Kashan weather in May

In May, Kashan sees average daytime highs of 30°C and overnight lows near 18°C, with 13 mm of rain across 2.8 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 27°C in the first days to 33°C by the end. The sky is clear or mostly clear about 56% 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 h 06 min by month's end. Set against the rest of the year, May is Kashan's 7th-clearest and 5th-windiest month. For the whole year in context, see Kashan's year-round climate.

Daytime high
30°
5th warmest
Overnight low
18°
8th coldest
Rainfall
13 mm
2.8 wet days
Daylight
13 h 48 min
5:08 AM – 6:53 PM
Cloud cover
39%
7th clearest
Wind
8 km/h
5th windiest
Solar energy
7.26 kWh/m²
Travel score
6.0
out of 10

Kashan is city in Isfahan Province, Iran.

Density
14,499/km²
people per km²

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 27°C in the first days to 33°C by the end.

A typical May day in Kashan reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12716
22716
32716
42816
52817
62817
72817
82817
92917
102917
112918
122918
132918
143018
153018
163018
173019
183119
193119
203119
213119
223119
233220
243220
253220
263220
273320
283321
293321
303321
313321

How May really feels in Kashan

Once humidity and wind are folded in, May averages 7 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
7
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.

Kashan 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° / 286.22.7102.7
Feb13° / 255.11.110.74.4
Mar19° / 346.30.611.76.7
Apr24° / 13°315.3012.87.7
May30° / 18°132.8013.76.0
Jun36° / 23°20.3014.22.8
Jul38° / 26°000141.1
Aug37° / 24°00.1013.31.8
Sep33° / 20°00.1012.24.8
Oct26° / 14°71.5011.18.4
Nov17° / 254.90.310.26.2
Dec12° / 255.40.79.83.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 21% of May, with mostly cloudy or overcast conditions the remaining 23%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16238
26238
36337
46337
56436
66535
76733
86832
96931
107129
117228
127426
137624
147723
157822
167921
178020
188218
198218
208416
218416
228515
238614
248614
258713
268713
278812
288812
298911
309010
319010

Chance of precipitation in May

Any precipitation

Kashan gets around 13 mm of rain over 2.8 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 9% and peaks near 17% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
117
217
316
416
516
615
714
814
913
1012
1111
1210
1310
149
158
167
177
186
196
206
215
225
235
245
255
265
275
284
294
304
314

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
23991
24991
25991
26991
27991
28982
29982
30982
31982

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
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 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:21 AM to 4:59 AM, and sunset from 6:42 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:216:42
213.45:206:42
313.45:196:43
413.45:186:44
513.55:176:45
613.55:166:46
713.55:156:46
813.55:146:47
913.65:136:48
1013.65:136:49
1113.65:126:50
1213.75:116:50
1313.75:106:51
1413.75:096:52
1513.75:086:53
1613.85:086:53
1713.85:076:54
1813.85:066:55
1913.85:066:56
2013.95:056:56
2113.95:046:57
2213.95:046:58
2313.95:036:59
2413.95:036:59
2514.05:027:00
2614.05:027:01
2714.05:017:01
2814.05:017:02
2914.05:007:03
3014.15:007:03
3114.14:597:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.26 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 7.88 kWh/m² in June across the year — May's 7.26 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.9Intense
46.9Intense
56.9Intense
67.0Intense
77.0Intense
87.0Intense
97.0Intense
107.1Intense
117.1Intense
127.2Intense
137.2Intense
147.2Intense
157.3Intense
167.3Intense
177.3Intense
187.3Intense
197.4Intense
207.4Intense
217.4Intense
227.5Intense
237.5Intense
247.5Intense
257.6Intense
267.6Intense
277.6Intense
287.6Intense
297.7Intense
307.7Intense
317.7Intense
Planning a trip in May

Hazard calendar for Kashan

In seasonPeak

None of Kashan's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Kashan 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 Kashan?

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

6.0
Sightseeing
5th-best month of the year
8.1
Beach & pool
2nd-best month of the year

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

What to pack for Kashan in May

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

In May, Kashan sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Kashan 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 Kashan peaks around July 18 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 18UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5High
Apr7Very high
May9Very high
Jun9Very high
Jul11Extreme
Aug10Very high
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kashan 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 Kashan is worst in April — around 38 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2038 µg/m³Nov 2124 µg/m³
PM2.5 (µg/m³)Level
Jan27Moderate
Feb30Moderate
Mar33Moderate
Apr38Poor
May37Poor
Jun29Moderate
Jul35Moderate
Aug26Moderate
Sep29Moderate
Oct26Moderate
Nov24Moderate
Dec25Moderate
Location & terrain

Where is Kashan?

Kashan sits at 34.0°N, 51.4°E, 942 m above sea level, in Iran. The nearest listed city is Ārān Bīdgol, 10 km away.

ArdestānGolpāyegān

Topography around Kashan

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

Within 3 km, the terrain around Kashan has only modest variations in elevation — a maximum elevation change of 42 m around an average of 949 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,529 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,049 m.

The land around Kashan is covered by artificial surfaces (76%) within 3 km, bare terrain (75%) within 16 km, and bare terrain (92%) within 80 km.

3 km
42 m
16 km
1,529 m
80 km
3,049 m
grasslandcroplandartificial surfacesbare terrain
May weather nearby: Ārān Bīdgol 10 km · Delījān 69 km · Naţanz 69 km · Shahrak-e Pardīsān 86 km · Qom 89 km · Maḩallāt 90 km · Ardestān 110 km · Golpāyegān 121 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 Kashan (33.9824°, 51.4277°, elevation 942 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).