Khulayş weather in May

In May, Khulayş sees average daytime highs of 39°C and overnight lows near 25°C, with 2 mm of rain across 0.8 wet days and about 13 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 38°C in the first days to 40°C by the end. The sky is clear or mostly clear about 88% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of May to 13 h 12 min by month's end. Set against the rest of the year, May is Khulayş's 3rd-clearest and 6th-windiest month. For the whole year in context, see Khulayş's year-round climate.

Daytime high
39°
5th warmest
Overnight low
25°
8th coldest
Rainfall
2 mm
0.8 wet days
Daylight
13 h 06 min
5:47 AM – 6:51 PM
Cloud cover
14%
3rd clearest
Wind
13 km/h
6th windiest
Solar energy
7.53 kWh/m²
Travel score
0.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 38°C in the first days to 40°C by the end.

A typical May day in Khulayş reaches about 39°C in the afternoon and slips back to 25°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 36°C and 42°C. Set against its neighbours, May runs about 3°C warmer than April and about 1°C cooler than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13825
23825
33825
43825
53825
63825
73825
83825
93825
103925
113925
123925
133925
143925
153925
163926
173926
183926
193926
203926
213926
224026
234026
244026
254026
264026
274026
284026
294026
304026
314026

How May really feels in Khulayş

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
29 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.

Khulayş weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°202.310.86.9
Feb30° / 19°30.511.26.5
Mar33° / 21°6111.84.9
Apr36° / 23°6112.52.7
May39° / 25°20.8130.7
Jun40° / 27°00.113.30.0
Jul40° / 28°00.113.20.0
Aug40° / 29°00.112.80.0
Sep40° / 27°10.212.10.2
Oct38° / 25°41.311.51.3
Nov34° / 23°252.310.94.1
Dec31° / 20°12210.76.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 88% 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 7%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1946
2946
3946
4946
5946
6946
7937
8937
9937
10937
11937
12937
13937
14937
15928
16928
17919
18919
19928
20928
21928
22928
23928
24937
25937
26946
27946
28946
29964
30964
31964

Chance of precipitation in May

Any precipitation

Khulayş gets around 2 mm of rain over 0.8 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 3% and peaks near 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
44
54
64
74
84
94
103
113
123
133
143
153
163
173
183
192
202
212
222
232
242
252
262
271
281
291
301
311

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the muggy band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
171934328
271834338
371833338
471833338
571833348
671834348
761834348
861834358
961734358
1061734358
1161734368
1261734368
1361633378
1461633388
1561633388
1661533398
1761532398
1861432398
1951432409
2051432409
21513314010
22513314111
23513304112
24512294212
25512284313
26411284413
27411274414
28410264515
29410254515
3049254616
3149244717

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 48 min at the start of May to 13 h 12 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 5:56 AM to 5:43 AM, and sunset from 6:44 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:566:44
212.85:556:45
312.85:546:45
412.95:546:45
512.95:536:46
612.95:526:46
712.95:526:47
812.95:516:47
912.95:516:48
1013.05:506:48
1113.05:506:48
1213.05:496:49
1313.05:496:49
1413.05:486:50
1513.05:486:50
1613.15:476:51
1713.15:476:51
1813.15:466:52
1913.15:466:52
2013.15:466:53
2113.15:456:53
2213.15:456:53
2313.25:456:54
2413.25:446:54
2513.25:446:55
2613.25:446:55
2713.25:446:56
2813.25:436:56
2913.25:436:57
3013.25:436:57
3113.25:436:57

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 4.36 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
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.5Intense
87.5Intense
97.5Intense
107.5Intense
117.5Intense
127.5Intense
137.5Intense
147.5Intense
157.5Intense
167.5Intense
177.5Intense
187.5Intense
197.5Intense
207.5Intense
217.5Intense
227.5Intense
237.5Intense
247.5Intense
257.5Intense
267.5Intense
277.5Intense
287.5Intense
297.5Intense
307.5Intense
317.5Intense
Planning a trip in May

Hazard calendar for Khulayş

In seasonPeak

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

Khulayş sees seasonal dust haze (April–September), heaviest in June.

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

Is May a good time to visit Khulayş?

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

0.7
Sightseeing
8th-best month of the year
4.1
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Khulayş.

What to pack for Khulayş in May

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

In May, Khulayş sees daytime highs around 39°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Khulayş in May

The nearest coast averages about 28°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 32 km away) is warmest in August at about 31°C and coldest in February near 25°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb25Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul30Tropical
Aug31Tropical
Sep31Tropical
Oct31Tropical
Nov29Tropical
Dec27Warm

UV index in Khulayş 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 Khulayş peaks around July 10 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highModerateJul 10UV 11Dec 16UV 4
UV index (midday)Level
Jan7High
Feb8Very high
Mar10Very high
Apr11Extreme
May10Extreme
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct9Very high
Nov6High
Dec4Moderate

Air quality in Khulayş 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 Khulayş is worst in March — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateMar 2339 µg/m³Nov 925 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb37Poor
Mar40Poor
Apr39Poor
May32Moderate
Jun28Moderate
Jul27Moderate
Aug28Moderate
Sep27Moderate
Oct25Moderate
Nov25Moderate
Dec36Poor
Location & terrain

Where is Khulayş?

Khulayş sits at 22.2°N, 39.3°E, 67 m above sea level, in Saudi Arabia. The nearest listed city is Thuwal, 26 km away.

Ta'ifAsh ShafāBadr Ḩunayn

Topography around Khulayş

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

Within 3 km, the terrain around Khulayş has only modest variations in elevation — a maximum elevation change of 106 m around an average of 64 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 312 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,610 m.

The land around Khulayş is covered by bare terrain (94%) within 3 km, bare terrain (99%) within 16 km, and bare terrain (72%) and water (25%) within 80 km.

3 km
106 m
16 km
312 m
80 km
1,610 m
artificial surfacesbare terrainwater
May weather nearby: Thuwal 26 km · Al Jumūm 71 km · Jeddah 75 km · Rābigh 77 km · Mecca 96 km · Ta'if 150 km · Ash Shafā 159 km · Badr Ḩunayn 189 km

Saudi Arabia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type G
230 V · 60 Hz
Prices
≈ 47% of US
price level, 2025
GDP per capita
$34,537
2025
Happiness
6.8 / 10
World Happiness, 2025
Homicide rate
0.9
per 100k, 2019
Road deaths
35.9
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 404

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 Khulayş (22.1555°, 39.3201°, elevation 67 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).