Esfarāyen weather in May

In May, Esfarāyen sees average daytime highs of 25°C and overnight lows near 13°C, with 17 mm of rain across 4.6 wet days and about 14 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 27°C by the end. The sky is clear or mostly clear about 54% 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 18 min by month's end. Set against the rest of the year, May is Esfarāyen's 7th-clearest and 3rd-windiest month. For the whole year in context, see Esfarāyen's year-round climate.

Daytime high
25°
5th warmest
Overnight low
13°
8th coldest
Rainfall
17 mm
4.6 wet days
Daylight
14 hours
4:37 AM – 6:36 PM
Cloud cover
40%
7th clearest
Wind
8 km/h
3rd windiest
Solar energy
7.02 kWh/m²
Travel score
7.9
out of 10

Esfarāyen is city in North Khorasan 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 22°C in the first days to 27°C by the end.

A typical May day in Esfarāyen reaches about 25°C in the afternoon and slips back to 13°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 30°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12211
22211
32211
42312
52312
62312
72312
82312
92412
102413
112413
122413
132413
142513
152513
162513
172513
182514
192514
202614
212614
222614
232614
242614
252714
262715
272715
282715
292715
302815
312815

How May really feels in Esfarāyen

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.

Esfarāyen weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°244.94.29.70.0
Feb / -2°295.53.610.60.7
Mar12° / 407.92.911.73.4
Apr19° / 266.50.612.96.6
May25° / 13°174.60147.9
Jun30° / 17°61.9014.56.4
Jul32° / 20°40.8014.35.2
Aug31° / 18°20.4013.45.9
Sep27° / 14°20.7012.38.4
Oct21° / 72.10118.2
Nov12° / 143.90.9104.1
Dec / -1°143.92.19.50.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 20% 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
26436
36337
46337
56436
66337
76436
86436
96535
106634
116733
126832
137030
147030
157228
167327
177426
187624
197723
207921
217921
228119
238218
248317
258416
268416
278515
288614
298713
308713
318812

Chance of precipitation in May

Any precipitation

Esfarāyen gets around 17 mm of rain over 4.6 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 15% and peaks near 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
120
220
319
419
518
617
717
816
916
1016
1116
1216
1316
1416
1515
1615
1715
1815
1915
2015
2114
2214
2314
2414
2513
2613
2712
2812
2911
3011
3111

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 (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
23991
24991
25991
26991
27991
28991
29991
30991
31991

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.

051015151015202531
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 18 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 4:52 AM to 4:27 AM, and sunset from 6:22 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.54:526:22
213.54:516:23
313.64:506:24
413.64:496:25
513.64:486:26
613.74:466:27
713.74:456:28
813.74:446:29
913.84:436:29
1013.84:426:30
1113.84:416:31
1213.94:406:32
1313.94:396:33
1413.94:396:34
1514.04:386:35
1614.04:376:36
1714.04:366:36
1814.04:356:37
1914.14:346:38
2014.14:346:39
2114.14:336:40
2214.14:326:41
2314.24:326:41
2414.24:316:42
2514.24:306:43
2614.24:306:44
2714.34:296:44
2814.34:296:45
2914.34:286:46
3014.34:286:47
3114.34:276:47

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.02 kWh/m².

For context, solar energy here swings from a low near 2.58 kWh/m² to a high of 7.71 kWh/m² in June across the year — May's 7.02 kWh/m² falls in the middle.

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
177.0Intense
187.1Intense
197.1Intense
207.1Intense
217.2Intense
227.2Intense
237.2Intense
247.3Intense
257.3Intense
267.3Intense
277.3Intense
287.4Intense
297.4Intense
307.4Intense
317.5Intense
Planning a trip in May

Is May a good time to visit Esfarāyen?

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

7.9
Sightseeing
3rd-best month of the year
7.0
Beach & pool
5th-best month of the year

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

What to pack for Esfarāyen in May

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

In May, Esfarāyen sees daytime highs around 25°C and nights near 13°C. Pack sun protection. Worth having: light clothes. About 5 days see rain.

sun protectionlight clothes

UV index in Esfarāyen in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Esfarāyen peaks around July 18 at about 11 (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 highHighModerateJul 18UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7High
May8Very high
Jun9Very high
Jul11Extreme
Aug10Very high
Sep7Very high
Oct5High
Nov3Moderate
Dec3Moderate

Air quality in Esfarāyen 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 Esfarāyen is worst in September — around 31 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1630 µg/m³Dec 2317 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr29Moderate
May30Moderate
Jun26Moderate
Jul27Moderate
Aug24Moderate
Sep31Moderate
Oct25Moderate
Nov20Moderate
Dec17Moderate
Location & terrain

Where is Esfarāyen?

Esfarāyen sits at 37.1°N, 57.5°E, 1,253 m above sea level, in Iran. The nearest listed city is Bojnūrd, 47 km away.

JājarmArkadagAshgabat

Topography around Esfarāyen

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

Within 3 km, the terrain around Esfarāyen has significant variations in elevation — a maximum elevation change of 447 m around an average of 1,287 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,679 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,483 m.

The land around Esfarāyen is covered by bare terrain (39%), cropland (30%) and artificial surfaces (26%) within 3 km, bare terrain (43%), cropland (31%) and grassland (21%) within 16 km, and bare terrain (41%), grassland (34%) and cropland (24%) within 80 km.

3 km
447 m
16 km
1,679 m
80 km
2,483 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Bojnūrd 47 km · Shīrvān 51 km · Āshkhāneh 75 km · Qūchān 89 km · Sabzevar 97 km · Jājarm 101 km · Arkadag 121 km · Ashgabat 124 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 Esfarāyen (37.0765°, 57.5101°, elevation 1,253 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).