Bandar-e Emam Khomeyni weather in May

In May, Bandar-e Emam Khomeyni sees average daytime highs of 40°C and overnight lows near 26°C, with 3 mm of rain across 0.4 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 37°C in the first days to 43°C by the end. The sky is clear or mostly clear about 74% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 48 min by month's end. Set against the rest of the year, May is Bandar-e Emam Khomeyni's 6th-clearest and 4th-windiest month. For the whole year in context, see Bandar-e Emam Khomeyni's year-round climate.

Daytime high
40°
5th warmest
Overnight low
26°
8th coldest
Rainfall
3 mm
0.4 wet days
Daylight
13 h 30 min
5:24 AM – 6:56 PM
Cloud cover
24%
6th clearest
Wind
16 km/h
4th windiest
Solar energy
7.42 kWh/m²
Travel score
0.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 37°C in the first days to 43°C by the end.

A typical May day in Bandar-e Emam Khomeyni reaches about 40°C in the afternoon and slips back to 26°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 43°C. Set against its neighbours, May runs about 7°C warmer than April and about 5°C cooler than June.

20°30°40°50°151015202531
Avg high (°C)Avg low (°C)
13624
23724
33724
43724
53725
63725
73825
83825
93825
103826
113926
123926
133926
143926
154026
164026
174027
184027
194127
204127
214127
224127
234228
244228
254228
264228
274328
284328
294328
304329
314329

How May really feels in Bandar-e Emam Khomeyni

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

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

Bandar-e Emam Khomeyni weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 10°475.710.37.0
Feb21° / 11°273.910.97.9
Mar26° / 15°283.911.88.0
Apr33° / 21°101.912.74.5
May40° / 26°30.413.50.6
Jun45° / 30°00.113.90.0
Jul46° / 31°0013.80.0
Aug46° / 31°0013.10.0
Sep42° / 27°00.112.20.0
Oct36° / 22°50.911.32.7
Nov27° / 16°653.910.57.5
Dec20° / 11°565.810.17.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47426
57426
67426
77525
87624
97723
107723
117921
127921
138020
148119
158218
168317
178416
188515
198614
208713
218812
228812
238911
249010
259010
26928
27928
28937
29946
30946
31946

Chance of precipitation in May

Any precipitation

Bandar-e Emam Khomeyni gets around 3 mm of rain over 0.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 1% and peaks near 4% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
14
24
34
43
53
63
73
82
92
102
112
122
131
141
151
161
171
181
191
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
17316920
27316920
37416820
47416820
57416820
67416820
77416820
87416820
97416820
107515820
117515820
127415830
137614730
147614730
157713730
167713730
177812730
187812730
197812730
207911730
218011630
228011630
238110630
248110630
258110630
268210620
27839620
28839620
29839620
30838621
31838621

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3118light breeze

Sunrise & sunset in May

DaylightNight

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

Days grow by about 36 minutes over May. Sunrise moves from 5:36 AM to 5:17 AM, and sunset from 6:46 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:366:46
213.25:356:46
313.25:346:47
413.25:336:48
513.35:326:48
613.35:316:49
713.35:316:50
813.35:306:50
913.45:296:51
1013.45:286:52
1113.45:276:52
1213.45:276:53
1313.55:266:54
1413.55:256:54
1513.55:256:55
1613.55:246:56
1713.65:236:56
1813.65:236:57
1913.65:226:58
2013.65:226:58
2113.65:216:59
2213.75:207:00
2313.75:207:00
2413.75:197:01
2513.75:197:02
2613.75:197:02
2713.75:187:03
2813.85:187:03
2913.85:187:04
3013.85:177:05
3113.85:177:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.42 kWh/m².

For context, solar energy here swings from a low near 3.17 kWh/m² to a high of 7.81 kWh/m² in June across the year — May's 7.42 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.0Intense
27.0Intense
37.0Intense
47.0Intense
57.1Intense
67.1Intense
77.2Intense
87.2Intense
97.2Intense
107.2Intense
117.3Intense
127.3Intense
137.3Intense
147.4Intense
157.4Intense
167.4Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.6Intense
227.6Intense
237.6Intense
247.6Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.8Intense
Planning a trip in May

Hazard calendar for Bandar-e Emam Khomeyni

In seasonPeak

In May, Bandar-e Emam Khomeyni sits inside its dust season. The full year is below, with each hazard's peak months called out.

Bandar-e Emam Khomeyni sees seasonal dust haze (March–July), heaviest in May.

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

Is May a good time to visit Bandar-e Emam Khomeyni?

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

0.6
Sightseeing
8th-best month of the year
3.2
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Bandar-e Emam Khomeyni.

What to pack for Bandar-e Emam Khomeyni in May

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

In May, Bandar-e Emam Khomeyni sees daytime highs around 40°C and nights near 26°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Bandar-e Emam Khomeyni in May

The nearest coast averages about 26°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 35 km away) is warmest in August at about 33°C and coldest in February near 16°C.

It's comfortable for a long swim from Apr 1 to Dec 10 — about 8.4 months when the water holds above 20°C.

20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar18Cool
Apr22Refreshing
May26Warm
Jun29Tropical
Jul31Tropical
Aug33Tropical
Sep31Tropical
Oct28Tropical
Nov24Refreshing
Dec19Cool

UV index in Bandar-e Emam Khomeyni in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bandar-e Emam Khomeyni peaks around July 14 at about 10 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 14UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr6High
May7High
Jun10Very high
Jul10Extreme
Aug10Very high
Sep6High
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Bandar-e Emam Khomeyni in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Bandar-e Emam Khomeyni is worst in May — around 55 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorMay 1055 µg/m³Nov 1045 µg/m³
PM2.5 (µg/m³)Level
Jan50Poor
Feb50Poor
Mar53Poor
Apr54Poor
May55Unhealthy
Jun45Poor
Jul46Poor
Aug45Poor
Sep46Poor
Oct45Poor
Nov45Poor
Dec49Poor
Location & terrain

Where is Bandar-e Emam Khomeyni?

Bandar-e Emam Khomeyni sits at 30.4°N, 49.1°E, 3 m above sea level, in Iran. The nearest listed city is Bandar-e Māhshahr, 16 km away.

Topography around Bandar-e Emam Khomeyni

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bandar-e Emam Khomeyni.

Within 3 km, the terrain around Bandar-e Emam Khomeyni has only modest variations in elevation — a maximum elevation change of 14 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, significant variations in elevation — a maximum elevation change of 574 m.

The land around Bandar-e Emam Khomeyni is covered by water (57%) and artificial surfaces (27%) within 3 km, bare terrain (45%) and water (45%) within 16 km, and bare terrain (48%) and water (25%) within 80 km.

3 km
14 m
16 km
25 m
80 km
574 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Bandar-e Māhshahr 16 km · Chamrān 31 km · Shādegān 48 km · Rāmshīr 59 km · Hendījān 63 km · Omīdīyeh 68 km · Aghajari 76 km · Abadan 77 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 Bandar-e Emam Khomeyni (30.437°, 49.1029°, elevation 3 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).