Guelmim climate
Guelmim (Morocco) has a hot desert climate (Köppen BWh). The average temperature over the year is 21 °C69 °F, and about 197 mm7.8 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Guelmim climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 2068 | 847 | 1457 | 200.8 |
| Feb | 2171 | 949 | 1560 | 251.0 |
| Mar | 2476 | 1152 | 1864 | 220.9 |
| Apr | 2577 | 1355 | 1966 | 110.4 |
| May | 2781 | 1559 | 2170 | 110.4 |
| Jun | 3086 | 1763 | 2374 | 40.2 |
| Jul | 3494 | 2068 | 2781 | 30.1 |
| Aug | 3594 | 2170 | 2882 | 70.3 |
| Sep | 3187 | 1865 | 2576 | 90.3 |
| Oct | 2984 | 1762 | 2373 | 230.9 |
| Nov | 2475 | 1355 | 1865 | 411.6 |
| Dec | 2169 | 1049 | 1559 | 220.9 |
| Year | 3594 | 847 | 2169 | 1977.8 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 58% | 27% | 4.0 | 10:29 |
| Feb | 58% | 28% | 4.8 | 11:08 |
| Mar | 57% | 28% | 5.9 | 11:55 |
| Apr | 62% | 34% | 6.5 | 12:50 |
| May | 61% | 33% | 6.8 | 13:35 |
| Jun | 61% | 34% | 6.7 | 13:59 |
| Jul | 50% | 34% | 6.5 | 13:49 |
| Aug | 50% | 31% | 6.2 | 13:10 |
| Sep | 60% | 29% | 5.8 | 12:17 |
| Oct | 58% | 30% | 5.0 | 11:25 |
| Nov | 58% | 29% | 4.1 | 10:40 |
| Dec | 59% | 29% | 3.6 | 10:18 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Guelmim is like
The warmest month is August, with an average high of 35 °C94 °F and a low of 21 °C70 °F. The coldest is January, when highs average 20 °C68 °F and lows 8 °C47 °F. There is a clear seasonal cycle, with 13.8 °C24.8 °F between the average temperature of the warmest and the coolest month.
It is dry, with about 197 mm7.8 in of precipitation per year. The wettest three-month stretch is October–December, which brings 44% of the annual total. Months with less than 20 mm0.8 in on average: January and April–September. The wettest month is November (41 mm1.6 in), the driest is July (3 mm0.1 in).
Relative humidity ranges from 50% in July to 62% in April. The clearest skies (lowest average cloud amount, 27%) are typical of January. Average wind speed near the ground ranges from 12 km/h (7 mph) in October to 18 km/h (11 mph) in June. Daylight lasts from about 10.3 hours in December to 14.0 hours in June.
Best time to visit Guelmim
Based on these averages, the most comfortable months for sightseeing and outdoor activities are October–June: average highs of 20 °C68 °F to 30 °C86 °F with 4 mm0.2 in to 41 mm1.6 in of precipitation per month.
The most challenging month is August, which is hot, with average highs of 35 °C94 °F.
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Guelmim
- Winter (December–February) — highs 2068 to 21 °C71 °F, lows 847 to 10 °C49 °F, about 22 mm0.9 in of precipitation a month. Pack light layers — T-shirts plus a light sweater or jacket and an extra layer for the cooler mornings and evenings.
- Spring (March–May) — highs 2476 to 27 °C81 °F, lows 1152 to 15 °C59 °F, about 14 mm0.6 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
- Summer (June–August) — highs 3086 to 35 °C94 °F, lows 1763 to 21 °C70 °F, about 5 mm0.2 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
- Autumn (September–November) — highs 2475 to 31 °C87 °F, lows 1355 to 18 °C65 °F, about 24 mm1.0 in of precipitation a month. Pack light summer clothes such as T-shirts, shorts or light dresses and an extra layer for the cooler mornings and evenings.
How Guelmim compares
Compared with Agadir, about 165 km to the north, Guelmim is on average 2.6 °C4.7 °F cooler and receives 26% less precipitation (197 mm7.8 in vs 267 mm10 in). The difference is largest in July (4.2 °C7.6 °F cooler).
Of the 31 places in Morocco covered by World Climates, Guelmim is the 5th warmest by annual mean temperature and the 31st wettest by annual precipitation. See all of them on the Morocco climate page.
Places in other countries with the most similar temperature and rainfall pattern (seasons shifted for the other hemisphere where needed): Laayoune (Western Sahara, BWh), Sfax (Tunisia, BWh) and Colina (Chile, BSh).
Nearby places
- Agadir 165 km · 23 °C74 °F · 267 mm10 in
- Marrakesh 354 km · 21 °C70 °F · 291 mm11 in
- Laayoune 369 km · 21 °C69 °F · 146 mm5.7 in
- Safi 377 km · 19 °C66 °F · 347 mm14 in
- El Kelaa des Srarhna 425 km · 21 °C69 °F · 312 mm12 in
- El Jadida 497 km · 19 °C66 °F · 418 mm16 in
- Settat 503 km · 19 °C66 °F · 440 mm17 in
- Al Fqih Ben Çalah 506 km · 21 °C69 °F · 397 mm16 in
Frequently asked questions
What is the warmest month in Guelmim?
August is the warmest month in Guelmim, with an average high of 35 °C (94 °F) and an average low of 21 °C (70 °F).
What is the coldest month in Guelmim?
January is the coldest month, with an average high of 20 °C (68 °F) and an average low of 8 °C (47 °F).
When does it rain the most in Guelmim?
November is the wettest month with about 41 mm (1.6 in) of precipitation; July is the driest with about 3 mm (0.1 in).
What is the best time to visit Guelmim?
Judging by long-term averages, the most comfortable months are October–June.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 408 m, while Guelmim lies at about 301 m. Temperatures on this page were therefore adjusted by +0.7 °C1.3 °F using the standard lapse rate of 6.5 °C per 1,000 m.