Isfahan in Summer

In summer (June, July and August), Isfahan sees average daytime highs around 36°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.

Across summer, daytime highs hold fairly steady around 36°C. The sky is clear or mostly clear about 93% of the time across summer, and the air most often feels dry.

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

Avg daytime high: 36°C; warmest season of the year
Avg overnight low: 20°C
Rainfall: 1 mm; 0 wet days
Avg wind: 8 km/h
Travel score: 2.6; weakest season of the year
Months: Jun · Jul · Aug

← Spring Isfahan year-round climate Fall →

Spring Summer Fall Winter

Temperature in Isfahan in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 36°C.

A typical summer day in Isfahan reaches about 36°C and drops to 20°C overnight. The warmest of the three months is July, the coolest June.

How summer really feels in Isfahan

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Isfahan 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	10° / -2°	15	3.3	1.7	10.1	2.6
Feb	13° / 0°	12	2.7	0.4	10.8	4.7
Mar	18° / 4°	15	3.5	0	11.8	7.1
Apr	24° / 10°	10	3	0	12.8	8.1
May	29° / 15°	7	1.9	0	13.7	6.6
Jun	35° / 19°	1	0.3	0	14.1	3.4
Jul	38° / 22°	0	0	0	13.9	1.7
Aug	36° / 20°	0	0	0	13.2	2.6
Sep	32° / 15°	0	0.1	0	12.2	5.3
Oct	25° / 10°	3	0.7	0	11.2	8.7
Nov	17° / 4°	15	2.5	0.2	10.3	6.5
Dec	11° / -0°	12	3	0.5	9.9	3.5

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 93% of the time across summer.

Chance of precipitation in Summer

Any precipitation

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

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.

Wind in Summer

Winds average 8 km/h across summer.

Sunrise & sunset in Summer

DaylightNight

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

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 7.7 kWh/m².

Planning a trip in summer

Is summer a good time to visit Isfahan?

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.

2.6

Sightseeing

4th-best month of the year

6.3

Beach & pool

1st-best month of the year

summer is a weaker month for outdoor sightseeing in Isfahan. The water and warmth also suit a beach or pool day.

What to pack for Isfahan in Summer

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

In summer, Isfahan sees daytime highs around 36°C and nights near 20°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Isfahan in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Isfahan peaks around July 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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	5	6	8	10	10	11	10	8	7	4	3
Level	Moderate	High	High	Very high	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Moderate	Moderate

	UV index (midday)	Level
Jan	3	Moderate
Feb	5	High
Mar	6	High
Apr	8	Very high
May	10	Extreme
Jun	10	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	7	Very high
Nov	4	Moderate
Dec	3	Moderate

Air quality in Isfahan 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 Isfahan is worst in April — around 39 µg/m³ PM2.5 (poor), about 1.7× the cleanest month (August, 23 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Isfahan's WHO annual average of 29.9 µg/m³.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	29	31	34	39	37	27	32	23	28	27	25	27
Level	Moderate	Moderate	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	29	Moderate
Feb	31	Moderate
Mar	34	Moderate
Apr	39	Poor
May	37	Poor
Jun	27	Moderate
Jul	32	Moderate
Aug	23	Moderate
Sep	28	Moderate
Oct	27	Moderate
Nov	25	Moderate
Dec	27	Moderate

Location & terrain

Where is Isfahan?

Isfahan sits at 32.7°N, 51.7°E, 1,578 m above sea level, in Iran. The nearest listed city is Rehnān, 8.0 km away.

Topography around Isfahan

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

Within 3 km, the terrain around Isfahan has only modest variations in elevation — a maximum elevation change of 38 m around an average of 1,575 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 684 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,808 m.

The land around Isfahan is covered by artificial surfaces (93%) within 3 km, bare terrain (38%), artificial surfaces (35%) and cropland (23%) within 16 km, and bare terrain (85%) within 80 km.

3 km

38 m

artificial surfaces 93%

16 km

684 m

bare terrain 38%

80 km

1,808 m

bare terrain 85%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← Spring Isfahan year-round climate Fall →

Summer weather nearby: Rehnān 8.0 km · Dorcheh Pīāz 12 km · Khomeynī Shahr 13 km · Khowrzūq 14 km · Abrīsham 14 km · Dowlatābād 16 km · Dastgerd 17 km · Gaz-e Borkhar 18 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 Isfahan (32.6525°, 51.6746°, elevation 1,578 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.