Nallıhan weather in April

In April, Nallıhan sees average daytime highs of 16°C and overnight lows near 5°C, with 55 mm of precipitation across 11.1 wet days and about 13 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 28% 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 36 min by month's end. Set against the rest of the year, April is Nallıhan's 8th-clearest and 3rd-windiest month. For the whole year in context, see Nallıhan's year-round climate.

Daytime high
16°
7th warmest
Overnight low
6th coldest
Precipitation
55 mm
11.1 wet days
Daylight
13 h 06 min
5:23 AM – 6:27 PM
Cloud cover
58%
8th clearest
Wind
7 km/h
3rd windiest
Solar energy
5.43 kWh/m²
Travel score
4.9
out of 10

Nallıhan is rural town and district of Ankara Province in the Central Anatolia region of Turkey.

Density
10/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 14°C in the first days to 18°C by the end.

A typical April day in Nallıhan reaches about 16°C in the afternoon and slips back to 5°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1133
2143
3143
4143
5143
6144
7154
8154
9154
10154
11154
12154
13164
14165
15165
16165
17165
18165
19165
20175
21175
22175
23175
24176
25176
26186
27186
28186
29186
30186

How April really feels in Nallıhan

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.

Nallıhan weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°539.76.99.50.0
Feb / -2°519.65.610.40.6
Mar11° / 59114.411.72.5
Apr16° / 5511.11134.9
May21° / 5211.2014.26.5
Jun25° / 12°409.5014.87.2
Jul29° / 15°143.6014.67.0
Aug29° / 15°174.8013.66.6
Sep25° / 12°174.1012.38.2
Oct19° / 366.30.110.96.8
Nov11° / 417.21.69.83.2
Dec / -1°579.84.49.20.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 19% of April, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34357
44357
54456
64456
74555
84456
94555
104555
114555
124654
134654
144555
154555
164654
174753
184753
194852
204951
214951
225050
235149
245149
255248
265248
275347
285347
295446
305446

Chance of precipitation in April

Any precipitationSnow

Nallıhan gets around 55 mm of rain and snow over 11.1 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 37% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1386
2386
3396
4396
5396
6395
7395
8395
9385
10385
11384
12384
13384
14384
15383
16373
17373
18362
19362
20362
21352
22351
23351
24351
25341
26341
27341
28331
29331
30330

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 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
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 5:47 AM to 5:03 AM, and sunset from 6:11 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:476:11
212.45:466:12
312.55:446:13
412.55:426:14
512.65:416:15
612.65:396:16
712.75:376:17
812.75:366:18
912.85:346:19
1012.85:326:20
1112.85:316:21
1212.95:296:23
1312.95:286:24
1413.05:266:25
1513.05:256:26
1613.15:236:27
1713.15:216:28
1813.15:206:29
1913.25:186:30
2013.25:176:31
2113.35:156:32
2213.35:146:33
2313.45:126:34
2413.45:116:35
2513.45:106:36
2613.55:086:37
2713.55:076:38
2813.65:056:39
2913.65:046:40
3013.65:036:41

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.43 kWh/m².

For context, solar energy here swings from a low near 1.8 kWh/m² to a high of 7.24 kWh/m² in July across the year — April's 5.43 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.8Bright
265.8Bright
275.8Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in April

Is April a good time to visit Nallıhan?

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

4.9
Sightseeing
7th-best month of the year
0.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Nallıhan for sightseeing.

What to pack for Nallıhan in April

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

In April, Nallıhan sees daytime highs around 16°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Nallıhan 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 Nallıhan peaks around August 10 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateLowAug 10UV 10Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar3Moderate
Apr7High
May7Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep7Very high
Oct4Moderate
Nov3Moderate
Dec2Low

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

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 916 µg/m³Dec 2310 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar16Moderate
Apr16Moderate
May17Moderate
Jun13Moderate
Jul11Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Nallıhan?

Nallıhan sits at 40.2°N, 31.4°E, 630 m above sea level, in Turkey. The nearest listed city is Beypazarı, 48 km away.

Polatlı

Topography around Nallıhan

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

Within 3 km, the terrain around Nallıhan has large variations in elevation — a maximum elevation change of 716 m around an average of 766 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,353 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,327 m.

The land around Nallıhan is covered by trees (45%) and grassland (39%) within 3 km, trees (40%) and grassland (39%) within 16 km, and trees (43%), grassland (31%) and cropland (23%) within 80 km.

3 km
716 m
16 km
1,353 m
80 km
2,327 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Beypazarı 48 km · Bolu 65 km · Kaynaşlı 65 km · Düzce 74 km · Akyazı 83 km · Eskişehir 84 km · Hendek 85 km · Polatlı 95 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 Nallıhan (40.1859°, 31.3518°, elevation 630 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. 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).