Khalkhāl in Summer
In summer (June, July and August), Khalkhāl sees average daytime highs around 25°C and overnight lows near 13°C, with 65 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 25°C by late August. The sky is clear or mostly clear about 66% of the time across summer, and the air most often feels dry.
Summer is Khalkhāl's best season of the year to visit on our travel score. For the whole year in context, see Khalkhāl's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 13°C
- Rainfall
- 65 mm
- 18 wet days
- Avg wind
- 8 km/h
- Travel score
- 7.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Khalkhāl in Summer
Over the season highs climb from about 23°C in early June to 25°C by late August.
A typical summer day in Khalkhāl reaches about 25°C and drops to 13°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Khalkhāl
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.
Khalkhāl 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 | 1° / -7° | 56 | 8.9 | 9.1 | 9.7 | 0.0 |
| Feb | 3° / -5° | 65 | 10.3 | 9.6 | 10.5 | 0.0 |
| Mar | 8° / -1° | 82 | 13.3 | 9.7 | 11.7 | 1.3 |
| Apr | 14° / 4° | 89 | 14.2 | 3.2 | 12.9 | 3.8 |
| May | 19° / 8° | 65 | 13.8 | 0.3 | 14 | 5.8 |
| Jun | 24° / 12° | 30 | 8.3 | 0 | 14.5 | 7.7 |
| Jul | 26° / 14° | 19 | 4.8 | 0 | 14.3 | 8.1 |
| Aug | 26° / 14° | 16 | 5 | 0 | 13.4 | 8.0 |
| Sep | 23° / 11° | 35 | 9 | 0 | 12.3 | 7.3 |
| Oct | 17° / 6° | 64 | 10.2 | 1.3 | 11 | 5.6 |
| Nov | 9° / 0° | 78 | 10.4 | 6 | 10 | 1.7 |
| Dec | 3° / -5° | 56 | 8.8 | 8.4 | 9.4 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 66% of the time across summer.
Chance of precipitation in Summer
Khalkhāl gets around 65 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 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 24 min in early June to 12 h 54 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 7.1 kWh/m².
Is summer a good time to visit Khalkhāl?
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 one of the better times to visit Khalkhāl for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Khalkhāl in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Khalkhāl sees daytime highs around 25°C and nights near 13°C. Pack sun protection. Worth having: light clothes and rain gear. About 18 days see rain.
Sea temperature near Khalkhāl in Summer
The nearest coast averages about 26°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 52 km away) is warmest in August at about 28°C and coldest in February near 10°C.
It's comfortable for a long swim from May 22 to Nov 4 — about 5.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 12 | 10 | 10 | 13 | 19 | 24 | 27 | 28 | 26 | 23 | 18 | 14 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Warm | Warm | Warm | Warm | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 12 | Bracing |
| Feb | 10 | Bracing |
| Mar | 10 | Bracing |
| Apr | 13 | Bracing |
| May | 19 | Cool |
| Jun | 24 | Warm |
| Jul | 27 | Warm |
| Aug | 28 | Warm |
| Sep | 26 | Warm |
| Oct | 23 | Refreshing |
| Nov | 18 | Cool |
| Dec | 14 | Bracing |
UV index in Khalkhāl 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 Khalkhāl peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 | 4 | 5 | 7 | 8 | 10 | 11 | 10 | 7 | 5 | 3 | 3 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 10 | Extreme |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 3 | Moderate |
Air quality in Khalkhāl 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 Khalkhāl is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (July, 15 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) | 18 | 19 | 25 | 25 | 23 | 18 | 15 | 18 | 20 | 18 | 17 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 19 | Moderate |
| Mar | 25 | Moderate |
| Apr | 25 | Moderate |
| May | 23 | Moderate |
| Jun | 18 | Moderate |
| Jul | 15 | Moderate |
| Aug | 18 | Moderate |
| Sep | 20 | Moderate |
| Oct | 18 | Moderate |
| Nov | 17 | Moderate |
| Dec | 17 | Moderate |
Where is Khalkhāl?
Khalkhāl sits at 37.6°N, 48.5°E, 1,795 m above sea level, in Iran. The nearest listed city is Hashtpar, 39 km away.
Topography around Khalkhāl
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Khalkhāl.
Within 3 km, the terrain around Khalkhāl has significant variations in elevation — a maximum elevation change of 278 m around an average of 1,862 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,079 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,325 m.
The land around Khalkhāl is covered by grassland (46%), cropland (28%) and artificial surfaces (20%) within 3 km, grassland (75%) within 16 km, and grassland (47%) and cropland (22%) 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 Khalkhāl (37.6184°, 48.5293°, elevation 1,795 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.