Orūmīyeh weather in May

In May, Orūmīyeh sees average daytime highs of 21°C and overnight lows near 9°C, with 41 mm of rain across 8.4 wet days and about 14 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 24°C by the end. The sky is clear or mostly clear about 49% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Orūmīyeh's 6th-clearest and 5th-windiest month. For the whole year in context, see Orūmīyeh's year-round climate.

Daytime high
21°
5th warmest
Overnight low
8th coldest
Rainfall
41 mm
8.4 wet days
Daylight
14 hours
5:26 AM – 7:26 PM
Cloud cover
43%
6th clearest
Wind
8 km/h
5th windiest
Solar energy
7.03 kWh/m²
Travel score
7.1
out of 10

Orūmīyeh is city in West Azerbaijan Province, Iran.

Density
13,520/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 18°C in the first days to 24°C by the end.

A typical May day in Orūmīyeh reaches about 21°C in the afternoon and slips back to 9°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, May runs about 6°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1187
2187
3187
4187
5197
6198
7198
8198
9198
10208
11208
12209
13209
14209
15219
16219
17219
182110
192210
202210
212210
222210
232310
242311
252311
262311
272411
282411
292411
302412
312412

How May really feels in Orūmīyeh

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.

Orūmīyeh weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -8°416.76.79.70.0
Feb / -6°436.7610.60.1
Mar / -1°598.94.711.71.9
Apr15° / 4780.612.95.0
May21° / 418.40147.1
Jun27° / 14°132.7014.58.2
Jul30° / 18°61.5014.36.6
Aug30° / 17°51.4013.46.6
Sep26° / 13°92.2012.38.6
Oct19° / 264.90.1117.2
Nov11° / 4171.9102.9
Dec / -5°407.15.59.50.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 49% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26337
36337
46337
56436
66535
76634
86733
96832
106931
116931
127030
137228
147228
157327
167426
177426
187624
197624
207723
217723
227921
237921
248020
258020
268119
278218
288317
298416
308515
318614

Chance of precipitation in May

Any precipitation

Orūmīyeh gets around 41 mm of rain over 8.4 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 26% and peaks near 30% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
329
430
530
630
730
830
930
1030
1130
1230
1330
1429
1529
1629
1728
1827
1927
2026
2125
2225
2324
2423
2522
2622
2721
2820
2919
3018
3117

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 30 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:41 AM to 5:16 AM, and sunset from 7:13 PM to 7:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:417:13
213.65:407:14
313.65:397:15
413.65:387:16
513.75:367:16
613.75:357:17
713.75:347:18
813.85:337:19
913.85:327:20
1013.85:317:21
1113.95:307:22
1213.95:297:23
1313.95:287:24
1414.05:277:25
1514.05:267:25
1614.05:267:26
1714.05:257:27
1814.15:247:28
1914.15:237:29
2014.15:227:30
2114.25:227:31
2214.25:217:31
2314.25:207:32
2414.25:207:33
2514.25:197:34
2614.35:187:35
2714.35:187:35
2814.35:177:36
2914.35:177:37
3014.45:167:38
3114.45:167:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.03 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 7.75 kWh/m² in June across the year — May's 7.03 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.6Intense
26.6Intense
36.7Intense
46.7Intense
56.7Intense
66.7Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.9Intense
126.9Intense
136.9Intense
147.0Intense
157.0Intense
167.0Intense
177.1Intense
187.1Intense
197.1Intense
207.2Intense
217.2Intense
227.2Intense
237.3Intense
247.3Intense
257.3Intense
267.3Intense
277.4Intense
287.4Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in May

Is May a good time to visit Orūmīyeh?

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

7.1
Sightseeing
4th-best month of the year
4.4
Beach & pool
5th-best month of the year

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

What to pack for Orūmīyeh in May

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

In May, Orūmīyeh sees daytime highs around 21°C and nights near 9°C. Pack sun protection. Worth having: rain gear. About 8 days see rain.

sun protectionrain gear

UV index in Orūmīyeh 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 Orūmīyeh peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 23UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May9Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Orūmīyeh 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 Orūmīyeh is worst in May — around 33 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (January, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 933 µg/m³Jan 1119 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb23Moderate
Mar29Moderate
Apr33Moderate
May33Moderate
Jun26Moderate
Jul24Moderate
Aug22Moderate
Sep22Moderate
Oct25Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Orūmīyeh?

Orūmīyeh sits at 37.6°N, 45.1°E, 1,350 m above sea level, in Iran. The nearest listed city is Şemdinli, 52 km away.

Topography around Orūmīyeh

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

Within 3 km, the terrain around Orūmīyeh has only modest variations in elevation — a maximum elevation change of 145 m around an average of 1,347 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,030 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,997 m.

The land around Orūmīyeh is covered by artificial surfaces (87%) within 3 km, grassland (51%) and cropland (26%) within 16 km, and grassland (51%) within 80 km.

3 km
145 m
16 km
1,030 m
80 km
2,997 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Şemdinli 52 km · Oshnavīyeh 57 km · Yüksekova 70 km · Naqadeh 72 km · Ajab Shīr 73 km · Salmās 77 km · Āz̄arshahr 83 km · Shabestar 89 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 Orūmīyeh (37.5527°, 45.0761°, elevation 1,350 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).