Nā’īn in Summer
In summer (June, July and August), Nā’īn sees average daytime highs around 33°C and overnight lows near 21°C, with 2 mm of rain over about 1 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 33°C. The sky is clear or mostly clear about 90% of the time across summer, and the air most often feels dry.
Summer is Nā’īn's 3rd-best season to visit on our travel score. For the whole year in context, see Nā’īn's year-round climate.
- Avg daytime high
- 33°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 2 mm
- 1 wet days
- Avg wind
- 14 km/h
- Travel score
- 4.5
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Nā’īn in Summer
Across summer, daytime highs hold fairly steady around 33°C.
A typical summer day in Nā’īn reaches about 33°C and drops to 21°C overnight. The warmest of the three months is July, the coolest June.
How summer really feels in Nā’īn
Once humidity and wind are folded in, summer brings about 82 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Nā’īn 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 | 8° / -1° | 21 | 4.8 | 2.9 | 10.1 | 1.8 |
| Feb | 11° / 1° | 18 | 4.4 | 1.6 | 10.8 | 3.4 |
| Mar | 16° / 6° | 27 | 5.5 | 0.8 | 11.8 | 5.9 |
| Apr | 22° / 11° | 25 | 6.1 | 0.1 | 12.8 | 7.4 |
| May | 27° / 16° | 16 | 4.3 | 0 | 13.7 | 7.3 |
| Jun | 33° / 21° | 1 | 0.3 | 0 | 14.1 | 5.0 |
| Jul | 34° / 23° | 0 | 0.1 | 0 | 13.9 | 3.8 |
| Aug | 33° / 21° | 0 | 0.1 | 0 | 13.2 | 4.7 |
| Sep | 30° / 17° | 0 | 0 | 0 | 12.2 | 7.1 |
| Oct | 23° / 11° | 5 | 1.7 | 0 | 11.2 | 8.8 |
| Nov | 15° / 5° | 16 | 3.6 | 0.5 | 10.3 | 5.7 |
| Dec | 10° / 1° | 16 | 3.8 | 1.5 | 9.9 | 3.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 90% of the time across summer.
Chance of precipitation in Summer
Nā’īn gets around 2 mm of rain over 1 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 14 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 hours in early June to 12 h 42 min 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 7.7 kWh/m².
Hazard calendar for Nā’īn
In summer, Nā’īn overlaps its dust season. The full year is below, with each hazard's peak months called out.
Nā’īn sees seasonal dust haze (July), heaviest in July.
Is summer a good time to visit Nā’īn?
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 Nā’īn for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Nā’īn in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Nā’īn sees daytime highs around 33°C and nights near 21°C. Pack light clothes and sun protection.
UV index in Nā’īn in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Nā’īn peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 6 | 6 | 8 | 10 | 10 | 11 | 10 | 8 | 7 | 4 | 4 |
| Level | Moderate | High | High | Very high | Very high | Very high | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 6 | High |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 10 | Very high |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 8 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 4 | Moderate |
Air quality in Nā’īn 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 Nā’īn is worst in July — around 31 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 13 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) | 16 | 19 | 23 | 30 | 30 | 24 | 31 | 21 | 23 | 18 | 13 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 19 | Moderate |
| Mar | 23 | Moderate |
| Apr | 30 | Moderate |
| May | 30 | Moderate |
| Jun | 24 | Moderate |
| Jul | 31 | Moderate |
| Aug | 21 | Moderate |
| Sep | 23 | Moderate |
| Oct | 18 | Moderate |
| Nov | 13 | Moderate |
| Dec | 13 | Moderate |
Where is Nā’īn?
Nā’īn sits at 32.9°N, 53.1°E, 1,564 m above sea level, in Iran. The nearest listed city is Ardestān, 88 km away.
Topography around Nā’īn
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Nā’īn.
Within 3 km, the terrain around Nā’īn has only modest variations in elevation — a maximum elevation change of 92 m around an average of 1,562 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 656 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,344 m.
The land around Nā’īn is covered by bare terrain (69%) and artificial surfaces (22%) within 3 km, bare terrain (98%) within 16 km, and bare terrain (99%) within 80 km.
Iran travel facts
- Travel advisory
- Level 4
- Do Not Travel
- Power plugs
- Type C / F
- 220 V · 50 Hz
- Prices
- ≈ 352% of US
- price level, 2025
- GDP per capita
- $3,924
- 2025
- Happiness
- 5.2 / 10
- World Happiness, 2025
- Safe drinking water
- 94%
- of population, 2024
- Homicide rate
- 2.4
- per 100k, 2014
- Road deaths
- 21.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 492
- 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 Nā’īn (32.8601°, 53.0875°, elevation 1,564 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.