Nallıhan in Summer
In summer (June, July and August), Nallıhan sees average daytime highs around 28°C and overnight lows near 14°C, with 71 mm of rain over about 18 wet days across the season. It is the warmest season of the year and the driest season of the year.
Over the season highs climb from about 23°C in early June to 28°C by late August. The sky is clear or mostly clear about 73% of the time across summer, and the air most often feels dry.
Summer is Nallıhan's best season of the year to visit on our travel score. For the whole year in context, see Nallıhan's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 14°C
- Rainfall
- 71 mm
- 18 wet days
- Avg wind
- 7 km/h
- Travel score
- 6.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Nallıhan in Summer
Over the season highs climb from about 23°C in early June to 28°C by late August.
A typical summer day in Nallıhan reaches about 28°C and drops to 14°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Nallıhan
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer 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 the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 4° / -2° | 53 | 9.7 | 6.9 | 9.5 | 0.0 |
| Feb | 6° / -2° | 51 | 9.6 | 5.6 | 10.4 | 0.6 |
| Mar | 11° / 1° | 59 | 11 | 4.4 | 11.7 | 2.5 |
| Apr | 16° / 5° | 55 | 11.1 | 1 | 13 | 4.9 |
| May | 21° / 9° | 52 | 11.2 | 0 | 14.2 | 6.5 |
| Jun | 25° / 12° | 40 | 9.5 | 0 | 14.8 | 7.2 |
| Jul | 29° / 15° | 14 | 3.6 | 0 | 14.6 | 7.0 |
| Aug | 29° / 15° | 17 | 4.8 | 0 | 13.6 | 6.6 |
| Sep | 25° / 12° | 17 | 4.1 | 0 | 12.3 | 8.2 |
| Oct | 19° / 8° | 36 | 6.3 | 0.1 | 10.9 | 6.8 |
| Nov | 11° / 2° | 41 | 7.2 | 1.6 | 9.8 | 3.2 |
| Dec | 6° / -1° | 57 | 9.8 | 4.4 | 9.2 | 0.3 |
Cloud cover in Summer
The sky is clear or mostly clear about 73% of the time across summer.
Chance of precipitation in Summer
Nallıhan gets around 71 mm of rain over 18 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 36 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.9 kWh/m².
Is summer a good time to visit Nallıhan?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Nallıhan for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nallıhan in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nallıhan sees daytime highs around 28°C and nights near 14°C. Pack light clothes and sun protection. Worth having: rain gear. About 18 days see rain.
UV index in Nallıhan in Summer
Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 2 | 3 | 7 | 7 | 9 | 9 | 10 | 7 | 4 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 2 | Moderate |
| Mar | 3 | Moderate |
| Apr | 7 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 10 | Very high |
| Sep | 7 | Very high |
| Oct | 4 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Nallıhan in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 10 | 11 | 16 | 16 | 17 | 13 | 11 | 10 | 10 | 11 | 11 | 10 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 16 | Moderate |
| Apr | 16 | Moderate |
| May | 17 | Moderate |
| Jun | 13 | Moderate |
| Jul | 11 | Good |
| Aug | 10 | Good |
| Sep | 10 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 10 | Good |
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.
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.
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
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.