Khūy weather in May

In May, Khūy sees average daytime highs of 23°C and overnight lows near 11°C, with 53 mm of rain across 11.3 wet days and about 14.1 hours of daylight. It is the 5th-warmest and 3rd-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 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 30 min by month's end. Set against the rest of the year, May is Khūy's 7th-clearest and 4th-windiest month. For the whole year in context, see Khūy's year-round climate.

Daytime high
23°
5th warmest
Overnight low
11°
8th coldest
Rainfall
53 mm
11.3 wet days
Daylight
14 h 06 min
5:24 AM – 7:29 PM
Cloud cover
50%
7th clearest
Wind
7 km/h
4th windiest
Solar energy
6.7 kWh/m²
Travel score
6.7
out of 10

Khūy is city in West Azarbaijan 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 20°C in the first days to 26°C by the end.

A typical May day in Khūy reaches about 23°C in the afternoon and slips back to 11°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 28°C. Set against its neighbours, May runs about 5°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1208
2208
3209
4219
5219
6219
7219
8219
9229
102210
112210
122210
132210
142310
152310
162311
172311
182311
192411
202411
212411
222411
232512
242512
252512
262512
272612
282612
292613
302613
312713

How May really feels in Khūy

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.

Khūy weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°326.75.49.60.0
Feb / -4°357.95.510.50.7
Mar12° / 5810.93.611.73.1
Apr18° / 6111.60.4135.5
May23° / 11°5311.3014.16.7
Jun29° / 15°195.4014.66.6
Jul32° / 19°82.1014.45.0
Aug32° / 18°61.4013.55.0
Sep28° / 13°102.4012.37.7
Oct21° / 2860.1117.4
Nov12° / 356.11.39.93.5
Dec / -3°326.73.69.40.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 28% of May, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15545
25545
35644
45644
55644
65644
75743
85842
95941
106040
116139
126238
136337
146337
156436
166436
176535
186634
196733
206832
216832
227030
237030
247228
257327
267426
277525
287624
297723
307921
318020

Chance of precipitation in May

Any precipitation

Khūy gets around 53 mm of rain over 11.3 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 36% and peaks near 41% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
441
541
641
741
841
941
1040
1140
1239
1339
1438
1538
1637
1737
1836
1936
2035
2134
2233
2332
2431
2531
2630
2729
2829
2928
3027
3127

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 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 30 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 5:40 AM to 5:14 AM, and sunset from 7:15 PM to 7:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:407:15
213.65:397:16
313.75:377:17
413.75:367:18
513.75:357:19
613.85:347:20
713.85:337:21
813.85:327:22
913.95:317:23
1013.95:307:24
1113.95:297:25
1214.05:287:25
1314.05:277:26
1414.05:267:27
1514.15:257:28
1614.15:247:29
1714.15:237:30
1814.15:227:31
1914.25:217:32
2014.25:207:33
2114.25:207:34
2214.35:197:34
2314.35:187:35
2414.35:187:36
2514.35:177:37
2614.45:167:38
2714.45:167:39
2814.45:157:39
2914.45:157:40
3014.45:147:41
3114.55:147:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.7 kWh/m².

For context, solar energy here swings from a low near 2.2 kWh/m² to a high of 7.58 kWh/m² in July across the year — May's 6.7 kWh/m² falls in the middle.

02468151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.4Intense
76.4Intense
86.4Intense
96.5Intense
106.5Intense
116.5Intense
126.6Intense
136.6Intense
146.6Intense
156.7Intense
166.7Intense
176.8Intense
186.8Intense
196.8Intense
206.8Intense
216.9Intense
226.9Intense
237.0Intense
247.0Intense
257.0Intense
267.1Intense
277.1Intense
287.1Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in May

Is May a good time to visit Khūy?

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

6.7
Sightseeing
3rd-best month of the year
5.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Khūy for sightseeing.

What to pack for Khūy in May

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

In May, Khūy sees daytime highs around 23°C and nights near 11°C. Pack sun protection. Worth having: light clothes and rain gear. About 11 days see rain.

sun protectionlight clothesrain gear

UV index in Khūy 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 Khūy peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highModerateJun 23UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Khūy 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 Khūy is worst in May — around 33 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (January, 18 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1032 µg/m³Jan 1118 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb22Moderate
Mar28Moderate
Apr32Moderate
May33Moderate
Jun25Moderate
Jul23Moderate
Aug20Moderate
Sep21Moderate
Oct23Moderate
Nov20Moderate
Dec18Moderate
Location & terrain

Where is Khūy?

Khūy sits at 38.6°N, 45.0°E, 1,143 m above sea level, in Iran. The nearest listed city is Qarah Ẕīā’ od Dīn, 38 km away.

Topography around Khūy

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

Within 3 km, the terrain around Khūy has only modest variations in elevation — a maximum elevation change of 130 m around an average of 1,147 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 930 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,895 m.

The land around Khūy is covered by artificial surfaces (53%) and cropland (25%) within 3 km, cropland (38%), grassland (32%) and bare terrain (20%) within 16 km, and grassland (61%) within 80 km.

3 km
130 m
16 km
930 m
80 km
2,895 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Qarah Ẕīā’ od Dīn 38 km · Salmās 42 km · Hādīshahr 70 km · Marand 73 km · Seyah Cheshmeh 75 km · Showţ 76 km · Nehram 77 km · Shabestar 77 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 Khūy (38.5503°, 44.9521°, elevation 1,143 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).