Bandar-e Deyr weather in May

In May, Bandar-e Deyr sees average daytime highs of 31°C and overnight lows near 27°C, with 1 mm of rain across 0.1 wet days and about 13.4 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 30°C in the first days to 33°C by the end. The sky is clear or mostly clear about 84% of the time in May, and the air most often feels humid.

Daylight stretches from about 13 hours at the start of May to 13 h 36 min by month's end. Set against the rest of the year, May is Bandar-e Deyr's 6th-clearest and 2nd-windiest month. For the whole year in context, see Bandar-e Deyr's year-round climate.

Daytime high
31°
5th warmest
Overnight low
27°
8th coldest
Rainfall
1 mm
0.1 wet days
Daylight
13 h 24 min
5:17 AM – 6:40 PM
Cloud cover
15%
6th clearest
Wind
15 km/h
2nd windiest
Solar energy
7.6 kWh/m²
Travel score
5.8
out of 10

Bandar-e Deyr is city in Bushehr Province, Iran.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 30°C in the first days to 33°C by the end.

A typical May day in Bandar-e Deyr reaches about 31°C in the afternoon and slips back to 27°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
12925
22925
33025
43026
53026
63026
73026
83026
93126
103127
113127
123127
133127
143127
153127
163227
173227
183228
193228
203228
213228
223228
233228
243328
253328
263328
273329
283329
293329
303329
313329

How May really feels in Bandar-e Deyr

Once humidity and wind are folded in, May averages 14 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
14
heat index over the day's high
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 Deyr 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° / 15°625.810.47.3
Feb20° / 16°293.2117.9
Mar23° / 19°222.911.88.5
Apr27° / 23°40.712.68.3
May31° / 27°10.113.45.8
Jun34° / 30°0013.74.2
Jul35° / 31°0013.63.5
Aug35° / 32°00133.4
Sep34° / 30°0012.24.2
Oct31° / 27°10.111.36.1
Nov26° / 22°252.310.68.3
Dec22° / 17°544.410.38.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 84% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 6% of May, with mostly cloudy or overcast conditions the remaining 10%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38317
48317
58416
68515
78515
88614
98713
108713
118911
128911
138911
148911
15919
16919
17919
18919
19928
20928
21937
22946
23946
24946
25955
26955
27964
28973
29973
30973
31973

Chance of precipitation in May

Any precipitation

Bandar-e Deyr gets around 1 mm of rain over 0.1 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 0% and peaks near 1% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
31
41
51
61
71
81
91
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
310

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1732471400
2631481500
3530491500
4530491600
5429501710
6428501710
7427501810
8327501910
9326502010
10325512010
11324512110
12323512210
13323512210
14422502310
15422492320
16421492420
17421482420
18421482520
19421472530
20421462630
21321452740
22321442741
23320432851
24320422861
25320412971
26319402981
27219393092
282183830102
292173830112
302163730123
311163630133

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 36 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 5:28 AM to 5:11 AM, and sunset from 6:31 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:286:31
213.15:276:31
313.15:266:32
413.15:266:33
513.15:256:33
613.25:246:34
713.25:236:34
813.25:226:35
913.25:226:36
1013.35:216:36
1113.35:206:37
1213.35:206:37
1313.35:196:38
1413.35:186:39
1513.45:186:39
1613.45:176:40
1713.45:176:40
1813.45:166:41
1913.45:166:42
2013.45:156:42
2113.55:156:43
2213.55:146:43
2313.55:146:44
2413.55:136:44
2513.55:136:45
2613.55:136:45
2713.65:126:46
2813.65:126:47
2913.65:126:47
3013.65:116:48
3113.65:116:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.6 kWh/m².

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 7.65 kWh/m² in June across the year — May's 7.6 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.3Intense
57.4Intense
67.4Intense
77.4Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.7Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.7Intense
Planning a trip in May

Hazard calendar for Bandar-e Deyr

In seasonPeak

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

Bandar-e Deyr sees seasonal dust haze (March–May), heaviest in April.

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

Is May a good time to visit Bandar-e Deyr?

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

5.8
Sightseeing
8th-best month of the year
8.8
Beach & pool
2nd-best month of the year

May is a reasonable time to visit Bandar-e Deyr for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bandar-e Deyr in May

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

In May, Bandar-e Deyr sees daytime highs around 31°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Bandar-e Deyr 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 offshore is warmest in August at about 34°C and coldest in February near 21°C.

The water stays above 20°C all year — warm enough for a swim any month.

20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb21Refreshing
Mar21Refreshing
Apr24Refreshing
May26Warm
Jun29Tropical
Jul32Tropical
Aug34Tropical
Sep33Tropical
Oct31Tropical
Nov28Warm
Dec25Warm

UV index in Bandar-e Deyr in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bandar-e Deyr peaks around June 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighVery highExtremeVery highHighHighModerateJun 18UV 11Dec 23UV 4
UV index (midday)Level
Jan4Moderate
Feb7High
Mar8Very high
Apr6High
May9Very high
Jun11Extreme
Jul10Very high
Aug9Very high
Sep7High
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Bandar-e Deyr 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 Deyr is worst in July — around 48 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (November, 23 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 2047 µg/m³Nov 2323 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb30Moderate
Mar33Moderate
Apr35Moderate
May40Poor
Jun37Poor
Jul48Poor
Aug44Poor
Sep38Poor
Oct33Moderate
Nov23Moderate
Dec23Moderate
Location & terrain

Where is Bandar-e Deyr?

Bandar-e Deyr sits at 27.8°N, 51.9°E, 9 m above sea level, in Iran. The nearest listed city is Bandar-e Kangān, 12 km away.

KhūrmūjFarrāshbandFīrūzābādPārsiān

Topography around Bandar-e Deyr

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

Within 3 km, the terrain around Bandar-e Deyr has only modest variations in elevation — a maximum elevation change of 69 m around an average of 9 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,072 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,544 m.

The land around Bandar-e Deyr is covered by bare terrain (42%) and water (38%) within 3 km, water (48%) and bare terrain (44%) within 16 km, and bare terrain (54%) and water (34%) within 80 km.

3 km
69 m
16 km
1,072 m
80 km
1,544 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Bandar-e Kangān 12 km · Jam 38 km · Makū 48 km · Nakhl-e Taqī 74 km · Khūrmūj 106 km · Farrāshband 114 km · Fīrūzābād 128 km · Pārsiān 129 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 Deyr (27.8399°, 51.9378°, elevation 9 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).