Guelmim weather in May

In May, Guelmim sees average daytime highs of 26°C and overnight lows near 14°C, with 3 mm of rain across 0.6 wet days and about 13.4 hours of daylight. It is the 6th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 26°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 h 06 min at the start of May to 13 h 42 min by month's end. Set against the rest of the year, May is Guelmim's 5th-clearest and 1st-windiest month. For the whole year in context, see Guelmim's year-round climate.

Daytime high
26°
6th warmest
Overnight low
14°
7th coldest
Rainfall
3 mm
0.6 wet days
Daylight
13 h 24 min
5:53 AM – 7:20 PM
Cloud cover
31%
5th clearest
Wind
15 km/h
1st windiest
Solar energy
7.65 kWh/m²
Travel score
8.7
out of 10

Guelmim is city in Morocco.

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 25°C in the first days to 26°C by the end.

A typical May day in Guelmim reaches about 26°C in the afternoon and slips back to 14°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 35°C. Set against its neighbours, May runs about 2°C warmer than April and about 2°C cooler than June.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12513
22513
32514
42514
52514
62514
72514
82514
92514
102614
112614
122614
132614
142614
152614
162615
172615
182615
192615
202615
212615
222615
232615
242615
252615
262615
272615
282615
292615
302715
312715

How May really feels in Guelmim

Once humidity and wind are folded in, May averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Guelmim weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 132.510.47.7
Feb21° / 10°192.8118.0
Mar23° / 12°172.811.88.5
Apr24° / 13°71.412.78.9
May26° / 14°30.613.48.7
Jun28° / 16°10.213.88.2
Jul32° / 19°0013.75.3
Aug33° / 19°20.5134.9
Sep30° / 18°40.912.26.8
Oct27° / 16°111.711.38.0
Nov23° / 13°192.310.68.4
Dec20° / 10°193.210.27.8

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 (%)
18119
28119
38119
48119
58119
68119
78119
88119
98119
108020
118020
128020
138020
148020
158020
168020
178119
188119
198119
208317
218317
228317
238416
248515
258515
268614
278713
288713
298812
308812
318911

Chance of precipitation in May

Any precipitation

Guelmim gets around 3 mm of rain over 0.6 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 2% and peaks near 3% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
13
23
33
43
53
63
73
83
93
103
113
123
133
142
152
162
172
182
192
201
211
221
231
241
250
260
270
280
290
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 67% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
184160
283170
382180
482180
581190
680200
780200
878211
977221
1076231
1175241
1274251
1373261
1472271
1571281
1670291
1768311
1867321
1965341
2064351
2162371
2260391
2359401
2456422
2554442
2653452
2751472
2850482
2948503
3046513
3144524

Wind in May

Winds average 15 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 06 min at the start of May to 13 h 42 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 6:04 AM to 5:47 AM, and sunset from 7:10 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:047:10
213.16:047:11
313.16:037:12
413.26:027:12
513.26:017:13
613.26:007:14
713.25:597:14
813.35:597:15
913.35:587:15
1013.35:577:16
1113.35:567:17
1213.45:567:17
1313.45:557:18
1413.45:547:19
1513.45:547:19
1613.45:537:20
1713.55:537:20
1813.55:527:21
1913.55:517:22
2013.55:517:22
2113.55:507:23
2213.65:507:23
2313.65:507:24
2413.65:497:25
2513.65:497:25
2613.65:487:26
2713.65:487:26
2813.75:487:27
2913.75:477:27
3013.75:477:28
3113.75:477:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.65 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 7.8 kWh/m² in June across the year — May's 7.65 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
157.6Intense
167.7Intense
177.7Intense
187.7Intense
197.7Intense
207.7Intense
217.7Intense
227.7Intense
237.7Intense
247.7Intense
257.8Intense
267.8Intense
277.8Intense
287.8Intense
297.8Intense
307.8Intense
317.8Intense
Planning a trip in May

Hazard calendar for Guelmim

In seasonPeak

None of Guelmim's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Guelmim sees seasonal dust haze (July–August), heaviest in July.

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

Is May a good time to visit Guelmim?

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

8.7
Sightseeing
2nd-best month of the year
8.2
Beach & pool
6th-best month of the year

May is one of the better times to visit Guelmim for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Guelmim in May

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

In May, Guelmim sees daytime highs around 26°C and nights near 14°C. Pack sun protection. Worth having: light clothes.

sun protectionlight clothes

Sea temperature near Guelmim in May

The nearest coast averages about 18°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 34 km away) is warmest in September at about 21°C and coldest in February near 17°C.

It's comfortable for a long swim from Jul 25 to Oct 23 — about 3 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb17Cool
Mar17Cool
Apr18Cool
May18Cool
Jun19Cool
Jul20Cool
Aug21Refreshing
Sep21Refreshing
Oct20Refreshing
Nov19Cool
Dec18Cool

UV index in Guelmim in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Guelmim peaks around June 19 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 19UV 11Dec 16UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar9Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul10Extreme
Aug11Extreme
Sep9Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Guelmim 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 Guelmim is worst in February — around 19 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (June, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodAug 1219 µg/m³Jun 911 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb19Moderate
Mar15Moderate
Apr13Moderate
May11Good
Jun11Good
Jul18Moderate
Aug19Moderate
Sep15Moderate
Oct16Moderate
Nov11Good
Dec11Good
Location & terrain

Where is Guelmim?

Guelmim sits at 29.0°N, 10.1°W, 301 m above sea level, in Morocco. The nearest listed city is Bou Izakarn, 40 km away.

Tan-TanTine BiougraBen JerrarLqoliaa

Topography around Guelmim

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

Within 3 km, the terrain around Guelmim has significant variations in elevation — a maximum elevation change of 326 m around an average of 302 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 602 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,399 m.

The land around Guelmim is covered by bare terrain (60%) and artificial surfaces (27%) within 3 km, bare terrain (72%) within 16 km, and bare terrain (55%) and grassland (21%) within 80 km.

3 km
326 m
16 km
602 m
80 km
1,399 m
shrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Bou Izakarn 40 km · Sidi Ifni 45 km · Assa 74 km · Tiznit 85 km · Tan-Tan 119 km · Tine Biougra 151 km · Ben Jerrar 152 km · Lqoliaa 157 km

Morocco travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 42% of US
price level, 2025
GDP per capita
$4,672
2025
Happiness
4.6 / 10
World Happiness, 2025
Safe drinking water
80%
of population, 2024
Homicide rate
1.7
per 100k, 2023
Road deaths
17
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 492
Religion
Muslim 99%other 1%

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 Guelmim (28.987°, -10.0574°, elevation 301 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).