Behshahr weather in May

In May, Behshahr sees average daytime highs of 24°C and overnight lows near 17°C, with 33 mm of rain across 6 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 26°C by the end. The sky is clear or mostly clear about 41% of the time in May, and the air most often feels humid.

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 Behshahr's 9th-clearest and 7th-windiest month. For the whole year in context, see Behshahr's year-round climate.

Daytime high
24°
5th warmest
Overnight low
17°
8th coldest
Rainfall
33 mm
6 wet days
Daylight
14 hours
4:54 AM – 6:51 PM
Cloud cover
50%
9th clearest
Wind
8 km/h
7th windiest
Solar energy
6.05 kWh/m²
Travel score
7.5
out of 10

Behshahr is city in Mazandaran province, Iran.

Founded
1906

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 26°C by the end.

A typical May day in Behshahr reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 28°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°35°151015202531
Avg high (°C)Avg low (°C)
12114
22115
32115
42115
52215
62215
72216
82216
92216
102316
112316
122316
132317
142317
152317
162417
172417
182417
192418
202418
212518
222518
232518
242518
252518
262519
272619
282619
292619
302619
312619

How May really feels in Behshahr

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.

Behshahr weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 647.41.49.83.3
Feb12° / 648.51.910.63.3
Mar15° / 71100.611.74.5
Apr19° / 12°507.9012.96.4
May24° / 17°336013.97.5
Jun28° / 21°254.3014.57.2
Jul30° / 24°254.7014.35.6
Aug31° / 24°224.6013.45.2
Sep28° / 21°718.2012.26.6
Oct23° / 16°787.6011.17.5
Nov17° / 10°878.70.3105.8
Dec13° / 607.50.49.54.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 43%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34951
44951
54951
64951
75050
85149
95149
105248
115248
125347
135446
145446
155446
165644
175743
185743
195842
206040
216139
226238
236337
246436
256535
266634
276634
286733
296832
306832
316832

Chance of precipitation in May

Any precipitation

Behshahr gets around 33 mm of rain over 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 20% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
324
423
523
622
722
821
921
1021
1121
1221
1321
1420
1520
1620
1720
1820
1920
2019
2119
2219
2318
2418
2517
2617
2717
2816
2916
3016
3115

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 14% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
136431910
234442110
331442420
428442620
525442820
622443030
720443330
818443540
916433750
1014423950
1112424060
1211414270
1310404470
148384580
158374790
1673648100
1763449110
1853350120
1953151130
2052952140
2142753160
2242552181
2342352201
2432153221
2531953241
2631851271
2731650292
2821451312
2921349343
3021248363
3121146384

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 5:09 AM to 4:44 AM, and sunset from 6:37 PM to 7:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:096:37
213.55:076:38
313.55:066:39
413.65:056:40
513.65:046:41
613.65:036:42
713.75:026:43
813.75:016:44
913.75:006:45
1013.84:596:45
1113.84:586:46
1213.84:576:47
1313.94:566:48
1413.94:556:49
1513.94:546:50
1614.04:546:51
1714.04:536:51
1814.04:526:52
1914.04:516:53
2014.14:506:54
2114.14:506:55
2214.14:496:55
2314.14:486:56
2414.24:486:57
2514.24:476:58
2614.24:476:59
2714.24:466:59
2814.24:467:00
2914.34:457:01
3014.34:457:01
3114.34:447:02

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.05 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 6.4 kWh/m² in June across the year — May's 6.05 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
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
156.0Bright
166.0Bright
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.2Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.4Intense
306.4Intense
316.4Intense
Planning a trip in May

Is May a good time to visit Behshahr?

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

7.5
Sightseeing
1st-best month of the year
6.1
Beach & pool
5th-best month of the year

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

What to pack for Behshahr in May

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

In May, Behshahr sees daytime highs around 24°C and nights near 17°C. Pack sun protection. Worth having: light clothes. About 6 days see rain.

sun protectionlight clothes

Sea temperature near Behshahr in May

The nearest coast averages about 20°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 21 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 16 to Nov 10 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar12Bracing
Apr15Cool
May20Refreshing
Jun25Warm
Jul27Warm
Aug29Tropical
Sep27Warm
Oct24Refreshing
Nov19Cool
Dec15Cool

UV index in Behshahr in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Behshahr peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJul 18UV 9Jan 10UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Behshahr 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 Behshahr is worst in March — around 33 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 19 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1633 µg/m³Jul 1719 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb32Moderate
Mar33Moderate
Apr32Moderate
May28Moderate
Jun24Moderate
Jul19Moderate
Aug24Moderate
Sep32Moderate
Oct32Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Behshahr?

Behshahr sits at 36.7°N, 53.6°E, 10 m above sea level, in Iran. The nearest listed city is Nekā, 23 km away.

Topography around Behshahr

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

Within 3 km, the terrain around Behshahr has significant variations in elevation — a maximum elevation change of 469 m around an average of 69 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,479 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,777 m.

The land around Behshahr is covered by trees (36%), artificial surfaces (36%) and cropland (23%) within 3 km, trees (43%) and cropland (32%) within 16 km, and water (32%) and trees (26%) within 80 km.

3 km
469 m
16 km
1,479 m
80 km
3,777 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Nekā 23 km · Galūgāh 23 km · Bandar-e Gaz 36 km · Sari 46 km · Kord Kūy 51 km · Bandar-e Torkaman 52 km · Jūybār 57 km · Gomīshān 63 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 Behshahr (36.6923°, 53.5526°, elevation 10 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).