Sapanca weather in May

In May, Sapanca sees average daytime highs of 22°C and overnight lows near 11°C, with 78 mm of rain across 10.6 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 7th-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 39% 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 Sapanca's 5th-clearest and 11th-windiest month. For the whole year in context, see Sapanca's year-round climate.

Daytime high
22°
5th warmest
Overnight low
11°
8th coldest
Rainfall
78 mm
10.6 wet days
Daylight
14 h 18 min
4:47 AM – 7:03 PM
Cloud cover
52%
5th clearest
Wind
6 km/h
11th windiest
Solar energy
5.96 kWh/m²
Travel score
6.7
out of 10

Sapanca is district and town of Sakarya, Turkey.

Density
146/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 Sapanca reaches about 22°C in the afternoon and slips back to 11°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 16°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)
1199
2209
3209
4209
52010
62010
72010
82110
92110
102110
112111
122111
132211
142211
152211
162211
172211
182212
192212
202312
212312
222312
232312
242312
252313
262313
272313
282313
292313
302413
312413

How May really feels in Sapanca

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.

Sapanca weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 9813.36.69.41.2
Feb10° / 8812.95.610.41.8
Mar13° / 9713.63.211.73.1
Apr17° / 7911.70.613.15.3
May22° / 11°7810.6014.26.7
Jun26° / 15°7710.3014.97.1
Jul28° / 18°426.3014.67.2
Aug28° / 18°426.1013.66.9
Sep25° / 15°608.2012.37.4
Oct20° / 11°8910.4010.96.3
Nov15° / 779.919.74.4
Dec / 1041349.11.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45347
55446
65446
75446
85545
95545
105644
115644
125644
135743
145743
155842
165842
175743
185842
195842
205842
215743
225743
235842
245842
255941
265941
276040
286238
296238
306337
316436

Chance of precipitation in May

Any precipitation

Sapanca gets around 78 mm of rain over 10.6 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 34% and peaks near 38% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
431
531
631
731
832
932
1032
1133
1233
1333
1433
1534
1634
1734
1834
1935
2035
2135
2236
2336
2437
2537
2637
2738
2838
2938
3038
3138

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 53% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1851500
2831700
3821800
4802000
5772210
6752410
7732610
8702820
9683020
10653230
11633340
12613540
13593650
14573760
15543970
16524080
17494290
184743100
194544110
204346120
214146130
223947140
233748150
243648160
253448180
263349190
273149200
283048220
292848231
302748251
312547271

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 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
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 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 5:05 AM to 4:36 AM, and sunset from 6:48 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:056:48
213.85:036:49
313.85:026:50
413.85:016:51
513.95:006:52
613.94:586:53
713.94:576:54
814.04:566:55
914.04:556:56
1014.14:546:57
1114.14:536:58
1214.14:516:59
1314.24:507:00
1414.24:497:01
1514.24:487:02
1614.34:477:03
1714.34:467:04
1814.34:467:05
1914.44:457:06
2014.44:447:07
2114.44:437:08
2214.44:427:09
2314.54:417:10
2414.54:417:10
2514.54:407:11
2614.64:397:12
2714.64:397:13
2814.64:387:14
2914.64:377:15
3014.64:377:16
3114.74:367:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.96 kWh/m².

For context, solar energy here swings from a low near 1.52 kWh/m² to a high of 6.68 kWh/m² in July across the year — May's 5.96 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Is May a good time to visit Sapanca?

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

6.7
Sightseeing
5th-best month of the year
4.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sapanca for sightseeing.

What to pack for Sapanca in May

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

In May, Sapanca sees daytime highs around 22°C and nights near 11°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Sapanca 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 50 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 Sapanca 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 Sapanca 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 10UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Sapanca 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 Sapanca 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 Sapanca?

Sapanca sits at 40.7°N, 30.3°E, 47 m above sea level, in Turkey. The nearest listed city is Adapazarı, 15 km away.

Topography around Sapanca

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

Within 3 km, the terrain around Sapanca has significant variations in elevation — a maximum elevation change of 533 m around an average of 109 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,573 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,820 m.

The land around Sapanca is covered by trees (51%) and water (34%) within 3 km, trees (71%) within 16 km, and trees (57%) within 80 km.

3 km
533 m
16 km
1,573 m
80 km
1,820 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Adapazarı 15 km · Geyve 21 km · İzmit 30 km · Akyazı 30 km · Ferizli 33 km · Gölcük 38 km · Derince 39 km · Körfez 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 Sapanca (40.6914°, 30.2674°, elevation 47 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).