Sari weather in May

In May, Sari sees average daytime highs of 25°C and overnight lows near 16°C, with 49 mm of rain across 8.7 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 11th-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 31% 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 Sari's 10th-clearest and 7th-windiest month. For the whole year in context, see Sari's year-round climate.

Daytime high
25°
5th warmest
Overnight low
16°
8th coldest
Rainfall
49 mm
8.7 wet days
Daylight
13 h 54 min
4:56 AM – 6:52 PM
Cloud cover
58%
10th clearest
Wind
6 km/h
7th windiest
Solar energy
5.76 kWh/m²
Travel score
6.9
out of 10

Sari is city in Mazandaran Province, Iran.

Air quality
Very high
PM2.5 36.9 µg/m³ · 2012

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 Sari reaches about 25°C in the afternoon and slips back to 16°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 29°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42214
52314
62314
72314
82314
92314
102415
112415
122415
132415
142415
152416
162516
172516
182516
192516
202516
212516
222617
232617
242617
252617
262617
272717
282718
292718
302718
312718

How May really feels in Sari

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.

Sari weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan12° / 698.819.83.5
Feb13° / 729.71.910.63.6
Mar16° / 8111.20.411.74.9
Apr20° / 11°609.5012.96.3
May25° / 16°498.7013.96.9
Jun29° / 20°458.1014.46.1
Jul31° / 22°5710.7014.24.7
Aug31° / 22°6110.7013.44.3
Sep28° / 20°11412.1012.25.7
Oct24° / 14°1029.6011.17.1
Nov18° / 969.80.210.15.8
Dec14° / 688.30.29.54.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54258
64357
74357
84357
94456
104555
114555
124654
134654
144654
154654
164753
174852
185050
195050
205149
215149
225248
235347
245446
255545
265644
275644
285743
295743
305842
315842

Chance of precipitation in May

Any precipitation

Sari gets around 49 mm of rain over 8.7 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 29% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
132
232
331
431
531
630
730
830
930
1030
1130
1230
1330
1430
1530
1630
1730
1830
1929
2029
2128
2228
2327
2427
2526
2626
2726
2825
2925
3025
3125

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 39% 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 (%)
141421700
238431910
335432110
432442310
529452510
626452720
723452920
821453230
919443330
1017443540
1115433750
1214423950
1312414060
1411404270
1510394370
169384580
178364690
1873547110
1973348120
2063148140
2162949161
2252749181
2352549201
2442349231
2542149251
2641948281
2731748302
2831647322
2931446352
3021346373
3121145393

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:11 AM to 4:46 AM, and sunset from 6:39 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:116:39
213.55:106:40
313.55:086:41
413.65:076:42
513.65:066:43
613.65:056:44
713.75:046:44
813.75:036:45
913.75:026:46
1013.85:016:47
1113.85:006:48
1213.84:596:49
1313.94:586:50
1413.94:576:51
1513.94:576:51
1613.94:566:52
1714.04:556:53
1814.04:546:54
1914.04:536:55
2014.04:536:56
2114.14:526:56
2214.14:516:57
2314.14:516:58
2414.14:506:59
2514.24:496:59
2614.24:497:00
2714.24:487:01
2814.24:487:02
2914.34:477:02
3014.34:477:03
3114.34:467:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.76 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.94 kWh/m² in June across the year — May's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.9Bright
245.9Bright
255.9Bright
266.0Bright
276.0Bright
286.0Bright
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Is May a good time to visit Sari?

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

6.9
Sightseeing
2nd-best month of the year
6.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Sari for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sari in May

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

In May, Sari sees daytime highs around 25°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Sari 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 35 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 18 to Nov 11 — about 5.9 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar12Bracing
Apr15Bracing
May20Cool
Jun25Warm
Jul27Warm
Aug28Tropical
Sep27Warm
Oct24Refreshing
Nov19Cool
Dec16Cool

UV index in Sari in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sari peaks around July 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 highHighModerateJul 18UV 9Jan 12UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun8Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec3Moderate

Air quality in Sari 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 Sari is worst in March — around 42 µg/m³ PM2.5 (poor), about 1.8× the cleanest month (July, 24 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Sari's WHO annual average of 36.9 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorMar 1642 µg/m³Jul 1725 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar42Poor
Apr41Poor
May36Poor
Jun31Moderate
Jul24Moderate
Aug31Moderate
Sep41Poor
Oct41Poor
Nov39Poor
Dec38Poor
Location & terrain

Where is Sari?

Sari sits at 36.6°N, 53.1°E, 43 m above sea level, in Iran. The nearest listed city is Jūybār, 16 km away.

Topography around Sari

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

Within 3 km, the terrain around Sari has only modest variations in elevation — a maximum elevation change of 66 m around an average of 37 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 614 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,003 m.

The land around Sari is covered by artificial surfaces (80%) within 3 km, trees (43%) and cropland (34%) within 16 km, and water (33%) and trees (32%) within 80 km.

3 km
66 m
16 km
614 m
80 km
4,003 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Jūybār 16 km · Qā’em Shahr 21 km · Nekā 23 km · Bābol 34 km · Amīr Kolā 35 km · Bābolsar 40 km · Zīr Āb 43 km · Behshahr 46 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 Sari (36.5633°, 53.0601°, elevation 43 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).