Sanandaj weather in May

In May, Sanandaj sees average daytime highs of 23°C and overnight lows near 9°C, with 29 mm of rain across 6.8 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 26°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 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Sanandaj's 6th-clearest and 3rd-windiest month. For the whole year in context, see Sanandaj's year-round climate.

Daytime high
23°
5th warmest
Overnight low
8th coldest
Rainfall
29 mm
6.8 wet days
Daylight
13 h 54 min
5:23 AM – 7:14 PM
Cloud cover
37%
6th clearest
Wind
8 km/h
3rd windiest
Solar energy
7.32 kWh/m²
Travel score
7.5
out of 10

Sanandaj is city in Kurdistan Province, Iran.

Air quality
High
PM10 99.6 µg/m³ · 2010
Density
115/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 20°C in the first days to 26°C by the end.

A typical May day in Sanandaj reaches about 23°C in the afternoon and slips back to 9°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, May runs about 6°C warmer than April and about 8°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1197
2197
3207
4207
5208
6208
7208
8218
9218
10218
11219
12229
13229
14229
15229
16239
17239
182310
192310
202410
212410
222410
232410
242511
252511
262511
272611
282611
292611
302612
312712

How May really feels in Sanandaj

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.

Sanandaj 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 / -8°649.89.29.90.0
Feb / -6°679.6810.70.1
Mar10° / -1°7611.25.211.72.4
Apr16° / 6210.70.712.95.2
May23° / 296.8013.87.5
Jun30° / 14°20.5014.36.7
Jul34° / 17°10.2014.13.8
Aug34° / 16°00.2013.33.9
Sep29° / 12°10.5012.27.3
Oct22° / 265011.17.9
Nov13° / 527.71.410.13.7
Dec / -4°578.35.99.70.5

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 20% 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 (%)
16535
26535
36535
46634
56634
66733
76832
86931
96931
107129
117228
127327
137525
147525
157723
167921
178020
188119
198218
208218
218416
228416
238515
248515
258614
268713
278713
288812
298911
308911
319010

Chance of precipitation in May

Any precipitation

Sanandaj gets around 29 mm of rain over 6.8 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 22% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
331
431
530
630
729
829
928
1027
1127
1226
1325
1424
1523
1622
1721
1821
1920
2019
2118
2217
2316
2415
2514
2614
2713
2812
2911
3010
319

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.

051015151015202531
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 24 min at the start of May to 14 h 12 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 5:37 AM to 5:14 AM, and sunset from 7:01 PM to 7:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:377:01
213.45:367:02
313.55:357:03
413.55:347:04
513.55:337:05
613.65:327:06
713.65:317:06
813.65:307:07
913.75:297:08
1013.75:287:09
1113.75:277:10
1213.75:267:11
1313.85:257:11
1413.85:247:12
1513.85:237:13
1613.95:237:14
1713.95:227:15
1813.95:217:15
1913.95:207:16
2014.05:207:17
2114.05:197:18
2214.05:187:19
2314.05:187:19
2414.05:177:20
2514.15:177:21
2614.15:167:21
2714.15:167:22
2814.15:157:23
2914.15:157:24
3014.25:147:24
3114.25:147:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.32 kWh/m².

For context, solar energy here swings from a low near 2.73 kWh/m² to a high of 8.06 kWh/m² in June across the year — May's 7.32 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.9Intense
56.9Intense
66.9Intense
77.0Intense
87.0Intense
97.0Intense
107.1Intense
117.1Intense
127.2Intense
137.2Intense
147.3Intense
157.3Intense
167.3Intense
177.4Intense
187.4Intense
197.5Intense
207.5Intense
217.5Intense
227.6Intense
237.6Intense
247.7Intense
257.7Intense
267.7Intense
277.7Intense
287.8Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Is May a good time to visit Sanandaj?

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

7.5
Sightseeing
2nd-best month of the year
5.6
Beach & pool
5th-best month of the year

May is one of the better times to visit Sanandaj for general sightseeing.

What to pack for Sanandaj in May

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

In May, Sanandaj sees daytime highs around 23°C and nights near 9°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

UV index in Sanandaj 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 Sanandaj peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 14UV 11Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr7Very high
May10Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sanandaj 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 Sanandaj is worst in May — around 35 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateMay 935 µg/m³Dec 2323 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb26Moderate
Mar32Moderate
Apr35Moderate
May35Poor
Jun28Moderate
Jul27Moderate
Aug24Moderate
Sep27Moderate
Oct27Moderate
Nov24Moderate
Dec23Moderate
Location & terrain

Where is Sanandaj?

Sanandaj sits at 35.3°N, 47.0°E, 1,494 m above sea level, in Iran. The nearest listed city is Kāmyārān, 58 km away.

Topography around Sanandaj

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

Within 3 km, the terrain around Sanandaj has significant variations in elevation — a maximum elevation change of 541 m around an average of 1,555 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,335 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,736 m.

The land around Sanandaj is covered by artificial surfaces (55%) and grassland (30%) within 3 km, grassland (75%) within 16 km, and grassland (59%) and cropland (37%) within 80 km.

3 km
541 m
16 km
1,335 m
80 km
2,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Kāmyārān 58 km · Pāveh 66 km · Dīvāndarreh 67 km · Javānrūd 73 km · Ravānsar 74 km · Qorveh 75 km · Marīvān 77 km · Sonqor 81 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 Sanandaj (35.315°, 46.9988°, elevation 1,494 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).