Hendek weather in May

In May, Hendek sees average daytime highs of 20°C and overnight lows near 10°C, with 88 mm of rain across 13.1 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 5th-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 38% 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 Hendek's 5th-clearest and 10th-windiest month. For the whole year in context, see Hendek's year-round climate.

Daytime high
20°
5th warmest
Overnight low
10°
8th coldest
Rainfall
88 mm
13.1 wet days
Daylight
14 h 18 min
4:45 AM – 7:01 PM
Cloud cover
54%
5th clearest
Wind
5 km/h
10th windiest
Solar energy
5.99 kWh/m²
Travel score
6.0
out of 10
Air quality
Very high
PM2.5 35.1 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 Hendek reaches about 20°C in the afternoon and slips back to 10°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1188
2188
3188
4198
5198
6198
7199
8199
9199
10209
11209
12209
132010
142010
152010
162110
172110
182110
192110
202110
212111
222111
232111
242111
252111
262211
272211
282211
292212
302212
312212

How May really feels in Hendek

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.

Hendek weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°9813.68.79.40.6
Feb / -0°8913.57.210.41.2
Mar11° / 10014.15.511.72.6
Apr16° / 8412.71.413.14.6
May20° / 10°8813.1014.26.0
Jun24° / 14°7911.4014.97.0
Jul26° / 16°397.1014.67.5
Aug27° / 17°426.7013.67.5
Sep24° / 13°588.7012.37.4
Oct19° / 8610.50.110.96.1
Nov14° / 769.92.39.73.9
Dec / 10313.76.39.11.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45149
55248
65248
75248
85347
95347
105446
115446
125545
135545
145644
155545
165644
175644
185644
195644
205644
215644
225644
235644
245644
255743
265743
275842
285842
295941
306040
316040

Chance of precipitation in May

Any precipitation

Hendek gets around 88 mm of rain over 13.1 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 42% and peaks near 46% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
135
235
335
436
536
637
737
838
938
1039
1139
1240
1340
1441
1541
1642
1743
1843
1944
2044
2145
2245
2346
2446
2546
2646
2746
2846
2946
3046
3146

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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19370
29280
390100
489110
587130
685150
784160
881181
979201
1077221
1175241
1273252
1371272
1469292
1566313
1665323
1762344
1861354
1959374
2057385
2155396
2254406
2352417
2451427
2549438
2648439
27464410
28454411
29434512
30424513
31404514

Wind in May

Winds average 5 km/h in May.

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

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:03 AM to 4:34 AM, and sunset from 6:46 PM to 7:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:036:46
213.85:016:47
313.85:006:48
413.84:596:49
513.94:576:50
613.94:566:51
714.04:556:52
814.04:546:53
914.04:536:54
1014.14:516:55
1114.14:506:56
1214.14:496:57
1314.24:486:58
1414.24:476:59
1514.24:467:00
1614.34:457:01
1714.34:447:02
1814.34:437:03
1914.44:427:04
2014.44:427:05
2114.44:417:06
2214.54:407:07
2314.54:397:08
2414.54:387:09
2514.54:387:10
2614.64:377:11
2714.64:367:11
2814.64:367:12
2914.64:357:13
3014.74:357:14
3114.74:347:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.99 kWh/m².

For context, solar energy here swings from a low near 1.59 kWh/m² to a high of 6.79 kWh/m² in July across the year — May's 5.99 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Hendek?

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

6.0
Sightseeing
6th-best month of the year
3.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Hendek for sightseeing.

What to pack for Hendek in May

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

In May, Hendek sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Hendek 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 38 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 11 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb7Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec11Bracing

UV index in Hendek 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 Hendek peaks around August 9 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowAug 9UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Hendek 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 Hendek is worst in March — around 48 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 27 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Hendek's WHO annual average of 35.1 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 2448 µg/m³Dec 2127 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb33Moderate
Mar48Poor
Apr48Poor
May48Poor
Jun38Poor
Jul30Moderate
Aug32Moderate
Sep29Moderate
Oct30Moderate
Nov31Moderate
Dec27Moderate
Location & terrain

Where is Hendek?

Hendek sits at 40.8°N, 30.7°E, 185 m above sea level, in Turkey. The nearest listed city is Akyazı, 17 km away.

Topography around Hendek

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

Within 3 km, the terrain around Hendek has significant variations in elevation — a maximum elevation change of 437 m around an average of 203 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,509 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,935 m.

The land around Hendek is covered by trees (70%) and artificial surfaces (20%) within 3 km, trees (82%) within 16 km, and trees (59%) and water (20%) within 80 km.

3 km
437 m
16 km
1,509 m
80 km
1,935 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Akyazı 17 km · Ferizli 27 km · Adapazarı 29 km · Kocaali 30 km · Karasu Mahallesi 30 km · Karasu 34 km · Düzce 35 km · Sapanca 42 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 Hendek (40.7994°, 30.7481°, elevation 185 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).