Devrek weather in May

In May, Devrek sees average daytime highs of 20°C and overnight lows near 10°C, with 85 mm of rain across 11.4 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 6th-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 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 Devrek's 5th-clearest and 9th-windiest month. For the whole year in context, see Devrek's year-round climate.

Daytime high
20°
5th warmest
Overnight low
10°
8th coldest
Rainfall
85 mm
11.4 wet days
Daylight
14 h 18 min
4:39 AM – 6:58 PM
Cloud cover
53%
5th clearest
Wind
6 km/h
9th windiest
Solar energy
5.84 kWh/m²
Travel score
6.3
out of 10

Devrek is district and town of Zonguldak, Turkey.

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 Devrek reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, May runs about 4°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
5199
6199
7199
8199
9199
10209
11209
122010
132010
142010
152010
162110
172110
182110
192111
202111
212111
222111
232111
242111
252111
262112
272212
282212
292212
302212
312212

How May really feels in Devrek

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.

Devrek weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°9713.58.39.40.8
Feb / -0°9013.5710.31.4
Mar12° / 103145.311.72.7
Apr16° / 7912.51.113.14.8
May20° / 10°8511.4014.36.3
Jun24° / 14°8412014.96.8
Jul26° / 16°558.5014.77.3
Aug27° / 16°517.5013.67.4
Sep24° / 13°728.7012.37.4
Oct19° / 9310.70.110.96.2
Nov14° / 8210.11.99.74.1
Dec / 10013.55.69.11.6

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 16% of May, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15149
25248
35347
45347
55347
65446
75446
85446
95545
105644
115545
125644
135743
145743
155842
165842
175842
185743
195743
205743
215743
225644
235644
245644
255644
265644
275545
285644
295644
305743
315743

Chance of precipitation in May

Any precipitation

Devrek gets around 85 mm of rain over 11.4 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 36% and peaks near 42% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
433
533
633
733
834
934
1034
1134
1234
1334
1435
1535
1635
1735
1836
1936
2037
2137
2238
2339
2439
2540
2641
2741
2842
2942
3042
3142

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 (%)Muggy (%)
193700
292800
3901000
4891100
5871300
6851410
7831610
8811810
9792010
10772210
11752410
12722620
13702820
14692920
15673120
16643330
17623530
18603640
19593740
20563950
21554050
22544060
23524170
24514270
25494380
26484390
274643100
284544110
294444120
304244130
314045151

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 4:57 AM to 4:28 AM, and sunset from 6:42 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.74:576:42
213.84:566:43
313.84:546:44
413.94:536:45
513.94:526:46
613.94:506:47
714.04:496:48
814.04:486:49
914.14:476:50
1014.14:466:51
1114.14:456:52
1214.24:436:53
1314.24:426:54
1414.24:416:55
1514.34:406:57
1614.34:396:58
1714.34:386:59
1814.44:376:59
1914.44:377:00
2014.44:367:01
2114.54:357:02
2214.54:347:03
2314.54:337:04
2414.54:327:05
2514.64:327:06
2614.64:317:07
2714.64:307:08
2814.74:307:09
2914.74:297:10
3014.74:287:10
3114.74:287:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.84 kWh/m².

For context, solar energy here swings from a low near 1.57 kWh/m² to a high of 6.56 kWh/m² in July across the year — May's 5.84 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.7Bright
75.7Bright
85.7Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Devrek?

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

6.3
Sightseeing
5th-best month of the year
3.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Devrek for sightseeing.

What to pack for Devrek in May

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

In May, Devrek sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Devrek 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 33 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 12 to Oct 11 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar8Bracing
Apr11Bracing
May16Cool
Jun21Refreshing
Jul24Refreshing
Aug25Warm
Sep23Refreshing
Oct20Cool
Nov15Cool
Dec12Bracing

UV index in Devrek 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 Devrek peaks around August 11 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 highHighModerateLowAug 11UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Devrek 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 Devrek is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (August, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2216 µg/m³Aug 1610 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar17Moderate
Apr16Moderate
May15Moderate
Jun12Good
Jul10Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Devrek?

Devrek sits at 41.2°N, 32.0°E, 95 m above sea level, in Turkey. The nearest listed city is Çaycuma, 25 km away.

Topography around Devrek

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

Within 3 km, the terrain around Devrek has significant variations in elevation — a maximum elevation change of 571 m around an average of 266 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,086 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,359 m.

The land around Devrek is covered by trees (62%) and grassland (29%) within 3 km, trees (80%) within 16 km, and trees (61%) and water (23%) within 80 km.

3 km
571 m
16 km
1,086 m
80 km
2,359 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Çaycuma 25 km · Zonguldak 29 km · Ereğli 46 km · Alaplı 48 km · Gerede 51 km · Bartın 56 km · Karabük 56 km · Bolu 61 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 Devrek (41.2192°, 31.9558°, elevation 95 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).