Merzouga weather in May

In May, Merzouga sees average daytime highs of 33°C and overnight lows near 21°C, with 4 mm of rain across 0.7 wet days and about 13.6 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs climb over the month, from about 31°C in the first days to 35°C by the end. The sky is clear or mostly clear about 72% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 54 min by month's end. Set against the rest of the year, May is Merzouga's 10th-clearest and 1st-windiest month. For the whole year in context, see Merzouga's year-round climate.

Daytime high: 33°; 5th warmest
Overnight low: 21°; 8th coldest
Rainfall: 4 mm; 0.7 wet days
Daylight: 13 h 36 min; 5:25 AM – 6:59 PM
Cloud cover: 27%; 10th clearest
Wind: 18 km/h; 1st windiest
Solar energy: 7.9 kWh/m²
Travel score: 4.3; out of 10

← April Merzouga year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 31°C in the first days to 35°C by the end.

A typical May day in Merzouga reaches about 33°C in the afternoon and slips back to 21°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 38°C. Set against its neighbours, May runs about 4°C warmer than April and about 5°C cooler than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	31	31	31	32	32	32	32	32	32	33	33	33	33	33	33	33	34	34	34	34	34	34	34	34	35	35	35	35	35	36	36
Avg low (°C)	18	18	19	19	19	19	19	19	20	20	20	20	20	20	20	21	21	21	21	21	21	21	22	22	22	22	22	22	22	23	23

	Avg high (°C)	Avg low (°C)
1	31	18
2	31	18
3	31	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	19
9	32	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	20
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	35	22
26	35	22
27	35	22
28	35	22
29	35	22
30	36	23
31	36	23

How May really feels in Merzouga

Once humidity and wind are folded in, May averages 25 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Merzouga 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	18° / 6°	5	1.2	10.2	7.8
Feb	21° / 8°	6	1	10.9	8.4
Mar	25° / 12°	6	1.1	11.8	8.9
Apr	29° / 16°	3	0.6	12.7	7.3
May	33° / 21°	4	0.7	13.6	4.3
Jun	38° / 25°	1	0.3	14	1.2
Jul	42° / 29°	1	0.1	13.8	0.0
Aug	41° / 28°	2	0.5	13.1	0.1
Sep	36° / 24°	7	1.1	12.2	2.8
Oct	30° / 18°	8	1.2	11.2	6.7
Nov	23° / 11°	6	1.3	10.4	8.7
Dec	19° / 7°	4	0.9	10	8.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 17%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	85	85	84	84	84	84	83	83	83	82	82	82	82	82	82	82	82	82	82	82	82	82	82	83	83	83	84	84	84	84	85
Cloudier (%)	15	15	16	16	16	16	17	17	17	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	16	16	16	16	15

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	84	16
4	84	16
5	84	16
6	84	16
7	83	17
8	83	17
9	83	17
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	83	17
25	83	17
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	85	15

Chance of precipitation in May

Any precipitation

Merzouga gets around 4 mm of rain over 0.7 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	3	3	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	3	3	3	3	3	3	3	2	2	2	2	2

	Rain chance (%)
1	3
2	3
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	2
28	2
29	2
30	2
31	2

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99
Comfortable (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

Wind in May

Winds average 18 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 17 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	18	17	17	17	17	17
Feels	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze	light breeze

	Wind speed (km/h)	Feels
1	18	light breeze
2	18	light breeze
3	18	light breeze
4	18	light breeze
5	18	light breeze
6	18	light breeze
7	18	light breeze
8	18	light breeze
9	18	light breeze
10	18	light breeze
11	18	light breeze
12	18	light breeze
13	18	light breeze
14	18	light breeze
15	18	light breeze
16	18	light breeze
17	18	light breeze
18	18	light breeze
19	18	light breeze
20	18	light breeze
21	18	light breeze
22	18	light breeze
23	18	light breeze
24	18	light breeze
25	18	light breeze
26	18	light breeze
27	17	light breeze
28	17	light breeze
29	17	light breeze
30	17	light breeze
31	17	light breeze

