Mers El Kheir in Winter
In winter (December, January and February), Mers El Kheir sees average daytime highs around 18°C and overnight lows near 9°C, with 152 mm of rain over about 21 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 18°C. The sky is clear or mostly clear about 44% of the time across winter, and the air most often feels dry.
Winter is Mers El Kheir's weakest season of the year to visit on our travel score. For the whole year in context, see Mers El Kheir's year-round climate.
- Avg daytime high
- 18°C
- coldest season of the year
- Avg overnight low
- 9°C
- Rainfall
- 152 mm
- 21 wet days
- Avg wind
- 9 km/h
- Travel score
- 6.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Mers El Kheir in Winter
Across winter, daytime highs hold fairly steady around 18°C.
A typical winter day in Mers El Kheir reaches about 18°C and drops to 9°C overnight. The warmest of the three months is December, the coolest January.
Mers El Kheir weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 17° / 8° | 54 | 7.3 | 10 | 6.2 |
| Feb | 18° / 9° | 46 | 6.9 | 10.7 | 6.6 |
| Mar | 21° / 11° | 46 | 6.8 | 11.7 | 7.1 |
| Apr | 22° / 12° | 35 | 6.7 | 12.8 | 7.4 |
| May | 25° / 14° | 22 | 4.6 | 13.7 | 8.0 |
| Jun | 27° / 17° | 4 | 1.1 | 14.2 | 8.4 |
| Jul | 29° / 19° | 1 | 0.4 | 14 | 7.2 |
| Aug | 30° / 19° | 2 | 0.3 | 13.3 | 7.0 |
| Sep | 28° / 18° | 14 | 2.7 | 12.2 | 7.7 |
| Oct | 25° / 16° | 39 | 5.8 | 11.1 | 7.7 |
| Nov | 21° / 12° | 62 | 7.6 | 10.2 | 7.1 |
| Dec | 19° / 10° | 52 | 6.9 | 9.8 | 6.7 |
Cloud cover in Winter
The sky is clear or mostly clear about 44% of the time across winter.
Chance of precipitation in Winter
Mers El Kheir gets around 152 mm of rain over 21 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 9 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 9 h 54 min in early December to 11 h 12 min by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 3.3 kWh/m².
Hazard calendar for Mers El Kheir
None of Mers El Kheir's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Mers El Kheir sees seasonal dust haze (July–August), heaviest in July.
Is winter a good time to visit Mers El Kheir?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Mers El Kheir for sightseeing.
What to pack for Mers El Kheir in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mers El Kheir sees daytime highs around 18°C and nights near 9°C. Little to plan around — just the basics. About 21 days see rain.
Sea temperature near Mers El Kheir in Winter
The nearest coast averages about 17°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 18 km away) is warmest in August at about 23°C and coldest in February near 17°C.
It's comfortable for a long swim from May 31 to Nov 6 — about 5.3 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 17 | 17 | 17 | 18 | 19 | 21 | 22 | 23 | 22 | 21 | 20 | 18 |
| Comfort | Cool | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 17 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 18 | Cool |
| May | 19 | Cool |
| Jun | 21 | Refreshing |
| Jul | 22 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 22 | Refreshing |
| Oct | 21 | Refreshing |
| Nov | 20 | Cool |
| Dec | 18 | Cool |
UV index in Mers El Kheir in Winter
Clear-sky midday UV across winter averages around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mers El Kheir peaks around July 19 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 8 | 8 | 8 | 9 | 11 | 9 | 7 | 6 | 4 | 3 |
| Level | Moderate | Moderate | Very high | Very high | Very high | Very high | Extreme | Very high | High | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 8 | Very high |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 7 | High |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Mers El Kheir in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Mers El Kheir is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (June, 24 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) | 55 | 51 | 41 | 35 | 29 | 24 | 26 | 30 | 32 | 45 | 48 | 54 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 55 | Poor |
| Feb | 51 | Poor |
| Mar | 41 | Poor |
| Apr | 35 | Moderate |
| May | 29 | Moderate |
| Jun | 24 | Moderate |
| Jul | 26 | Moderate |
| Aug | 30 | Moderate |
| Sep | 32 | Moderate |
| Oct | 45 | Poor |
| Nov | 48 | Poor |
| Dec | 54 | Poor |
Where is Mers El Kheir?
Mers El Kheir sits at 33.9°N, 6.9°W, 88 m above sea level, in Morocco. The nearest listed city is Aïn Attig, 5.0 km away.
Topography around Mers El Kheir
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mers El Kheir.
Within 3 km, the terrain around Mers El Kheir has only modest variations in elevation — a maximum elevation change of 133 m around an average of 103 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 294 m; within 80 km, large variations in elevation — a maximum elevation change of 1,044 m.
The land around Mers El Kheir is covered by cropland (45%) and grassland (26%) within 3 km, cropland (37%) and water (21%) within 16 km, and cropland (38%), water (27%) and grassland (20%) within 80 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 Mers El Kheir (33.8626°, -6.9296°, elevation 88 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.