Ha'il weather in May

In May, Ha'il sees average daytime highs of 35°C and overnight lows near 21°C, with 4 mm of rain across 1.2 wet days and about 13.3 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 32°C in the first days to 37°C by the end. The sky is clear or mostly clear about 68% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of May to 13 h 36 min by month's end. Set against the rest of the year, May is Ha'il's 8th-clearest and 4th-windiest month. For the whole year in context, see Ha'il's year-round climate.

Daytime high
35°
5th warmest
Overnight low
21°
8th coldest
Rainfall
4 mm
1.2 wet days
Daylight
13 h 24 min
5:29 AM – 6:50 PM
Cloud cover
29%
8th clearest
Wind
14 km/h
4th windiest
Solar energy
7.66 kWh/m²
Travel score
3.4
out of 10

Ha'il is City in Saudi Arabia.

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 32°C in the first days to 37°C by the end.

A typical May day in Ha'il reaches about 35°C in the afternoon and slips back to 21°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 38°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13219
23219
33219
43319
53319
63319
73320
83320
93320
103420
113420
123420
133420
143421
153421
163521
173521
183521
193521
203522
213622
223622
233622
243622
253623
263623
273723
283723
293723
303723
313723

How May really feels in Ha'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
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.

Ha'il 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
Jan17° / 91.810.57.3
Feb20° / 81.4118.2
Mar24° / 11°122.211.88.8
Apr29° / 16°112.912.66.6
May35° / 21°41.213.33.4
Jun38° / 24°0013.71.1
Jul40° / 26°0013.60.3
Aug40° / 26°00130.0
Sep38° / 24°0012.21.4
Oct32° / 19°30.911.35.0
Nov24° / 12°233.410.68.3
Dec19° / 91.810.37.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48020
58119
68119
78119
88218
98218
108218
118218
128218
138218
148218
158218
168218
178119
188119
198218
208218
218218
228218
238317
248317
258416
268515
278614
288614
298812
308911
318911

Chance of precipitation in May

Any precipitation

Ha'il gets around 4 mm of rain over 1.2 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 4% and peaks near 8% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
28
37
47
57
66
76
86
95
105
115
125
134
144
154
164
174
183
193
203
213
222
232
242
252
261
271
281
291
300
310

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9982
10982
11982
12982
13982
14982
15982
16982
17982
18982
19982
20991
21991
22991
23991
241000
251000
261000
271000
281000
291000
301000
311000

Wind in May

Winds average 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 hours at the start of May to 13 h 36 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 5:39 AM to 5:23 AM, and sunset from 6:41 PM to 6:59 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.05:396:41
213.15:396:42
313.15:386:43
413.15:376:43
513.15:366:44
613.15:356:44
713.25:356:45
813.25:346:45
913.25:336:46
1013.25:336:47
1113.35:326:47
1213.35:316:48
1313.35:316:48
1413.35:306:49
1513.35:296:50
1613.45:296:50
1713.45:286:51
1813.45:286:51
1913.45:276:52
2013.45:276:52
2113.45:266:53
2213.55:266:54
2313.55:256:54
2413.55:256:55
2513.55:256:55
2613.55:246:56
2713.55:246:56
2813.65:246:57
2913.65:236:57
3013.65:236:58
3113.65:236:59

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.66 kWh/m².

For context, solar energy here swings from a low near 3.89 kWh/m² to a high of 7.89 kWh/m² in June across the year — May's 7.66 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.5Intense
27.5Intense
37.5Intense
47.5Intense
57.5Intense
67.5Intense
77.6Intense
87.6Intense
97.6Intense
107.6Intense
117.6Intense
127.6Intense
137.6Intense
147.6Intense
157.7Intense
167.7Intense
177.7Intense
187.7Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.7Intense
267.8Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Hazard calendar for Ha'il

In seasonPeak

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

Ha'il sees seasonal dust haze (March–September), heaviest in May.

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

Is May a good time to visit Ha'il?

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

3.4
Sightseeing
8th-best month of the year
6.9
Beach & pool
4th-best month of the year

May is a weaker month for outdoor sightseeing in Ha'il. The water and warmth also suit a beach or pool day.

What to pack for Ha'il in May

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

In May, Ha'il sees daytime highs around 35°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ha'il 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 Ha'il peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighModerateJun 23UV 11Dec 20UV 4
UV index (midday)Level
Jan5Moderate
Feb7Very high
Mar9Very high
Apr7High
May10Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep10Extreme
Oct8Very high
Nov6High
Dec4Moderate

Air quality in Ha'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 Ha'il is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 32 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorModeratePoorMar 2262 µg/m³Sep 932 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb44Poor
Mar63Unhealthy
Apr59Unhealthy
May56Unhealthy
Jun38Poor
Jul32Moderate
Aug32Moderate
Sep32Moderate
Oct35Poor
Nov36Poor
Dec37Poor
Location & terrain

Where is Ha'il?

Ha'il sits at 27.5°N, 41.7°E, 1,002 m above sea level, in Saudi Arabia. The nearest listed city is Baq‘ā’, 81 km away.

Turubah‘Uyūn al Jiwā’Riyāḑ al Khabrā’Al BukayrīyahAl Khabrā’Ar RassBuraydah

Topography around Ha'il

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

Within 3 km, the terrain around Ha'il has only modest variations in elevation — a maximum elevation change of 127 m around an average of 998 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 617 m; within 80 km, large variations in elevation — a maximum elevation change of 836 m.

The land around Ha'il is covered by artificial surfaces (74%) and bare terrain (22%) within 3 km, bare terrain (86%) within 16 km, and bare terrain (97%) within 80 km.

3 km
127 m
16 km
617 m
80 km
836 m
treescroplandartificial surfacesbare terrain
May weather nearby: Baq‘ā’ 81 km · Turubah 146 km · ‘Uyūn al Jiwā’ 223 km · Riyāḑ al Khabrā’ 246 km · Al Bukayrīyah 248 km · Al Khabrā’ 251 km · Ar Rass 257 km · Buraydah 263 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 Ha'il (27.5219°, 41.6907°, elevation 1,002 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).