Shiraz weather in May

In May, Shiraz sees average daytime highs of 28°C and overnight lows near 14°C, with 8 mm of rain across 2.2 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 31°C by the end. The sky is clear or mostly clear about 72% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of May to 13 h 42 min by month's end. Set against the rest of the year, May is Shiraz's 6th-clearest and 1st-windiest month. For the whole year in context, see Shiraz's year-round climate.

Daytime high
28°
5th warmest
Overnight low
14°
8th coldest
Rainfall
8 mm
2.2 wet days
Daylight
13 h 30 min
5:12 AM – 6:41 PM
Cloud cover
26%
6th clearest
Wind
7 km/h
1st windiest
Solar energy
7.77 kWh/m²
Travel score
7.6
out of 10

Shiraz is city in Fars Province, Iran.

Air quality
High
PM2.5 25.2 µg/m³ · 2020
Density
5,208/km²
people per km²
Founded
~2000 BCE

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 25°C in the first days to 31°C by the end.

A typical May day in Shiraz reaches about 28°C in the afternoon and slips back to 14°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, May runs about 7°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12412
22412
32512
42512
52512
62513
72613
82613
92613
102613
112614
122714
132714
142714
152714
162814
172815
182815
192815
202915
212915
222916
232916
243016
253016
263016
273017
283117
293117
303117
313117

How May really feels in Shiraz

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Shiraz weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / -1°987.4310.32.4
Feb12° / 716.91.110.93.5
Mar16° / 757.50.211.85.5
Apr21° / 365.8012.77.4
May28° / 14°82.2013.57.6
Jun33° / 19°00.1013.94.6
Jul35° / 21°10.2013.73.3
Aug34° / 20°10.3013.14.0
Sep31° / 17°10.2012.26.4
Oct25° / 12°31011.39.0
Nov17° / 344.1010.56.7
Dec12° / 695.20.810.14.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17525
27624
37723
47723
57822
67921
78020
88020
98218
108218
118317
128317
138515
148515
158515
168614
178713
188713
198812
208812
218812
228812
239010
249010
259010
26919
27928
28928
29937
30946
31946

Chance of precipitation in May

Any precipitation

Shiraz gets around 8 mm of rain over 2.2 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 7% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
115
215
314
414
513
613
712
812
911
1010
1110
129
138
148
157
166
176
185
195
204
214
224
233
243
253
263
272
282
292
302
312

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 7 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 06 min at the start of May to 13 h 42 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 5:23 AM to 5:05 AM, and sunset from 6:31 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:236:31
213.25:226:32
313.25:216:32
413.25:216:33
513.25:206:33
613.35:196:34
713.35:186:35
813.35:176:35
913.35:176:36
1013.35:166:37
1113.45:156:37
1213.45:146:38
1313.45:146:39
1413.45:136:39
1513.55:126:40
1613.55:126:41
1713.55:116:41
1813.55:116:42
1913.55:106:42
2013.65:096:43
2113.65:096:44
2213.65:086:44
2313.65:086:45
2413.65:076:46
2513.75:076:46
2613.75:076:47
2713.75:066:47
2813.75:066:48
2913.75:066:48
3013.75:056:49
3113.75:056:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.77 kWh/m².

For context, solar energy here swings from a low near 3.62 kWh/m² to a high of 8.02 kWh/m² in June across the year — May's 7.77 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.4Intense
47.4Intense
57.4Intense
67.5Intense
77.5Intense
87.5Intense
97.6Intense
107.6Intense
117.6Intense
127.7Intense
137.7Intense
147.7Intense
157.8Intense
167.8Intense
177.8Intense
187.8Intense
197.9Intense
207.9Intense
217.9Intense
227.9Intense
237.9Intense
248.0Intense
258.0Intense
268.0Intense
278.0Intense
288.0Intense
298.0Intense
308.0Intense
318.0Intense
Planning a trip in May

Is May a good time to visit Shiraz?

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

7.6
Sightseeing
2nd-best month of the year
8.3
Beach & pool
2nd-best month of the year

May is one of the better times to visit Shiraz for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Shiraz in May

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

In May, Shiraz sees daytime highs around 28°C and nights near 14°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Shiraz in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Shiraz peaks around July 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 9 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJul 18UV 12Jan 9UV 4
UV index (midday)Level
Jan4Moderate
Feb7High
Mar8Very high
Apr8Very high
May10Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep10Very high
Oct8Very high
Nov5High
Dec4Moderate

Air quality in Shiraz 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 Shiraz is worst in April — around 34 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (September, 20 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Shiraz's WHO annual average of 25.2 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1733 µg/m³Sep 1020 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb26Moderate
Mar31Moderate
Apr34Moderate
May31Moderate
Jun24Moderate
Jul27Moderate
Aug21Moderate
Sep20Moderate
Oct22Moderate
Nov21Moderate
Dec23Moderate
Location & terrain

Where is Shiraz?

Shiraz sits at 29.6°N, 52.5°E, 1,545 m above sea level, in Iran. The nearest listed city is Shahr-e Ṣadrā, 21 km away.

Topography around Shiraz

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

Within 3 km, the terrain around Shiraz has only modest variations in elevation — a maximum elevation change of 85 m around an average of 1,540 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,314 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,586 m.

The land around Shiraz is covered by artificial surfaces (93%) within 3 km, grassland (41%) and artificial surfaces (22%) within 16 km, and grassland (48%) and cropland (25%) within 80 km.

3 km
85 m
16 km
1,314 m
80 km
2,586 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Shahr-e Ṣadrā 21 km · Zarqān 26 km · Marvdasht 39 km · Kavār 48 km · Sarvestān 77 km · Sa‘ādat Shahr 78 km · Arsanjān 82 km · Kāzerūn 85 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 Shiraz (29.6103°, 52.5311°, elevation 1,545 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).