As Suwayq weather in May

In May, As Suwayq sees average daytime highs of 41°C and overnight lows near 29°C, with 0 mm of rain across 0.1 wet days and about 13.1 hours of daylight. It is the 2nd-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 39°C in the first days to 42°C by the end. The sky is clear or mostly clear about 89% 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 24 min by month's end. Set against the rest of the year, May is As Suwayq's 4th-clearest and 1st-windiest month. For the whole year in context, see As Suwayq's year-round climate.

Daytime high
41°
2nd warmest
Overnight low
29°
9th coldest
Rainfall
0 mm
0.1 wet days
Daylight
13 h 06 min
5:32 AM – 6:41 PM
Cloud cover
13%
4th clearest
Wind
10 km/h
1st windiest
Solar energy
7.57 kWh/m²
Travel score
0.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 39°C in the first days to 42°C by the end.

A typical May day in As Suwayq reaches about 41°C in the afternoon and slips back to 29°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 37°C and 44°C. Set against its neighbours, May runs about 5°C warmer than April and about 1°C cooler than June.

25°30°35°40°45°50°151015202531
Avg high (°C)Avg low (°C)
13928
23928
33928
44028
54028
64028
74029
84029
94029
104129
114129
124129
134129
144129
154129
164130
174130
184130
194130
204130
214130
224230
234230
244230
254230
264230
274230
284230
294230
304230
314231

How May really feels in As Suwayq

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
31 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.

As Suwayq weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 17°71.610.78.7
Feb27° / 18°51.111.28.3
Mar31° / 21°71.211.85.9
Apr36° / 25°20.512.52.6
May41° / 29°00.113.10.1
Jun42° / 31°30.213.40.0
Jul41° / 31°40.213.30.0
Aug39° / 30°0012.80.5
Sep38° / 28°0012.11.2
Oct36° / 26°10.211.42.7
Nov31° / 22°40.710.86.0
Dec28° / 19°50.910.68.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 89% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 5% of May, with mostly cloudy or overcast conditions the remaining 6%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18812
28812
38911
48911
59010
69010
79010
8928
9928
10928
11928
12946
13946
14946
15946
16955
17955
18955
19964
20964
21964
22964
23964
24964
25964
26964
27973
28973
29973
30973
31973

Chance of precipitation in May

Any precipitation

As Suwayq gets around 0 mm of rain over 0.1 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
12
21
31
41
51
61
71
81
91
101
111
121
131
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
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 26% 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 (%)Miserable (%)
13128181561
23129181561
33229181561
43230181451
53230191451
63230191351
73230201341
83230201242
93230211242
103229211142
113229221142
123229221143
133128221153
143028221153
153027231163
162927231164
172826231174
182725231285
192624231295
202523231396
2124222314107
2223222315108
2322212315119
2421202216129
25202022171210
26191921171311
27181821181313
28171820181414
29161719181415
30151719181417
31141618181419

Wind in May

Winds average 10 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 10 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
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 54 min at the start of May to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over May. Sunrise moves from 5:41 AM to 5:27 AM, and sunset from 6:34 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:416:34
212.95:406:34
312.95:406:35
412.95:396:35
513.05:386:36
613.05:386:36
713.05:376:37
813.05:366:37
913.05:366:38
1013.05:356:38
1113.15:356:38
1213.15:346:39
1313.15:346:39
1413.15:336:40
1513.15:336:40
1613.15:326:41
1713.25:326:41
1813.25:316:42
1913.25:316:42
2013.25:306:43
2113.25:306:43
2213.25:306:44
2313.35:296:44
2413.35:296:45
2513.35:296:45
2613.35:286:46
2713.35:286:46
2813.35:286:47
2913.35:276:47
3013.35:276:48
3113.45:276:48

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.57 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.31 kWh/m² to a high of 7.57 kWh/m² in May across the year — May's 7.57 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.4Intense
27.4Intense
37.4Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.6Intense
167.6Intense
177.6Intense
187.6Intense
197.6Intense
207.6Intense
217.6Intense
227.6Intense
237.6Intense
247.6Intense
257.6Intense
267.6Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in May

Hazard calendar for As Suwayq

In seasonPeak

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

As Suwayq sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

As Suwayq sees seasonal dust haze (March–August), heaviest in July.

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

Is May a good time to visit As Suwayq?

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

0.1
Sightseeing
10th-best month of the year
2.6
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in As Suwayq.

What to pack for As Suwayq in May

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

In May, As Suwayq sees daytime highs around 41°C and nights near 29°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near As Suwayq 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 offshore is warmest in June at about 32°C and coldest in February near 23°C.

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

25°30°35°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb23Refreshing
Mar25Warm
Apr27Warm
May30Tropical
Jun32Tropical
Jul32Tropical
Aug31Tropical
Sep31Tropical
Oct30Tropical
Nov28Tropical
Dec25Warm

UV index in As Suwayq in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in As Suwayq peaks around May 18 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highHighMay 18UV 10Dec 20UV 5
UV index (midday)Level
Jan5High
Feb8Very high
Mar9Very high
Apr8Very high
May10Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep9Very high
Oct8Very high
Nov6High
Dec5Moderate

Air quality in As Suwayq 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 As Suwayq is worst in July — around 70 µg/m³ PM2.5 (unhealthy), about 3.6× the cleanest month (December, 20 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyPoorModerateJul 1768 µg/m³Dec 1620 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb29Moderate
Mar32Moderate
Apr37Poor
May44Poor
Jun55Poor
Jul70Unhealthy
Aug56Unhealthy
Sep34Moderate
Oct28Moderate
Nov23Moderate
Dec20Moderate
Location & terrain

Where is As Suwayq?

As Suwayq sits at 23.8°N, 57.4°E, 6 m above sea level, in Oman. The nearest listed city is Al Khābūrah, 38 km away.

ŞaḩamSeebSamā’ilSufālat Samā’ilBidbid

Topography around As Suwayq

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

Within 3 km, the terrain around As Suwayq has only modest variations in elevation — a maximum elevation change of 17 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,973 m.

The land around As Suwayq is covered by water (45%) within 3 km, water (50%) and grassland (21%) within 16 km, and bare terrain (59%) and water (32%) within 80 km.

3 km
17 m
16 km
79 m
80 km
2,973 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Al Khābūrah 38 km · Barkā’ 49 km · Rustaq 51 km · Şaḩam 66 km · Seeb 79 km · Samā’il 81 km · Sufālat Samā’il 84 km · Bidbid 86 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 As Suwayq (23.8494°, 57.4386°, elevation 6 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).