Darreh Shahr weather in August

In August, Darreh Shahr sees average daytime highs of 39°C and overnight lows near 20°C, with 0 mm of rain across 0 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 11th-wettest month of the year here.

Highs ease over the month, from about 39°C in the first days to 37°C by the end. The sky is clear or mostly clear about 99% of the time in August, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Darreh Shahr's 1st-clearest and 4th-windiest month. For the whole year in context, see Darreh Shahr's year-round climate.

Daytime high
39°
2nd warmest
Overnight low
20°
11th coldest
Rainfall
0 mm
0 wet days
Daylight
13 h 12 min
5:47 AM – 7:02 PM
Cloud cover
4%
1st clearest
Wind
6 km/h
4th windiest
Solar energy
7.43 kWh/m²
Travel score
1.0
out of 10

Darreh Shahr is city in Ilam Province, Iran.

Density
8,184/km²
people per km²
Founded
1964

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 39°C in the first days to 37°C by the end.

A typical August day in Darreh Shahr reaches about 39°C in the afternoon and slips back to 20°C overnight — a 18°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 41°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

20°30°40°151015202531
Avg high (°C)Avg low (°C)
13921
23921
33921
43921
53921
63921
73921
83921
93921
103921
113921
123921
133921
143921
153920
163920
173920
183920
193920
203820
213820
223820
233820
243819
253819
263819
273819
283819
293719
303718
313718

How August really feels in Darreh Shahr

Once humidity and wind are folded in, August averages 31 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
31
13 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Darreh Shahr weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 11th-wettest month here — the current month is highlighted below.

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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 99% of the time in August, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 1% of August, with mostly cloudy or overcast conditions the remaining 0%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Chance of precipitation in August

Any precipitation

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

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August 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%151015202531
Dry (%)Comfortable (%)
1991
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:37 AM to 5:58 AM, and sunset from 7:16 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:377:16
213.65:387:15
313.65:387:15
413.65:397:14
513.65:407:13
613.55:407:12
713.55:417:11
813.55:427:10
913.45:437:09
1013.45:437:08
1113.45:447:07
1213.45:457:06
1313.35:457:05
1413.35:467:04
1513.35:477:03
1613.25:477:02
1713.25:487:01
1813.25:496:59
1913.15:506:58
2013.15:506:57
2113.15:516:56
2213.05:526:55
2313.05:526:53
2413.05:536:52
2513.05:546:51
2612.95:546:50
2712.95:556:48
2812.95:566:47
2912.85:576:46
3012.85:576:44
3112.85:586:43

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 7.43 kWh/m².

For context, solar energy here swings from a low near 2.81 kWh/m² to a high of 8.06 kWh/m² in June across the year — August's 7.43 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.6Intense
27.6Intense
37.6Intense
47.6Intense
57.6Intense
67.6Intense
77.6Intense
87.6Intense
97.6Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.4Intense
187.4Intense
197.4Intense
207.3Intense
217.3Intense
227.3Intense
237.3Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.1Intense
297.1Intense
307.0Intense
317.0Intense
Planning a trip in August

Hazard calendar for Darreh Shahr

In seasonPeak

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

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 August a good time to visit Darreh Shahr?

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

1.0
Sightseeing
11th-best month of the year
4.6
Beach & pool
6th-best month of the year

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

What to pack for Darreh Shahr in August

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

In August, Darreh Shahr sees daytime highs around 39°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Darreh Shahr in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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. 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).