Sunrise & sunset in May

DaylightNight

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

Days grow by about 42 minutes over May. Sunrise moves from 5:37 AM to 5:18 AM, and sunset from 6:49 PM to 7:09 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	13.2	13.2	13.3	13.3	13.3	13.3	13.4	13.4	13.4	13.4	13.5	13.5	13.5	13.5	13.6	13.6	13.6	13.6	13.6	13.7	13.7	13.7	13.7	13.7	13.8	13.8	13.8	13.8	13.8	13.8	13.9
Sunrise (AM)	5:37	5:36	5:35	5:35	5:34	5:33	5:32	5:31	5:30	5:29	5:29	5:28	5:27	5:26	5:26	5:25	5:24	5:24	5:23	5:23	5:22	5:22	5:21	5:21	5:20	5:20	5:19	5:19	5:19	5:18	5:18
Sunset (PM)	6:49	6:50	6:51	6:51	6:52	6:53	6:53	6:54	6:55	6:55	6:56	6:57	6:57	6:58	6:59	6:59	7:00	7:01	7:02	7:02	7:03	7:03	7:04	7:05	7:05	7:06	7:07	7:07	7:08	7:08	7:09

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.2	5:37	6:49
2	13.2	5:36	6:50
3	13.3	5:35	6:51
4	13.3	5:35	6:51
5	13.3	5:34	6:52
6	13.3	5:33	6:53
7	13.4	5:32	6:53
8	13.4	5:31	6:54
9	13.4	5:30	6:55
10	13.4	5:29	6:55
11	13.5	5:29	6:56
12	13.5	5:28	6:57
13	13.5	5:27	6:57
14	13.5	5:26	6:58
15	13.6	5:26	6:59
16	13.6	5:25	6:59
17	13.6	5:24	7:00
18	13.6	5:24	7:01
19	13.6	5:23	7:02
20	13.7	5:23	7:02
21	13.7	5:22	7:03
22	13.7	5:22	7:03
23	13.7	5:21	7:04
24	13.7	5:21	7:05
25	13.8	5:20	7:05
26	13.8	5:20	7:06
27	13.8	5:19	7:07
28	13.8	5:19	7:07
29	13.8	5:19	7:08
30	13.8	5:18	7:08
31	13.9	5:18	7:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7.9 kWh/m².

For context, solar energy here swings from a low near 3.6 kWh/m² to a high of 8.11 kWh/m² in June across the year — May's 7.9 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	7.8	7.8	7.8	7.8	7.8	7.8	7.8	7.8	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	7.9	8.0	8.0	8.0	8.0	8.0	8.0	8.0
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	7.8	Intense
2	7.8	Intense
3	7.8	Intense
4	7.8	Intense
5	7.8	Intense
6	7.8	Intense
7	7.8	Intense
8	7.8	Intense
9	7.9	Intense
10	7.9	Intense
11	7.9	Intense
12	7.9	Intense
13	7.9	Intense
14	7.9	Intense
15	7.9	Intense
16	7.9	Intense
17	7.9	Intense
18	7.9	Intense
19	7.9	Intense
20	7.9	Intense
21	7.9	Intense
22	7.9	Intense
23	7.9	Intense
24	7.9	Intense
25	8.0	Intense
26	8.0	Intense
27	8.0	Intense
28	8.0	Intense
29	8.0	Intense
30	8.0	Intense
31	8.0	Intense

Planning a trip in May

Hazard calendar for Merzouga

In seasonPeak

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

Merzouga sees seasonal dust haze (April–September), heaviest in July.

Dust

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is May a good time to visit Merzouga?

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

4.3

Sightseeing

8th-best month of the year

7.8

Beach & pool

3rd-best month of the year

May is a reasonable time to visit Merzouga for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Merzouga in May

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

In May, Merzouga sees daytime highs around 33°C and nights near 21°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Merzouga 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 Merzouga peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 4 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	5	5	8	9	9	10	10	10	9	8	5	4
Level	Moderate	Moderate	Very high	Very high	Very high	Very high	Extreme	Very high	Very high	Very high	Moderate	Moderate

	UV index (midday)	Level
Jan	5	Moderate
Feb	5	Moderate
Mar	8	Very high
Apr	9	Very high
May	9	Very high
Jun	10	Very high
Jul	10	Extreme
Aug	10	Very high
Sep	9	Very high
Oct	8	Very high
Nov	5	Moderate
Dec	4	Moderate

Air quality in Merzouga 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 Merzouga is worst in April — around 61 µg/m³ PM2.5 (unhealthy), about 3.9× the cleanest month (December, 16 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	21	33	42	61	58	56	51	53	46	31	20	16
Level	Moderate	Moderate	Poor	Unhealthy	Unhealthy	Unhealthy	Poor	Poor	Poor	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	21	Moderate
Feb	33	Moderate
Mar	42	Poor
Apr	61	Unhealthy
May	58	Unhealthy
Jun	56	Unhealthy
Jul	51	Poor
Aug	53	Poor
Sep	46	Poor
Oct	31	Moderate
Nov	20	Moderate
Dec	16	Moderate

Location & terrain

Where is Merzouga?

