Darreh Shahr in Summer

In summer (June, July and August), Darreh Shahr sees average daytime highs around 38°C and overnight lows near 20°C, with 1 mm of rain over about 0 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 34°C in early June to 37°C by late August. The sky is clear or mostly clear about 97% of the time across summer, and the air most often feels dry.

Summer is Darreh Shahr's weakest season of the year to visit on our travel score. For the whole year in context, see Darreh Shahr's year-round climate.

Avg daytime high
38°C
warmest season of the year
Avg overnight low
20°C
Rainfall
1 mm
0 wet days
Avg wind
7 km/h
Travel score
1.6
weakest season of the year
Months
Jun · Jul · Aug

Temperature in Darreh Shahr in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 34°C in early June to 37°C by late August.

A typical summer day in Darreh Shahr reaches about 38°C and drops to 20°C overnight. The warmest of the three months is July, the coolest June.

10°20°30°40°JunJulAug

How summer really feels in Darreh Shahr

Once humidity and wind are folded in, summer brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
92
30 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Darreh Shahr 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 939.62.310.12.6
Feb13° / 799.4110.83.6
Mar17° / 928.70.111.75.7
Apr22° / 10°687.6012.87.3
May29° / 14°163.2013.76.6
Jun36° / 18°00.1014.12.9
Jul39° / 21°000140.8
Aug39° / 20°00013.21.0
Sep34° / 16°10.1012.24.1
Oct27° / 11°273.1011.27.7
Nov18° / 737.2010.36.3
Dec13° / 878.50.69.83.7

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 97% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Darreh Shahr gets around 1 mm of rain over 0 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 7 km/h across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 hours in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 7.8 kWh/m².

02468JunJulAug
Planning a trip in summer

Hazard calendar for Darreh Shahr

In seasonPeak

None of Darreh Shahr's seasonal hazards peak in summer. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.

Darreh Shahr's rainy season runs November–April, when most of the year's rain falls.

Darreh Shahr sees seasonal dust haze (March–May), heaviest in May.

Rainy season
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Darreh Shahr?

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.

1.6
Sightseeing
4th-best month of the year
5.2
Beach & pool
2nd-best month of the year

summer is a weaker month for outdoor sightseeing in Darreh Shahr.

What to pack for Darreh Shahr in Summer

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

In summer, Darreh Shahr sees daytime highs around 38°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Darreh Shahr in Summer

LowModerateHighVery highExtreme

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 Darreh Shahr peaks around June 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 17UV 10Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May10Very high
Jun11Extreme
Jul10Very high
Aug10Very high
Sep7Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Darreh Shahr in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Darreh Shahr is worst in April — around 42 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (November, 26 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2142 µg/m³Nov 2326 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb32Moderate
Mar39Poor
Apr42Poor
May41Poor
Jun35Poor
Jul35Poor
Aug33Moderate
Sep32Moderate
Oct30Moderate
Nov26Moderate
Dec26Moderate
Location & terrain

Where is Darreh Shahr?

Darreh Shahr sits at 33.1°N, 47.4°E, 667 m above sea level, in Iran. The nearest listed city is Ābdānān, 17 km away.

ĪlāmAleshtar

Topography around Darreh Shahr

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

Within 3 km, the terrain around Darreh Shahr has significant variations in elevation — a maximum elevation change of 318 m around an average of 686 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,666 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,732 m.

The land around Darreh Shahr is covered by cropland (42%) and grassland (39%) within 3 km, grassland (62%) and cropland (22%) within 16 km, and grassland (63%) and bare terrain (21%) within 80 km.

3 km
318 m
16 km
1,666 m
80 km
2,732 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
Summer weather nearby: Ābdānān 17 km · Poldokhtar 31 km · Kūhdasht 48 km · Dehlorān 51 km · Khorramabad 98 km · ‘Alī al Gharbī 100 km · Īlām 104 km · Aleshtar 114 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
Muslim 99%Christian 1%Baha'i 0%agnostic 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 Darreh Shahr (33.1445°, 47.3799°, elevation 667 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.