Sapanca weather in April

In April, Sapanca sees average daytime highs of 17°C and overnight lows near 7°C, with 79 mm of precipitation across 11.7 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 19°C by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 42 min by month's end. Set against the rest of the year, April is Sapanca's 7th-clearest and 8th-windiest month. For the whole year in context, see Sapanca's year-round climate.

Daytime high
17°
7th warmest
Overnight low
6th coldest
Precipitation
79 mm
11.7 wet days
Daylight
13 h 06 min
5:27 AM – 6:32 PM
Cloud cover
60%
7th clearest
Wind
6 km/h
8th windiest
Solar energy
5.02 kWh/m²
Travel score
5.3
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 19°C by the end.

A typical April day in Sapanca reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 24°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1155
2155
3155
4166
5166
6166
7166
8166
9176
10176
11177
12177
13177
14177
15177
16177
17187
18187
19187
20187
21188
22188
23188
24188
25188
26198
27198
28199
29199
30199

How April really feels in Sapanca

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23961
33961
43961
54060
64159
74159
84258
94258
104258
114258
124258
134357
144258
154258
164258
174357
184357
194456
204456
214654
224654
234753
244753
254852
264852
274951
284951
295050
305149

Chance of precipitation in April

Any precipitationSnow

Sapanca gets around 79 mm of rain and snow over 11.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 42% on the wettest days, and about 1 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1424
2424
3424
4424
5424
6423
7413
8413
9413
10413
11413
12412
13412
14412
15412
16412
17402
18401
19391
20391
21381
22371
23361
24361
25351
26341
27330
28320
29320
30310

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 96% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
4991
5991
6991
7991
8982
9982
10982
11982
12973
13973
14973
15973
16964
17964
18964
19964
20964
21964
22955
23955
24946
25937
26928
27919
288911
298812
308614

Wind in April

Winds average 6 km/h in April.

Across April, 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.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over April. Sunrise moves from 5:51 AM to 5:06 AM, and sunset from 6:16 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:516:16
212.45:506:17
312.55:486:18
412.55:466:19
512.65:456:20
612.65:436:21
712.75:416:22
812.75:406:23
912.85:386:24
1012.85:366:25
1112.95:356:26
1212.95:336:27
1312.95:326:28
1413.05:306:29
1513.05:286:31
1613.15:276:32
1713.15:256:33
1813.25:246:34
1913.25:226:35
2013.35:206:36
2113.35:196:37
2213.35:176:38
2313.45:166:39
2413.45:156:40
2513.55:136:41
2613.55:126:42
2713.65:106:43
2813.65:096:44
2913.65:076:45
3013.75:066:46

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.02 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 — April's 5.02 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.8Bright
104.8Bright
114.8Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Is April a good time to visit Sapanca?

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

5.3
Sightseeing
7th-best month of the year
1.4
Beach & pool
7th-best month of the year

April is a reasonable time to visit Sapanca for sightseeing.

What to pack for Sapanca in April

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

In April, Sapanca sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Sapanca in April

The nearest coast averages about 10°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April 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 April

GoodModeratePoorUnhealthyVery unhealthy

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