Merzouga sits at 31.1°N, 4.0°W, 0 m above sea level, in Morocco. The nearest listed city is Moulay Ali Cherif, 31 km away.

Topography around Merzouga

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

Within 3 km, the terrain around Merzouga has only modest variations in elevation — a maximum elevation change of 116 m around an average of 706 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 242 m; within 80 km, large variations in elevation — a maximum elevation change of 703 m.

The land around Merzouga is covered by bare terrain (97%) within 3 km, bare terrain (100%) within 16 km, and bare terrain (99%) within 80 km.

3 km

116 m

bare terrain 97%

16 km

242 m

bare terrain 100%

80 km

703 m

bare terrain 99%

artificial surfacesbare terrain

← April Merzouga year-round climate June →Best places to visit in May

May weather nearby: Moulay Ali Cherif 31 km · Reçani 32 km · Arfoud 43 km · Errachidia 100 km · Goulmima 111 km · Rich 137 km · Tinerhir 152 km · Béchar 180 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

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 Merzouga (31.0994°, -4.0134°, elevation 0 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).

	Avg high (°C)	Avg low (°C)
1	31	18
2	31	18
3	31	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	19
9	32	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	20
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	35	22
26	35	22
27	35	22
28	35	22
29	35	22
30	36	23
31	36	23

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	84	16
4	84	16
5	84	16
6	84	16
7	83	17
8	83	17
9	83	17
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	83	17
25	83	17
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	85	15

	Rain chance (%)
1	3
2	3
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	2
28	2
29	2
30	2
31	2

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

	Avg high (°C)	Avg low (°C)
1	31	18
2	31	18
3	31	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	19
9	32	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	20
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	35	22
26	35	22
27	35	22
28	35	22
29	35	22
30	36	23
31	36	23

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	84	16
4	84	16
5	84	16
6	84	16
7	83	17
8	83	17
9	83	17
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	83	17
25	83	17
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	85	15

	Rain chance (%)
1	3
2	3
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	2
28	2
29	2
30	2
31	2

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1

	Avg high (°C)	Avg low (°C)
1	31	18
2	31	18
3	31	19
4	32	19
5	32	19
6	32	19
7	32	19
8	32	19
9	32	20
10	33	20
11	33	20
12	33	20
13	33	20
14	33	20
15	33	20
16	33	21
17	34	21
18	34	21
19	34	21
20	34	21
21	34	21
22	34	21
23	34	22
24	34	22
25	35	22
26	35	22
27	35	22
28	35	22
29	35	22
30	36	23
31	36	23

	Clearer (%)	Cloudier (%)
1	85	15
2	85	15
3	84	16
4	84	16
5	84	16
6	84	16
7	83	17
8	83	17
9	83	17
10	82	18
11	82	18
12	82	18
13	82	18
14	82	18
15	82	18
16	82	18
17	82	18
18	82	18
19	82	18
20	82	18
21	82	18
22	82	18
23	82	18
24	83	17
25	83	17
26	83	17
27	84	16
28	84	16
29	84	16
30	84	16
31	85	15

	Rain chance (%)
1	3
2	3
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	2
11	2
12	2
13	2
14	2
15	2
16	2
17	2
18	3
19	3
20	3
21	3
22	3
23	3
24	3
25	3
26	3
27	2
28	2
29	2
30	2
31	2

	Dry (%)	Comfortable (%)
1	100	0
2	100	0
3	100	0
4	100	0
5	100	0
6	100	0
7	100	0
8	100	0
9	100	0
10	100	0
11	100	0
12	100	0
13	100	0
14	100	0
15	100	0
16	100	0
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	99	1
25	99	1
26	99	1
27	99	1
28	99	1
29	99	1
30	99	1
31	99	1