Rasht weather in August

In August, Rasht sees average daytime highs of 29°C and overnight lows near 21°C, with 109 mm of rain across 10.6 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 47% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Rasht's 3rd-clearest and 8th-windiest month. For the whole year in context, see Rasht's year-round climate.

Daytime high
29°
1st warmest
Overnight low
21°
11th coldest
Rainfall
109 mm
10.6 wet days
Daylight
13 h 24 min
5:32 AM – 6:59 PM
Cloud cover
46%
3rd clearest
Wind
6 km/h
8th windiest
Solar energy
5.47 kWh/m²
Travel score
5.7
out of 10

Rasht is city in Gilan Province, Iran.

Air quality
Elevated
PM2.5 20.5 µg/m³ · 2016
Density
3,303/km²
people per km²

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 30°C in the first days to 28°C by the end.

A typical August day in Rasht reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, August runs on par with July and about 4°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13021
23021
33021
43021
53021
63021
73021
83021
93021
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232821
242821
252821
262820
272820
282820
292820
302820
312820

Rasht weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 12512.62.39.72.6
Feb11° / 12212.43.210.62.7
Mar15° / 11814.40.911.73.9
Apr18° / 10°8812.9012.95.4
May23° / 15°569.50146.8
Jun27° / 19°718014.57.1
Jul29° / 21°828.5014.36.0
Aug29° / 21°10910.6013.45.7
Sep25° / 18°18914.4012.36.0
Oct22° / 14°22215.40115.8
Nov17° / 20114.10.4104.7
Dec13° / 13612.319.53.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 47% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 41%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16832
26832
36733
46733
56733
66535
76535
86436
96337
106238
116139
126139
136040
146040
155941
165941
175842
185842
195743
205743
215743
225644
235644
245545
255446
265545
275446
285347
295347
305248
315248

Chance of precipitation in August

Any precipitation

Rasht gets around 109 mm of rain over 10.6 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 34% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
125
225
326
427
528
629
730
831
932
1033
1133
1234
1334
1434
1535
1635
1735
1835
1936
2036
2136
2237
2337
2437
2538
2638
2739
2839
2940
3040
3141

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 84% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
121850282
221850282
321850282
421850292
521850292
621750292
721749302
821649302
921649312
1021549313
1121549323
1211450323
1311450323
1411351323
1511351323
1611352313
1711253313
1811253313
1911253313
2011253313
2111253313
2211254303
2311353303
2411353303
2511453293
2611453293
2711553283
2811553283
2911652283
3011752273
3111851273

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 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:20 AM to 5:45 AM, and sunset from 7:16 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:207:16
213.95:207:15
313.95:217:14
413.85:227:13
513.85:237:12
613.85:247:11
713.75:257:10
813.75:267:09
913.75:267:07
1013.75:277:06
1113.65:287:05
1213.65:297:04
1313.55:307:03
1413.55:317:02
1513.55:327:00
1613.45:326:59
1713.45:336:58
1813.45:346:56
1913.35:356:55
2013.35:366:54
2113.35:376:52
2213.25:386:51
2313.25:386:50
2413.15:396:48
2513.15:406:47
2613.15:416:45
2713.05:426:44
2813.05:436:42
2913.05:446:41
3012.95:446:40
3112.95:456:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.47 kWh/m².

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 6.21 kWh/m² in June across the year — August's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Bright
36.0Bright
45.9Bright
55.9Bright
65.9Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in August

Is August a good time to visit Rasht?

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

5.7
Sightseeing
6th-best month of the year
7.0
Beach & pool
3rd-best month of the year

August is a reasonable time to visit Rasht for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Rasht in August

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

In August, Rasht sees daytime highs around 29°C and nights near 21°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Rasht in August

The nearest coast averages about 28°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 39 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 3 — about 5.5 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar11Bracing
Apr13Bracing
May19Cool
Jun24Warm
Jul27Warm
Aug28Warm
Sep26Warm
Oct23Refreshing
Nov18Cool
Dec15Bracing

UV index in Rasht in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rasht peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 9Jan 12UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep6High
Oct5Moderate
Nov3Moderate
Dec2Moderate

Air quality in Rasht 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 Rasht is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 14 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Rasht's WHO annual average of 20.5 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1825 µg/m³Jul 1314 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb21Moderate
Mar26Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul14Moderate
Aug19Moderate
Sep24Moderate
Oct22Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Rasht?

Rasht sits at 37.3°N, 49.6°E, 4 m above sea level, in Iran. The nearest listed city is Khomām, 14 km away.

Topography around Rasht

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

Within 3 km, the terrain around Rasht has only modest variations in elevation — a maximum elevation change of 26 m around an average of -1 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 375 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,110 m.

The land around Rasht is covered by artificial surfaces (89%) within 3 km, cropland (50%) and trees (24%) within 16 km, and water (34%), trees (27%) and grassland (23%) within 80 km.

3 km
26 m
16 km
375 m
80 km
3,110 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Khomām 14 km · Şowme‘eh Sarā 24 km · Bandar-e Anzalī 25 km · Fūman 25 km · Sīāhkal 29 km · Āstāneh-ye Ashrafīyeh 31 km · Lāhījān 38 km · Māsāl 41 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 Rasht (37.2761°, 49.5886°, elevation 4 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).