Mahājerān weather in May

In May, Mahājerān sees average daytime highs of 23°C and overnight lows near 10°C, with 23 mm of rain across 5.9 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 20°C in the first days to 26°C by the end. The sky is clear or mostly clear about 55% 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 h 06 min by month's end. Set against the rest of the year, May is Mahājerān's 6th-clearest and 3rd-windiest month. For the whole year in context, see Mahājerān's year-round climate.

Daytime high
23°
5th warmest
Overnight low
10°
8th coldest
Rainfall
23 mm
5.9 wet days
Daylight
13 h 48 min
5:16 AM – 7:01 PM
Cloud cover
39%
6th clearest
Wind
9 km/h
3rd windiest
Solar energy
7.33 kWh/m²
Travel score
7.7
out of 10

Mahājerān is city in Markazi 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 Mahājerān reaches about 23°C in the afternoon and slips back to 10°C overnight — a 12°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 7°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1198
2208
3208
4208
5209
6209
7219
8219
9219
10219
112110
122210
132210
142210
152210
162310
172311
182311
192311
202411
212411
222411
232512
242512
252512
262512
272612
282613
292613
302613
312713

How May really feels in Mahājerān

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.

Mahājerān 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 / -6°387.26.8100.0
Feb / -4°387.35.910.70.7
Mar11° / 559.1411.73.1
Apr17° / 458.90.412.85.6
May23° / 10°235.9013.77.7
Jun30° / 16°30.8014.26.9
Jul33° / 19°10.20144.6
Aug33° / 18°10.3013.35.1
Sep28° / 13°10.3012.28.0
Oct21° / 143.5011.18.0
Nov13° / 346.41.410.23.9
Dec / -3°356.44.89.81.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 22% 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 (%)
16337
26337
36337
46337
56535
66535
76535
86733
96832
106931
117030
127228
137426
147525
157624
167822
177921
188020
198218
208218
218317
228416
238515
248515
258614
268614
278812
288812
298911
308911
319010

Chance of precipitation in May

Any precipitation

Mahājerān gets around 23 mm of rain over 5.9 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 18% and peaks near 29% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
527
627
726
825
924
1023
1122
1221
1320
1419
1518
1617
1717
1816
1915
2015
2114
2213
2313
2412
2511
2611
2710
289
299
308
318

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.

Across May, daily wind ranges from about 8 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
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 h 06 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 5:29 AM to 5:07 AM, and sunset from 6:50 PM to 7:12 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:296:50
213.45:286:51
313.45:276:51
413.45:266:52
513.55:256:53
613.55:246:54
713.55:236:54
813.65:226:55
913.65:216:56
1013.65:206:57
1113.65:206:58
1213.75:196:58
1313.75:186:59
1413.75:177:00
1513.75:167:01
1613.85:167:01
1713.85:157:02
1813.85:147:03
1913.85:137:04
2013.95:137:04
2113.95:127:05
2213.95:127:06
2313.95:117:07
2413.95:107:07
2514.05:107:08
2614.05:097:09
2714.05:097:09
2814.05:087:10
2914.05:087:11
3014.15:087:11
3114.15:077:12

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.33 kWh/m².

For context, solar energy here swings from a low near 2.99 kWh/m² to a high of 7.93 kWh/m² in June across the year — May's 7.33 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.9Intense
36.9Intense
46.9Intense
57.0Intense
67.0Intense
77.0Intense
87.0Intense
97.1Intense
107.1Intense
117.2Intense
127.2Intense
137.2Intense
147.3Intense
157.3Intense
167.3Intense
177.4Intense
187.4Intense
197.5Intense
207.5Intense
217.5Intense
227.6Intense
237.6Intense
247.6Intense
257.7Intense
267.7Intense
277.7Intense
287.7Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Is May a good time to visit Mahājerān?

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

7.7
Sightseeing
3rd-best month of the year
5.8
Beach & pool
5th-best month of the year

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

What to pack for Mahājerān in May

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

In May, Mahājerān sees daytime highs around 23°C and nights near 10°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

UV index in Mahājerān 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 Mahājerān 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
Feb5High
Mar6High
Apr7Very high
May10Extreme
Jun10Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Mahājerān 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 Mahājerān 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 Mahājerān?

Mahājerān sits at 34.1°N, 49.4°E, 1,919 m above sea level, in Iran. The nearest listed city is Shāzand, 14 km away.

Topography around Mahājerān

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

Within 3 km, the terrain around Mahājerān has significant variations in elevation — a maximum elevation change of 530 m around an average of 1,964 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,421 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,669 m.

The land around Mahājerān is covered by cropland (35%), bare terrain (24%) and grassland (22%) within 3 km, cropland (40%), grassland (32%) and bare terrain (22%) within 16 km, and cropland (43%), grassland (31%) and bare terrain (24%) within 80 km.

3 km
530 m
16 km
1,421 m
80 km
2,669 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Shāzand 14 km · Karahrūd 19 km · Arāk 25 km · Malāyer 63 km · Borūjerd 65 km · Aznā 66 km · Dorūd 71 km · Khomeyn 75 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 Mahājerān (34.0504°, 49.435°, elevation 1,919 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).