Naţanz weather in May

In May, Naţanz sees average daytime highs of 28°C and overnight lows near 17°C, with 17 mm of rain across 4.9 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 25°C in the first days to 31°C by the end. The sky is clear or mostly clear about 53% 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 Naţanz's 10th-clearest and 5th-windiest month. For the whole year in context, see Naţanz's year-round climate.

Daytime high
28°
5th warmest
Overnight low
17°
8th coldest
Rainfall
17 mm
4.9 wet days
Daylight
13 h 42 min
5:07 AM – 6:50 PM
Cloud cover
41%
10th clearest
Wind
8 km/h
5th windiest
Solar energy
7.34 kWh/m²
Travel score
6.8
out of 10

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

A typical May day in Naţanz reaches about 28°C in the afternoon and slips back to 17°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 32°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)
12514
22514
32514
42615
52615
62615
72615
82615
92715
102716
112716
122716
132716
142816
152817
162817
172817
182917
192917
202917
212918
222918
233018
243018
253018
263018
273119
283119
293119
303119
313119

How May really feels in Naţanz

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.

Naţanz 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
Jan / -0°245.23.3102.2
Feb12° / 214.91.610.83.8
Mar17° / 316.91.111.76.1
Apr23° / 12°297.40.112.87.3
May28° / 17°174.9013.76.8
Jun34° / 22°20.5014.24.2
Jul36° / 24°10.20142.8
Aug35° / 23°00013.23.5
Sep31° / 19°10.1012.26.0
Oct25° / 13°92.7011.28.5
Nov16° / 224.80.610.35.8
Dec11° / 194.91.79.83.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 25%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26139
36337
46337
56436
66436
76535
86733
96832
106931
117030
127228
137327
147426
157525
167723
177723
187921
197921
208119
218119
228218
238317
248317
258416
268515
278515
288614
298614
308713
318713

Chance of precipitation in May

Any precipitation

Naţanz gets around 17 mm of rain over 4.9 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 16% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
126
226
326
426
525
625
724
823
922
1021
1120
1219
1318
1417
1516
1615
1714
1813
1912
2011
2111
2210
2310
249
259
268
278
288
297
307
316

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 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:20 AM to 4:59 AM, and sunset from 6:39 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:206:39
213.35:196:40
313.45:186:41
413.45:176:41
513.45:166:42
613.55:156:43
713.55:146:44
813.55:136:44
913.55:126:45
1013.65:116:46
1113.65:116:47
1213.65:106:47
1313.75:096:48
1413.75:086:49
1513.75:076:50
1613.75:076:50
1713.85:066:51
1813.85:056:52
1913.85:056:53
2013.85:046:53
2113.85:036:54
2213.95:036:55
2313.95:026:56
2413.95:026:56
2513.95:016:57
2613.95:016:58
2714.05:006:58
2814.05:006:59
2914.04:597:00
3014.04:597:00
3114.04:597:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.34 kWh/m².

For context, solar energy here swings from a low near 3.13 kWh/m² to a high of 7.92 kWh/m² in June across the year — May's 7.34 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
67.1Intense
77.1Intense
87.1Intense
97.2Intense
107.2Intense
117.2Intense
127.2Intense
137.3Intense
147.3Intense
157.3Intense
167.4Intense
177.4Intense
187.4Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.6Intense
247.6Intense
257.6Intense
267.6Intense
277.7Intense
287.7Intense
297.7Intense
307.7Intense
317.8Intense
Planning a trip in May

Hazard calendar for Naţanz

In seasonPeak

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

Naţanz 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 Naţanz?

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

6.8
Sightseeing
3rd-best month of the year
7.7
Beach & pool
3rd-best month of the year

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

What to pack for Naţanz in May

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

In May, Naţanz sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Naţanz 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 Naţanz peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 13 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 highHighModerateJul 17UV 11Jan 13UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May10Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep8Very high
Oct7High
Nov4Moderate
Dec4Moderate

Air quality in Naţanz 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 Naţanz 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 Naţanz?

Naţanz sits at 33.5°N, 51.9°E, 1,637 m above sea level, in Iran. The nearest listed city is Ardestān, 44 km away.

Topography around Naţanz

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

Within 3 km, the terrain around Naţanz has large variations in elevation — a maximum elevation change of 663 m around an average of 1,696 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,830 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,009 m.

The land around Naţanz is covered by bare terrain (64%) within 3 km, bare terrain (87%) within 16 km, and bare terrain (94%) within 80 km.

3 km
663 m
16 km
2,830 m
80 km
3,009 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Ardestān 44 km · Kashan 69 km · Ārān Bīdgol 73 km · Shāhīn Shahr 80 km · Dowlatābād 82 km · Dastgerd 82 km · Gaz-e Borkhar 83 km · Khowrzūq 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 Naţanz (33.5112°, 51.9181°, elevation 1,637 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).