Bābolsar weather in May

In May, Bābolsar sees average daytime highs of 23°C and overnight lows near 18°C, with 18 mm of rain across 3.8 wet days and about 13.9 hours of daylight. It is the 6th-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 43% 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 Bābolsar's 6th-clearest and 7th-windiest month. For the whole year in context, see Bābolsar's year-round climate.

Daytime high
23°
6th warmest
Overnight low
18°
7th coldest
Rainfall
18 mm
3.8 wet days
Daylight
14 hours
4:57 AM – 6:54 PM
Cloud cover
48%
6th clearest
Wind
9 km/h
7th windiest
Solar energy
6.04 kWh/m²
Travel score
7.9
out of 10

Bābolsar is city in Mazandaran 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 21°C in the first days to 26°C by the end.

A typical May day in Bābolsar reaches about 23°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°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)
12115
22115
32116
42116
52116
62216
72216
82217
92217
102217
112317
122317
132317
142318
152318
162418
172418
182418
192419
202419
212419
222519
232519
242519
252520
262520
272620
282620
292620
302621
312621

How May really feels in Bābolsar

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.

Bābolsar weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 607.59.83.6
Feb12° / 527.810.63.5
Mar15° / 538.611.74.6
Apr19° / 13°326.412.96.5
May23° / 18°183.813.97.9
Jun28° / 23°153.414.57.5
Jul30° / 25°183.314.36.1
Aug31° / 26°163.813.45.6
Sep28° / 23°557.412.26.6
Oct24° / 18°74811.17.4
Nov18° / 13°869106.1
Dec14° / 647.69.54.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 39%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45248
55347
65446
75446
85545
95644
105644
115743
125743
135842
145941
156040
166040
176139
186238
196238
206436
216535
226733
236733
246832
257030
267030
277129
287228
297228
307327
317327

Chance of precipitation in May

Any precipitation

Bābolsar gets around 18 mm of rain over 3.8 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 13% and peaks near 18% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
118
218
317
416
516
615
715
815
914
1014
1114
1214
1314
1414
1514
1614
1714
1813
1913
2013
2112
2212
2311
2411
2510
2610
2710
289
299
309
318

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 28% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
127442640
224442850
321433050
419433260
516433470
614423690
7114138100
8104040110
983842120
1063643140
1153545151
1243346161
1333147171
1432948191
1522749202
1622649222
1712449242
1812249262
1912049273
2011848293
2111747314
2211546335
2311345356
2401244377
2501143398
260941409
2708404210
2807384311
2906374413
3005364514
3104344615

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:12 AM to 4:48 AM, and sunset from 6:41 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:126:41
213.55:116:42
313.55:106:43
413.65:096:44
513.65:086:45
613.65:076:46
713.75:066:46
813.75:046:47
913.75:036:48
1013.85:036:49
1113.85:026:50
1213.85:016:51
1313.95:006:52
1413.94:596:52
1513.94:586:53
1614.04:576:54
1714.04:566:55
1814.04:566:56
1914.04:556:57
2014.14:546:57
2114.14:536:58
2214.14:536:59
2314.14:527:00
2414.24:517:01
2514.24:517:01
2614.24:507:02
2714.24:507:03
2814.24:497:04
2914.34:497:04
3014.34:487:05
3114.34:487:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.04 kWh/m².

For context, solar energy here swings from a low near 2.21 kWh/m² to a high of 6.29 kWh/m² in June across the year — May's 6.04 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.9Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
146.0Bright
156.0Bright
166.0Intense
176.0Intense
186.0Intense
196.1Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.2Intense
266.2Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.3Intense
Planning a trip in May

Is May a good time to visit Bābolsar?

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

7.9
Sightseeing
1st-best month of the year
6.3
Beach & pool
5th-best month of the year

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

What to pack for Bābolsar in May

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

In May, Bābolsar sees daytime highs around 23°C and nights near 18°C. Pack sun protection. Worth having: light clothes. About 4 days see rain.

sun protectionlight clothes

Sea temperature near Bābolsar 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 20 km away) is warmest in August at about 28°C and coldest in February near 11°C.

It's comfortable for a long swim from May 20 to Nov 9 — about 5.7 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar11Bracing
Apr14Bracing
May20Cool
Jun25Warm
Jul27Warm
Aug28Tropical
Sep27Warm
Oct23Refreshing
Nov19Cool
Dec15Cool

UV index in Bābolsar 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 Bābolsar peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May7Very high
Jun7Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Bābolsar 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 Bābolsar is worst in March — around 41 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (July, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1141 µg/m³Jul 1719 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar41Poor
Apr38Poor
May33Moderate
Jun25Moderate
Jul18Moderate
Aug24Moderate
Sep31Moderate
Oct34Moderate
Nov34Moderate
Dec36Poor
Location & terrain

Where is Bābolsar?

Bābolsar sits at 36.7°N, 52.7°E, -21 m above sea level, in Iran. The nearest listed city is Amīr Kolā, 11 km away.

Topography around Bābolsar

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

Within 3 km, the terrain around Bābolsar has only modest variations in elevation — a maximum elevation change of 12 m around an average of -24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 33 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,828 m.

The land around Bābolsar is covered by artificial surfaces (41%), cropland (28%) and water (24%) within 3 km, water (47%) and cropland (36%) within 16 km, and water (49%) and trees (26%) within 80 km.

3 km
12 m
16 km
33 m
80 km
3,828 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Amīr Kolā 11 km · Fereydūn Kenār 12 km · Bābol 17 km · Jūybār 24 km · Qā’em Shahr 32 km · Maḩmūdābād 35 km · Āmol 37 km · Sari 40 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 Bābolsar (36.6993°, 52.6501°, elevation -21 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).