Gorgān weather in May

In May, Gorgān sees average daytime highs of 20°C and overnight lows near 12°C, with 195 mm of precipitation across 22.5 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 30% 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 Gorgān's 10th-clearest and 9th-windiest month. For the whole year in context, see Gorgān's year-round climate.

Daytime high
20°
5th warmest
Overnight low
12°
8th coldest
Precipitation
195 mm
22.5 wet days
Daylight
14 hours
4:50 AM – 6:47 PM
Cloud cover
57%
10th clearest
Wind
4 km/h
9th windiest
Solar energy
6.09 kWh/m²
Travel score
4.7
out of 10

Gorgān is city in Golestan 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 22°C by the end.

A typical May day in Gorgān reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 25°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11810
21810
31810
41810
51810
61810
71911
81911
91911
101911
111911
121911
131911
142012
152012
162012
172012
182012
192012
202112
212112
222113
232113
242113
252113
262213
272213
282214
292214
302214
312214

How May really feels in Gorgān

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.

Gorgān weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°609.789.80.2
Feb / -2°7711.89.410.60.4
Mar10° / 11616.39.711.71.9
Apr15° / 15420.22.912.93.5
May20° / 12°19522.50.213.94.7
Jun24° / 16°10916.7014.56.1
Jul26° / 18°5611.8014.36.7
Aug26° / 18°6512013.46.8
Sep23° / 15°10914.4012.36.6
Oct19° / 10°10013.80.3115.7
Nov12° / 8111.14.2103.2
Dec / -0°538.86.69.51.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
23961
33961
43961
53961
63961
74060
84060
94258
104258
114258
124456
134555
144555
154654
164852
174852
185050
195248
205347
215446
225545
235644
245842
255842
265941
276040
286139
296139
306238
316238

Chance of precipitation in May

Any precipitationSnow

Gorgān gets around 195 mm of rain and snow over 22.5 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 72% and peaks near 78% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)Snow chance (%)
1764
2763
3773
4773
5772
6782
7782
8781
9781
10781
11771
12771
13760
14750
15740
16730
17720
18710
19700
20690
21680
22670
23670
24660
25660
26650
27650
28650
29640
30640
31640

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 68% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19370
29280
390100
489110
588120
686140
784160
883170
981190
1079210
1177230
1275241
1373261
1472271
1570291
1669301
1767321
1866331
1964351
2063361
2160382
2259392
2357403
2456413
2553434
2651445
2749456
2847468
2945469
30424710
31404812

Wind in May

Winds average 4 km/h in May.

Across May, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:05 AM to 4:40 AM, and sunset from 6:34 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:056:34
213.55:046:35
313.65:026:36
413.65:016:37
513.65:006:38
613.74:596:39
713.74:586:39
813.74:576:40
913.84:566:41
1013.84:556:42
1113.84:546:43
1213.84:536:44
1313.94:526:45
1413.94:516:46
1513.94:506:46
1614.04:506:47
1714.04:496:48
1814.04:486:49
1914.04:476:50
2014.14:476:51
2114.14:466:51
2214.14:456:52
2314.14:446:53
2414.24:446:54
2514.24:436:55
2614.24:436:55
2714.24:426:56
2814.34:426:57
2914.34:416:58
3014.34:416:58
3114.34:406:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.09 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 6.68 kWh/m² in June across the year — May's 6.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Intense
166.0Intense
176.1Intense
186.1Intense
196.1Intense
206.2Intense
216.2Intense
226.3Intense
236.3Intense
246.3Intense
256.4Intense
266.4Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
316.5Intense
Planning a trip in May

Is May a good time to visit Gorgān?

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

4.7
Sightseeing
6th-best month of the year
2.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Gorgān for sightseeing.

What to pack for Gorgān in May

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

In May, Gorgān sees daytime highs around 20°C and nights near 12°C. Pack rain gear and sun protection. About 23 days see rain.

rain gearsun protection

Sea temperature near Gorgān in May

The nearest coast averages about 21°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 59 km away) is warmest in August at about 29°C and coldest in February near 11°C.

It's comfortable for a long swim from May 13 to Nov 6 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar12Bracing
Apr16Cool
May21Refreshing
Jun25Warm
Jul28Warm
Aug29Tropical
Sep27Warm
Oct23Refreshing
Nov19Cool
Dec15Bracing

UV index in Gorgān 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 Gorgān peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highHighModerateJul 17UV 10Jan 11UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun8Very high
Jul10Extreme
Aug9Very high
Sep7High
Oct5Moderate
Nov3Moderate
Dec3Moderate

Air quality in Gorgān 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 Gorgān is worst in September — around 27 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1827 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb20Moderate
Mar22Moderate
Apr25Moderate
May22Moderate
Jun20Moderate
Jul21Moderate
Aug22Moderate
Sep27Moderate
Oct24Moderate
Nov21Moderate
Dec19Moderate
Location & terrain

Where is Gorgān?

Gorgān sits at 36.8°N, 54.4°E, 140 m above sea level, in Iran. The nearest listed city is Āq Qalā, 19 km away.

Topography around Gorgān

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

Within 3 km, the terrain around Gorgān has only modest variations in elevation — a maximum elevation change of 247 m around an average of 132 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,355 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,905 m.

The land around Gorgān is covered by artificial surfaces (68%) within 3 km, cropland (55%) and trees (33%) within 16 km, and bare terrain (30%) and cropland (24%) within 80 km.

3 km
247 m
16 km
2,355 m
80 km
3,905 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Āq Qalā 19 km · Sīmīn Shahr 27 km · Fāẕelābād 28 km · Kord Kūy 30 km · Bandar-e Torkaman 34 km · 'Alī Ābād-e Katūl 38 km · Gomīshān 41 km · Bandar-e Gaz 45 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 Gorgān (36.8427°, 54.4439°, elevation 140 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).