Aznā weather in May

In May, Aznā sees average daytime highs of 21°C and overnight lows near 9°C, with 22 mm of rain across 5.8 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 18°C in the first days to 25°C by the end. The sky is clear or mostly clear about 58% 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 Aznā's 6th-clearest and 1st-windiest month. For the whole year in context, see Aznā's year-round climate.

Daytime high
21°
5th warmest
Overnight low
8th coldest
Rainfall
22 mm
5.8 wet days
Daylight
13 h 42 min
5:17 AM – 7:00 PM
Cloud cover
36%
6th clearest
Wind
9 km/h
1st windiest
Solar energy
7.39 kWh/m²
Travel score
7.6
out of 10

Aznā is city in Lorestan 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 18°C in the first days to 25°C by the end.

A typical May day in Aznā 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 17°C and 25°C. Set against its neighbours, May runs about 6°C warmer than April and about 7°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1187
2187
3187
4197
5197
6198
7198
8198
9208
10208
11208
12209
13219
14219
15219
16219
17229
182210
192210
202210
212310
222310
232310
242311
252411
262411
272411
282511
292512
302512
312512

How May really feels in Aznā

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.

Aznā 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 / -7°729.19100.0
Feb / -6°7298.810.80.1
Mar / -1°9210.37.711.71.8
Apr15° / 66101.312.84.7
May21° / 225.8013.77.6
Jun29° / 14°20.7014.27.7
Jul32° / 17°10.30145.3
Aug32° / 17°10.1013.25.7
Sep27° / 12°10.3012.28.5
Oct20° / 174011.27.8
Nov12° / 557.42.510.33.5
Dec / -4°637.779.80.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 22%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16337
26436
36436
46436
56535
66634
76733
86733
96931
107030
117129
127228
137426
147624
157723
167822
178020
188218
198218
208416
218416
228614
238614
248713
258812
268812
278911
289010
299010
309010
31928

Chance of precipitation in May

Any precipitation

Aznā gets around 22 mm of rain over 5.8 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 18% and peaks near 31% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
131
231
331
430
530
629
729
828
927
1026
1124
1223
1322
1420
1519
1618
1717
1815
1914
2013
2112
2211
2310
249
259
268
278
287
297
306
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 9 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
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 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 5:30 AM to 5:09 AM, and sunset from 6:49 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:306:49
213.35:296:50
313.45:286:50
413.45:276:51
513.45:266:52
613.55:256:53
713.55:246:53
813.55:236:54
913.55:226:55
1013.65:216:56
1113.65:216:56
1213.65:206:57
1313.75:196:58
1413.75:186:59
1513.75:176:59
1613.75:177:00
1713.75:167:01
1813.85:157:02
1913.85:157:02
2013.85:147:03
2113.85:137:04
2213.95:137:05
2313.95:127:05
2413.95:127:06
2513.95:117:07
2613.95:117:07
2714.05:107:08
2814.05:107:09
2914.05:097:09
3014.05:097:10
3114.05:097:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.39 kWh/m².

For context, solar energy here swings from a low near 3.12 kWh/m² to a high of 7.97 kWh/m² in June across the year — May's 7.39 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.9Intense
26.9Intense
36.9Intense
47.0Intense
57.0Intense
67.0Intense
77.1Intense
87.1Intense
97.1Intense
107.2Intense
117.2Intense
127.3Intense
137.3Intense
147.3Intense
157.4Intense
167.4Intense
177.5Intense
187.5Intense
197.5Intense
207.6Intense
217.6Intense
227.6Intense
237.7Intense
247.7Intense
257.7Intense
267.8Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
317.9Intense
Planning a trip in May

Is May a good time to visit Aznā?

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

7.6
Sightseeing
4th-best month of the year
5.0
Beach & pool
5th-best month of the year

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

What to pack for Aznā in May

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

In May, Aznā sees daytime highs around 21°C and nights near 9°C. Pack sun protection. About 6 days see rain.

sun protection

UV index in Aznā in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Aznā peaks around July 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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 20UV 12Jan 11UV 3
UV index (midday)Level
Jan3Moderate
Feb6High
Mar7High
Apr7Very high
May11Extreme
Jun11Extreme
Jul12Extreme
Aug12Extreme
Sep9Very high
Oct7Very high
Nov4Moderate
Dec4Moderate

Air quality in Aznā 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 Aznā is worst in April — around 37 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (December, 20 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 1837 µg/m³Dec 1320 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb26Moderate
Mar32Moderate
Apr37Poor
May34Moderate
Jun26Moderate
Jul28Moderate
Aug22Moderate
Sep24Moderate
Oct24Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Aznā?

Aznā sits at 33.5°N, 49.5°E, 1,862 m above sea level, in Iran. The nearest listed city is Alīgūdarz, 23 km away.

Topography around Aznā

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

Within 3 km, the terrain around Aznā has only modest variations in elevation — a maximum elevation change of 208 m around an average of 1,889 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,401 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,378 m.

The land around Aznā is covered by cropland (40%), grassland (30%) and artificial surfaces (20%) within 3 km, cropland (55%) and grassland (32%) within 16 km, and grassland (49%) and cropland (28%) within 80 km.

3 km
208 m
16 km
1,401 m
80 km
3,378 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Alīgūdarz 23 km · Dorūd 37 km · Shāzand 53 km · Khomeyn 61 km · Mahājerān 66 km · Karahrūd 69 km · Arāk 74 km · Golpāyegān 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 Aznā (33.4564°, 49.4565°, elevation 1,862 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).