Harsīn weather in May

In May, Harsīn sees average daytime highs of 24°C and overnight lows near 11°C, with 31 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 21°C in the first days to 28°C by the end. The sky is clear or mostly clear about 60% 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 06 min by month's end. Set against the rest of the year, May is Harsīn's 6th-clearest and 4th-windiest month. For the whole year in context, see Harsīn's year-round climate.

Daytime high
24°
5th warmest
Overnight low
11°
8th coldest
Rainfall
31 mm
6.8 wet days
Daylight
13 h 48 min
5:22 AM – 7:09 PM
Cloud cover
35%
6th clearest
Wind
7 km/h
4th windiest
Solar energy
7.37 kWh/m²
Travel score
7.6
out of 10

Harsīn is city in Kermanshah Province, Iran.

Founded
~550 BCE

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 21°C in the first days to 28°C by the end.

A typical May day in Harsīn reaches about 24°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 20°C and 28°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)
1219
2219
3219
4219
5219
62210
72210
82210
92210
102310
112310
122310
132311
142411
152411
162411
172411
182511
192512
202512
212512
222612
232612
242613
252713
262713
272713
282713
292813
302814
312814

How May really feels in Harsīn

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.

Harsīn 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 / -4°7710.27.4100.3
Feb / -2°8411.26.410.71.3
Mar13° / 9912.13.311.73.5
Apr18° / 81120.112.85.7
May24° / 11°316.8013.87.6
Jun32° / 16°20.7014.25.7
Jul36° / 20°00.1014.12.9
Aug36° / 19°00.1013.33.0
Sep31° / 15°10.4012.26.3
Oct23° / 10°294.8011.18.1
Nov14° / 708.40.410.24.6
Dec / -1°718.83.99.81.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 60% 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 21%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26733
36733
46733
56931
66931
77129
87129
97228
107327
117426
127525
137723
147822
157921
168020
178119
188317
198317
208416
218416
228614
238614
248614
258614
268812
278812
288812
298812
308911
319010

Chance of precipitation in May

Any precipitation

Harsīn gets around 31 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 21% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
333
432
531
630
729
828
927
1026
1125
1224
1322
1421
1521
1620
1719
1819
1918
2018
2117
2217
2316
2415
2515
2614
2714
2813
2912
3011
3110

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 24 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 42 minutes over May. Sunrise moves from 5:36 AM to 5:14 AM, and sunset from 6:57 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:366:57
213.45:356:58
313.45:346:59
413.45:337:00
513.55:327:01
613.55:317:01
713.55:307:02
813.65:297:03
913.65:287:04
1013.65:277:05
1113.65:277:05
1213.75:267:06
1313.75:257:07
1413.75:247:08
1513.85:237:09
1613.85:227:09
1713.85:227:10
1813.85:217:11
1913.95:207:12
2013.95:207:12
2113.95:197:13
2213.95:187:14
2313.95:187:15
2414.05:177:15
2514.05:177:16
2614.05:167:17
2714.05:167:17
2814.05:157:18
2914.15:157:19
3014.15:147:19
3114.15:147:20

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.37 kWh/m².

For context, solar energy here swings from a low near 2.75 kWh/m² to a high of 8.08 kWh/m² in June across the year — May's 7.37 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.9Intense
46.9Intense
56.9Intense
67.0Intense
77.0Intense
87.0Intense
97.1Intense
107.1Intense
117.2Intense
127.2Intense
137.3Intense
147.3Intense
157.3Intense
167.4Intense
177.4Intense
187.5Intense
197.5Intense
207.6Intense
217.6Intense
227.6Intense
237.7Intense
247.7Intense
257.7Intense
267.7Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
317.9Intense
Planning a trip in May

Hazard calendar for Harsīn

In seasonPeak

None of Harsīn's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Harsīn's rainy season runs November–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Harsīn?

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

7.6
Sightseeing
2nd-best month of the year
6.4
Beach & pool
5th-best month of the year

May is one of the better times to visit Harsīn for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Harsīn in May

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

In May, Harsīn sees daytime highs around 24°C and nights near 11°C. Pack sun protection. Worth having: light clothes. About 7 days see rain.

sun protectionlight clothes

UV index in Harsīn 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 Harsīn peaks around August 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 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 highModerateAug 13UV 11Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar5High
Apr7Very high
May10Very high
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Harsīn 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 Harsīn is worst in April — around 37 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateApr 2337 µg/m³Jan 126 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb28Moderate
Mar34Moderate
Apr37Poor
May37Poor
Jun30Moderate
Jul29Moderate
Aug28Moderate
Sep29Moderate
Oct30Moderate
Nov26Moderate
Dec26Moderate
Location & terrain

Where is Harsīn?

Harsīn sits at 34.3°N, 47.6°E, 1,551 m above sea level, in Iran. The nearest listed city is Şaḩneh, 25 km away.

Topography around Harsīn

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

Within 3 km, the terrain around Harsīn has significant variations in elevation — a maximum elevation change of 576 m around an average of 1,608 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,422 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,590 m.

The land around Harsīn is covered by cropland (50%) and grassland (24%) within 3 km, grassland (57%) and cropland (38%) within 16 km, and grassland (55%) and cropland (38%) within 80 km.

3 km
576 m
16 km
1,422 m
80 km
2,590 m
treesgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Şaḩneh 25 km · Nūrābād 42 km · Kangāvar 43 km · Kermanshah 48 km · Sonqor 57 km · Nahāvand 73 km · Asadābād 75 km · Aleshtar 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 Harsīn (34.2721°, 47.5861°, elevation 1,551 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).