Samā’il weather in May

In May, Samā’il sees average daytime highs of 38°C and overnight lows near 28°C, with 5 mm of rain across 1.5 wet days and about 13.1 hours of daylight. It is the 4th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 36°C in the first days to 39°C by the end. The sky is clear or mostly clear about 82% of the time in May, and the air most often feels dry.

Daylight stretches from about 12 h 54 min at the start of May to 13 h 18 min by month's end. Set against the rest of the year, May is Samā’il's 5th-clearest and 2nd-windiest month. For the whole year in context, see Samā’il's year-round climate.

Daytime high
38°
4th warmest
Overnight low
28°
9th coldest
Rainfall
5 mm
1.5 wet days
Daylight
13 h 06 min
5:31 AM – 6:38 PM
Cloud cover
19%
5th clearest
Wind
6 km/h
2nd windiest
Solar energy
7.53 kWh/m²
Travel score
1.4
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 36°C in the first days to 39°C by the end.

A typical May day in Samā’il reaches about 38°C in the afternoon and slips back to 28°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 35°C and 41°C. Set against its neighbours, May runs about 4°C warmer than April and about 2°C cooler than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13626
23626
33626
43626
53627
63727
73727
83727
93727
103727
113727
123727
133827
143828
153828
163828
173828
183828
193828
203828
213928
223928
233928
243928
253929
263929
273929
283929
293929
303929
313929

How May really feels in Samā’il

Once humidity and wind are folded in, May averages 31 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
31
5 feel dangerously hot (≥ 39°C)
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.

Samā’il weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 14°122.410.78.9
Feb26° / 16°121.811.28.8
Mar29° / 19°293.311.86.9
Apr33° / 23°193.212.54.1
May38° / 28°51.513.11.4
Jun40° / 30°70.713.40.1
Jul39° / 30°101.713.30.4
Aug38° / 28°61.912.81.1
Sep37° / 26°00.212.12.3
Oct33° / 23°71.111.54.7
Nov28° / 19°162.210.97.7
Dec25° / 15°152.310.68.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 82% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 8%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18614
28614
38713
48713
58812
68812
78812
89010
99010
10919
11919
12919
13919
14928
15928
16928
17928
18937
19937
20937
21937
22937
23937
24946
25955
26955
27955
28955
29955
30955
31955

Chance of precipitation in May

Any precipitation

Samā’il gets around 5 mm of rain over 1.5 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 5% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
38
48
57
67
76
86
96
105
115
125
135
145
155
164
174
184
194
204
214
224
234
244
254
264
273
283
293
303
313

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 79% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18112520
28311420
38311420
48311420
58311420
68311420
78411320
88411320
98411320
108610310
118610310
128510410
138510410
148510410
158510410
168311510
178311510
188112610
198112610
207913710
217814710
227615810
237516810
247317910
257218910
267019920
277019920
2868201020
2967201021
3065211031
3164211131

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 12 h 54 min at the start of May to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:40 AM to 5:26 AM, and sunset from 6:31 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:406:31
212.95:396:31
312.95:386:32
412.95:386:32
512.95:376:33
612.95:366:33
713.05:366:34
813.05:356:34
913.05:356:35
1013.05:346:35
1113.05:336:36
1213.15:336:36
1313.15:326:37
1413.15:326:37
1513.15:316:38
1613.15:316:38
1713.15:306:38
1813.15:306:39
1913.25:306:39
2013.25:296:40
2113.25:296:40
2213.25:286:41
2313.25:286:41
2413.25:286:42
2513.25:276:42
2613.35:276:43
2713.35:276:43
2813.35:276:44
2913.35:266:44
3013.35:266:45
3113.35:266:45

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.53 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.4 kWh/m² to a high of 7.53 kWh/m² in May across the year — May's 7.53 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.4Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.6Intense
177.6Intense
187.6Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.4Intense
Planning a trip in May

Hazard calendar for Samā’il

In seasonPeak

In May, Samā’il sits inside its cyclone and dust season. The full year is below, with each hazard's peak months called out.

Samā’il sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Samā’il sees seasonal dust haze (April–September), heaviest in July.

Cyclone
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Samā’il?

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

1.4
Sightseeing
9th-best month of the year
4.8
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Samā’il.

What to pack for Samā’il in May

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

In May, Samā’il sees daytime highs around 38°C and nights near 28°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Samā’il in May

The nearest coast averages about 30°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 56 km away) is warmest in June at about 32°C and coldest in February near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Refreshing
Mar24Warm
Apr27Warm
May30Tropical
Jun32Tropical
Jul31Tropical
Aug31Tropical
Sep30Tropical
Oct30Tropical
Nov28Warm
Dec25Warm

UV index in Samā’il 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 Samā’il peaks around May 15 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highHighMay 15UV 11Dec 15UV 6
UV index (midday)Level
Jan7High
Feb9Very high
Mar10Extreme
Apr10Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep10Very high
Oct9Very high
Nov6High
Dec6High

Air quality in Samā’il 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 Samā’il is worst in July — around 84 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (December, 25 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1882 µg/m³Dec 1425 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb33Moderate
Mar37Poor
Apr43Poor
May48Poor
Jun57Unhealthy
Jul84Unhealthy
Aug67Unhealthy
Sep44Poor
Oct31Moderate
Nov27Moderate
Dec25Moderate
Location & terrain

Where is Samā’il?

Samā’il sits at 23.3°N, 58.0°E, 405 m above sea level, in Oman. The nearest listed city is Sufālat Samā’il, 7.0 km away.

Topography around Samā’il

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

Within 3 km, the terrain around Samā’il has significant variations in elevation — a maximum elevation change of 346 m around an average of 425 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,081 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.

The land around Samā’il is covered by bare terrain (80%) within 3 km, bare terrain (93%) within 16 km, and bare terrain (77%) within 80 km.

3 km
346 m
16 km
2,081 m
80 km
2,973 m
treesgrasslandartificial surfacesbare terrainwater
May weather nearby: Sufālat Samā’il 7.0 km · Bidbid 22 km · Barkā’ 43 km · Izkī 45 km · Seeb 48 km · Rustaq 55 km · Bawshar 55 km · Muscat 56 km

Oman travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$19,947
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
91%
of population, 2024
Homicide rate
0.1
per 100k, 2023
Road deaths
10.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 407
Religion
Muslim 86%Christian 6%Hindu 6%other and unaffiliated 2%

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 Samā’il (23.2984°, 57.9531°, elevation 405 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).