Al Jumūm weather in May

In May, Al Jumūm sees average daytime highs of 40°C and overnight lows near 27°C, with 6 mm of rain across 2.2 wet days and about 13 hours of daylight. It is the 5th-warmest and 7th-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 87% of the time in May, and the air most often feels dry.

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 Al Jumūm's 2nd-clearest and 7th-windiest month. For the whole year in context, see Al Jumūm's year-round climate.

Daytime high
40°
5th warmest
Overnight low
27°
8th coldest
Rainfall
6 mm
2.2 wet days
Daylight
13 hours
5:47 AM – 6:48 PM
Cloud cover
16%
2nd clearest
Wind
11 km/h
7th windiest
Solar energy
7.41 kWh/m²
Travel score
0.2
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 Al Jumūm reaches about 40°C in the afternoon and slips back to 27°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 38°C and 43°C. Set against its neighbours, May runs about 3°C warmer than April and about 2°C cooler than June.

20°25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13925
23926
33926
43926
53926
63926
73926
84026
94026
104026
114026
124026
134026
144026
154027
164027
174127
184127
194127
204127
214127
224127
234127
244127
254127
264127
274127
284227
294227
304227
314227

How May really feels in Al Jumūm

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.

Al Jumūm 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 daysDaylight (hours)Travel score
Jan29° / 18°423.710.87.0
Feb31° / 19°4111.36.2
Mar34° / 21°91.311.84.2
Apr37° / 24°12212.51.9
May40° / 27°62.2130.2
Jun42° / 28°10.313.30.0
Jul41° / 29°00.113.20.0
Aug41° / 29°20.712.70.0
Sep40° / 28°41.312.10.0
Oct38° / 25°62.611.51.3
Nov34° / 22°202.7114.2
Dec30° / 19°242.910.76.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 6% 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
7946
8946
9946
10937
11937
12937
13937
14937
15937
16937
17937
18937
19928
20928
21928
22928
23928
24937
25937
26937
27937
28946
29955
30955
31964

Chance of precipitation in May

Any precipitation

Al Jumūm gets around 6 mm of rain over 2.2 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 7% and peaks near 9% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
19
29
39
49
59
69
79
89
99
109
119
128
138
148
158
168
178
187
197
207
217
226
236
245
255
265
274
284
294
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 34% 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 (%)
1312826142
2312826142
3322725142
4322725142
5332724142
6332724142
7342723132
8342723132
9352723132
10352723132
11352723132
12352723132
13352724132
14352724122
15352725122
16342725122
17342626122
18342627112
19342627112
20342528111
21342528111
22342528121
23342529121
24332529121
25332529121
26332528121
27332628121
28332628121
29332627121
30332627121
31332727121

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

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 5:55 AM to 5:42 AM, and sunset from 6:42 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:556:42
212.85:546:42
312.85:546:43
412.85:536:43
512.95:526:44
612.95:526:44
712.95:516:44
812.95:516:45
912.95:506:45
1012.95:496:46
1113.05:496:46
1213.05:486:47
1313.05:486:47
1413.05:476:47
1513.05:476:48
1613.05:476:48
1713.05:466:49
1813.15:466:49
1913.15:456:50
2013.15:456:50
2113.15:456:51
2213.15:446:51
2313.15:446:51
2413.15:446:52
2513.15:446:52
2613.25:436:53
2713.25:436:53
2813.25:436:54
2913.25:436:54
3013.25:426:54
3113.25:426:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.41 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 7.41 kWh/m² in May across the year — May's 7.41 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.3Intense
27.3Intense
37.3Intense
47.4Intense
57.4Intense
67.4Intense
77.4Intense
87.4Intense
97.4Intense
107.4Intense
117.4Intense
127.4Intense
137.4Intense
147.4Intense
157.4Intense
167.4Intense
177.4Intense
187.4Intense
197.4Intense
207.4Intense
217.4Intense
227.4Intense
237.4Intense
247.4Intense
257.4Intense
267.4Intense
277.4Intense
287.4Intense
297.4Intense
307.4Intense
317.4Intense
Planning a trip in May

Hazard calendar for Al Jumūm

In seasonPeak

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

Al Jumūm 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 Al Jumūm?

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

0.2
Sightseeing
8th-best month of the year
2.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Al Jumūm.

What to pack for Al Jumūm in May

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

In May, Al Jumūm sees daytime highs around 40°C and nights near 27°C. Pack light clothes and sun protection.

light clothessun protection

Sea temperature near Al Jumūm 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 59 km away) is warmest in August at about 31°C and coldest in February near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul30Tropical
Aug31Tropical
Sep31Tropical
Oct31Tropical
Nov30Tropical
Dec28Warm

UV index in Al Jumūm 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 Al Jumūm peaks around April 16 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highVery highHighModerateApr 16UV 11Dec 15UV 4
UV index (midday)Level
Jan7High
Feb8Very high
Mar11Extreme
Apr11Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug9Very high
Sep10Extreme
Oct9Very high
Nov6High
Dec4Moderate

Air quality in Al Jumūm 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 Al Jumūm is worst in March — around 56 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMar 2355 µg/m³Nov 1336 µg/m³
PM2.5 (µg/m³)Level
Jan46Poor
Feb49Poor
Mar56Unhealthy
Apr55Unhealthy
May48Poor
Jun47Poor
Jul39Poor
Aug42Poor
Sep44Poor
Oct40Poor
Nov35Moderate
Dec45Poor
Location & terrain

Where is Al Jumūm?

Al Jumūm sits at 21.6°N, 39.7°E, 208 m above sea level, in Saudi Arabia. The nearest listed city is Mecca, 25 km away.

RābighAl Līth

Topography around Al Jumūm

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

Within 3 km, the terrain around Al Jumūm has only modest variations in elevation — a maximum elevation change of 182 m around an average of 212 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 619 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,588 m.

The land around Al Jumūm is covered by bare terrain (73%) and artificial surfaces (23%) within 3 km, bare terrain (94%) within 16 km, and bare terrain (84%) within 80 km.

3 km
182 m
16 km
619 m
80 km
2,588 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Mecca 25 km · Jeddah 55 km · Khulayş 71 km · Ta'if 84 km · Ash Shafā 89 km · Thuwal 95 km · Rābigh 148 km · Al Līth 174 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 Al Jumūm (21.6195°, 39.6966°, elevation 208 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).