Ardestān weather in May

In May, Ardestān sees average daytime highs of 31°C and overnight lows near 19°C, with 8 mm of rain across 2.1 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 33°C by the end. The sky is clear or mostly clear about 57% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Ardestān's 10th-clearest and 4th-windiest month. For the whole year in context, see Ardestān's year-round climate.

Daytime high
31°
5th warmest
Overnight low
19°
8th coldest
Rainfall
8 mm
2.1 wet days
Daylight
13 h 42 min
5:05 AM – 6:48 PM
Cloud cover
39%
10th clearest
Wind
9 km/h
4th windiest
Solar energy
7.33 kWh/m²
Travel score
5.7
out of 10

Ardestān is city in Isfahan 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 28°C in the first days to 33°C by the end.

A typical May day in Ardestān reaches about 31°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 35°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12816
22816
32816
42817
52817
62917
72917
82917
92917
102918
113018
123018
133018
143018
153019
163119
173119
183119
193119
203119
213220
223220
233220
243220
253320
263320
273321
283321
293321
303421
313421

How May really feels in Ardestān

Once humidity and wind are folded in, May averages 9 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
9
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.

Ardestān 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
Jan12° / 244.71.9103.6
Feb15° / 204110.85.2
Mar20° / 2750.311.77.3
Apr25° / 14°204.1012.87.8
May31° / 19°82.1013.75.7
Jun36° / 23°10.1014.22.7
Jul38° / 26°000141.2
Aug37° / 24°00013.22.0
Sep33° / 20°00012.24.6
Oct27° / 14°41.2011.28.2
Nov18° / 193.60.310.36.9
Dec13° / 184.30.59.84.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 24%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36337
46436
56535
66535
76634
86832
96931
107030
117129
127327
137426
147525
157624
167723
177822
187921
198020
208119
218218
228317
238317
248416
258416
268416
278614
288614
298713
308713
318911

Chance of precipitation in May

Any precipitation

Ardestān gets around 8 mm of rain over 2.1 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 7% and peaks near 11% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
111
211
311
411
511
610
710
810
910
109
119
128
138
147
157
166
176
185
195
204
214
224
234
243
253
263
273
283
293
303
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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
28991
29991
30991
31991

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:18 AM to 4:57 AM, and sunset from 6:37 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:186:37
213.35:176:38
313.45:166:39
413.45:156:39
513.45:146:40
613.55:146:41
713.55:136:42
813.55:126:42
913.55:116:43
1013.65:106:44
1113.65:096:45
1213.65:086:45
1313.65:076:46
1413.75:076:47
1513.75:066:48
1613.75:056:48
1713.75:046:49
1813.85:046:50
1913.85:036:51
2013.85:026:51
2113.85:026:52
2213.95:016:53
2313.95:016:53
2413.95:006:54
2513.95:006:55
2613.94:596:55
2714.04:596:56
2814.04:586:57
2914.04:586:57
3014.04:576:58
3114.04:576:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.33 kWh/m².

For context, solar energy here swings from a low near 3.1 kWh/m² to a high of 7.9 kWh/m² in June across the year — May's 7.33 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
27.0Intense
37.0Intense
47.0Intense
57.0Intense
67.0Intense
77.1Intense
87.1Intense
97.1Intense
107.2Intense
117.2Intense
127.2Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.4Intense
187.4Intense
197.4Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.6Intense
257.6Intense
267.6Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.7Intense
Planning a trip in May

Hazard calendar for Ardestān

In seasonPeak

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

Ardestān sees seasonal dust haze (July), heaviest in July.

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

Is May a good time to visit Ardestān?

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

5.7
Sightseeing
5th-best month of the year
8.1
Beach & pool
3rd-best month of the year

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

What to pack for Ardestān in May

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

In May, Ardestān sees daytime highs around 31°C and nights near 19°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ardestān 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 Ardestān peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 17UV 11Jan 12UV 3
UV index (midday)Level
Jan3Moderate
Feb5High
Mar6High
Apr8Very high
May10Extreme
Jun10Extreme
Jul12Extreme
Aug10Extreme
Sep9Very high
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Ardestān 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 Ardestān is worst in July — around 45 µg/m³ PM2.5 (poor), about 2.2× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1643 µg/m³Nov 2120 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar31Moderate
Apr38Poor
May38Poor
Jun36Poor
Jul45Poor
Aug33Moderate
Sep32Moderate
Oct25Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Ardestān?

Ardestān sits at 33.4°N, 52.4°E, 1,219 m above sea level, in Iran. The nearest listed city is Naţanz, 44 km away.

Isfahan

Topography around Ardestān

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

Within 3 km, the terrain around Ardestān has only modest variations in elevation — a maximum elevation change of 145 m around an average of 1,199 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,226 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,889 m.

The land around Ardestān is covered by bare terrain (71%) within 3 km, bare terrain (91%) within 16 km, and bare terrain (97%) within 80 km.

3 km
145 m
16 km
1,226 m
80 km
2,889 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Naţanz 44 km · Nā’īn 88 km · Dowlatābād 90 km · Dastgerd 92 km · Gaz-e Borkhar 95 km · Khowrzūq 95 km · Shāhīn Shahr 96 km · Isfahan 104 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 Ardestān (33.3794°, 52.3698°, elevation 1,219 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).