Fasā weather in May

In May, Fasā sees average daytime highs of 30°C and overnight lows near 17°C, with 3 mm of rain across 0.9 wet days and about 13.4 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 32°C by the end. The sky is clear or mostly clear about 74% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of May to 13 h 42 min by month's end. Set against the rest of the year, May is Fasā's 6th-clearest and 1st-windiest month. For the whole year in context, see Fasā's year-round climate.

Daytime high
30°
5th warmest
Overnight low
17°
8th coldest
Rainfall
3 mm
0.9 wet days
Daylight
13 h 24 min
5:08 AM – 6:35 PM
Cloud cover
26%
6th clearest
Wind
7 km/h
1st windiest
Solar energy
7.86 kWh/m²
Travel score
6.8
out of 10

Fasā is city in Fars 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 27°C in the first days to 32°C by the end.

A typical May day in Fasā reaches about 30°C in the afternoon and slips back to 17°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 33°C. Set against its neighbours, May runs about 7°C warmer than April and about 5°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12614
22715
32715
42715
52715
62715
72815
82816
92816
102816
112916
122916
132916
142917
152917
163017
173017
183017
193017
203018
213118
223118
233118
243118
253118
263218
273219
283219
293219
303219
313319

How May really feels in Fasā

Once humidity and wind are folded in, May averages 4 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
4
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Fasā weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 515.71.510.43.4
Feb14° / 455.10.4114.6
Mar17° / 475.8011.86.6
Apr23° / 12°153.2012.78.1
May30° / 17°30.9013.46.8
Jun34° / 21°00.1013.83.9
Jul36° / 24°10.3013.72.9
Aug35° / 22°20.50133.6
Sep31° / 18°00.1012.25.9
Oct26° / 13°10.3011.38.9
Nov19° / 132.2010.67.5
Dec14° / 363.20.310.25.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 74% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17723
27723
37723
47822
57921
68020
78020
88218
98218
108416
118416
128416
138515
148614
158713
168713
178713
188812
198812
208812
218911
228911
238911
248911
259010
269010
27919
28919
29928
30937
31937

Chance of precipitation in May

Any precipitation

Fasā gets around 3 mm of rain over 0.9 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 3% and peaks near 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
36
45
55
65
74
84
94
104
114
123
133
143
153
163
173
183
192
202
212
222
232
242
252
262
272
281
291
301
311

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 (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in May

Winds average 7 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 06 min at the start of May to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:20 AM to 5:02 AM, and sunset from 6:25 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:206:25
213.15:196:26
313.15:186:27
413.25:176:27
513.25:166:28
613.25:156:29
713.25:156:29
813.35:146:30
913.35:136:30
1013.35:126:31
1113.35:126:32
1213.45:116:32
1313.45:106:33
1413.45:106:34
1513.45:096:34
1613.45:086:35
1713.55:086:35
1813.55:076:36
1913.55:076:37
2013.55:066:37
2113.55:066:38
2213.65:056:39
2313.65:056:39
2413.65:046:40
2513.65:046:40
2613.65:046:41
2713.65:036:41
2813.75:036:42
2913.75:036:43
3013.75:026:43
3113.75:026:44

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.86 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 7.99 kWh/m² in June across the year — May's 7.86 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.6Intense
57.6Intense
67.6Intense
77.7Intense
87.7Intense
97.7Intense
107.7Intense
117.8Intense
127.8Intense
137.8Intense
147.8Intense
157.9Intense
167.9Intense
177.9Intense
187.9Intense
198.0Intense
208.0Intense
218.0Intense
228.0Intense
238.0Intense
248.0Intense
258.0Intense
268.0Intense
278.1Intense
288.1Intense
298.1Intense
308.1Intense
318.1Intense
Planning a trip in May

Is May a good time to visit Fasā?

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

6.8
Sightseeing
4th-best month of the year
8.6
Beach & pool
2nd-best month of the year

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

What to pack for Fasā in May

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

In May, Fasā sees daytime highs around 30°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Fasā in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fasā peaks around June 18 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighModerateJun 18UV 12Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb7Very high
Mar8Very high
Apr8Very high
May11Extreme
Jun12Extreme
Jul11Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec4Moderate

Air quality in Fasā 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 Fasā is worst in April — around 35 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (November, 17 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1834 µg/m³Nov 1717 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb26Moderate
Mar30Moderate
Apr35Moderate
May32Moderate
Jun23Moderate
Jul29Moderate
Aug21Moderate
Sep22Moderate
Oct20Moderate
Nov17Moderate
Dec19Moderate
Location & terrain

Where is Fasā?

Fasā sits at 28.9°N, 53.6°E, 1,366 m above sea level, in Iran. The nearest listed city is Estahbān, 44 km away.

Topography around Fasā

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

Within 3 km, the terrain around Fasā has only modest variations in elevation — a maximum elevation change of 81 m around an average of 1,370 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,180 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,504 m.

The land around Fasā is covered by artificial surfaces (39%), cropland (35%) and bare terrain (20%) within 3 km, bare terrain (59%) and grassland (22%) within 16 km, and bare terrain (64%) within 80 km.

3 km
81 m
16 km
1,180 m
80 km
2,504 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
May weather nearby: Estahbān 44 km · Ābādeh 48 km · Jahrom 49 km · Sarvestān 56 km · Neyrīz 72 km · Qīr 78 km · Dārāb 89 km · Kavār 98 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 Fasā (28.9383°, 53.6482°, elevation 1,366 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).