036:57
713.95:026:58
814.05:016:59
914.05:007:00
1014.04:597:01
1114.14:587:02
1214.14:567:03
1314.14:557:04
1414.24:547:05
1514.24:537:06
1614.24:527:07
1714.34:527:08
1814.34:517:09
1914.34:507:10
2014.44:497:11
2114.44:487:11
2214.44:477:12
2314.44:467:13
2414.54:467:14
2514.54:457:15
2614.54:447:16
2714.64:447:17
2814.64:437:18
2914.64:437:18
3014.64:427:19
3114.64:417:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.02 kWh/m².

For context, solar energy here swings from a low near 1.51 kWh/m² to a high of 6.81 kWh/m² in July across the year — May's 6.02 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.9Bright
95.9Bright
105.9Bright
116.0Bright
126.0Bright
136.0Intense
146.0Intense
156.0Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Gemlik?

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

7.1
Sightseeing
3rd-best month of the year
4.7
Beach & pool
5th-best month of the year

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

What to pack for Gemlik in May

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

In May, Gemlik sees daytime highs around 22°C and nights near 13°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

Sea temperature near Gemlik 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 22 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 Gemlik 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 Gemlik peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highModerateLowAug 10UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Gemlik 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 Gemlik is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2317 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar18Moderate
Apr17Moderate
May17Moderate
Jun13Moderate
Jul11Good
Aug11Good
Sep10Good
Oct11Good
Nov12Good
Dec10Good
Location & terrain

Where is Gemlik?

Gemlik sits at 40.4°N, 29.2°E, 5 m above sea level, in Turkey. The nearest listed city is Orhangazi, 14 km away.

Topography around Gemlik

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

Within 3 km, the terrain around Gemlik has large variations in elevation — a maximum elevation change of 729 m around an average of 141 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,282 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Gemlik is covered by trees (49%) and artificial surfaces (21%) within 3 km, trees (65%) within 16 km, and trees (47%) and water (27%) within 80 km.

3 km
729 m
16 km
1,282 m
80 km
2,553 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Orhangazi 14 km · Gürsu 24 km · Mudanya 24 km · Kestel 26 km · Yalova 27 km · Bursa 27 km · Nilüfer 32 km · Görükle 35 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 Gemlik (40.4309°, 29.1597°, elevation 5 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).