Tan-Tan weather in December

In December, Tan-Tan sees average daytime highs of 22°C and overnight lows near 12°C, with 12 mm of rain across 2.6 wet days and about 10.2 hours of daylight. It is the 10th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 57% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of December to 10 h 12 min by month's end. Set against the rest of the year, December is Tan-Tan's 7th-clearest and 10th-windiest month. For the whole year in context, see Tan-Tan's year-round climate.

Daytime high
22°
10th warmest
Overnight low
12°
3rd coldest
Rainfall
12 mm
2.6 wet days
Daylight
10 h 12 min
7:35 AM – 5:47 PM
Cloud cover
37%
7th clearest
Wind
15 km/h
10th windiest
Solar energy
3.55 kWh/m²
Travel score
8.3
out of 10

Tan-Tan is city in Morocco.

Density
3,123/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical December day in Tan-Tan reaches about 22°C in the afternoon and slips back to 12°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12313
22313
32313
42313
52313
62213
72213
82213
92213
102213
112213
122212
132212
142212
152212
162212
172212
182212
192212
202212
212212
222212
232212
242212
252212
262212
272212
282212
292212
302211
312211

Tan-Tan weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 11°92.110.48.1
Feb22° / 12°142.2118.3
Mar24° / 14°102.211.88.7
Apr24° / 15°4112.78.8
May25° / 16°20.413.48.8
Jun26° / 18°10.313.88.7
Jul28° / 19°10.113.68.0
Aug29° / 20°20.3137.1
Sep28° / 19°50.812.27.8
Oct27° / 18°91.311.38.1
Nov25° / 15°101.910.68.5
Dec22° / 12°122.610.28.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37228
47327
57228
67327
77327
87426
97426
107525
117525
127525
137525
147525
157426
167426
177426
187525
197525
207525
217525
227525
237624
247624
257624
267624
277624
287624
297624
307624
317624

Chance of precipitation in December

Any precipitation

Tan-Tan gets around 12 mm of rain over 2.6 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 8% and peaks near 10% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
110
210
310
410
59
69
79
89
99
109
119
129
139
149
159
169
179
189
199
208
218
228
238
248
257
267
277
286
296
306
316

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
178211
278211
379201
480191
581181
682171
782171
883161
983161
1084151
1184151
1284151
1384151
1484151
1584151
1684151
1784151
1883152
1983152
2084142
2184142
2284142
2384142
2485132
2585132
2686122
2786122
2887112
2987112
3088102
3189101

Wind in December

Winds average 15 km/h in December.

Across December, 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 December

DaylightNight

Daylight runs from about 10 h 18 min at the start of December to 10 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:25 AM to 7:41 AM, and sunset from 5:44 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.37:255:44
210.37:255:44
310.37:265:44
410.37:275:44
510.37:275:44
610.37:285:44
710.37:295:44
810.27:305:44
910.27:305:45
1010.27:315:45
1110.27:325:45
1210.27:325:45
1310.27:335:46
1410.27:335:46
1510.27:345:46
1610.27:355:47
1710.27:355:47
1810.27:365:47
1910.27:365:48
2010.27:375:48
2110.27:375:49
2210.27:385:49
2310.27:385:50
2410.27:395:50
2510.27:395:51
2610.27:395:51
2710.27:405:52
2810.27:405:52
2910.27:415:53
3010.27:415:53
3110.27:415:54

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.55 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.55 kWh/m² to a high of 7.17 kWh/m² in June across the year — December's 3.55 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.6Moderate
43.6Moderate
53.6Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.6Moderate
243.6Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.6Moderate
Planning a trip in December

Hazard calendar for Tan-Tan

In seasonPeak

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

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

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

Is December a good time to visit Tan-Tan?

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

8.3
Sightseeing
6th-best month of the year
5.8
Beach & pool
10th-best month of the year

December is one of the better times to visit Tan-Tan for general sightseeing.

What to pack for Tan-Tan in December

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

In December, Tan-Tan sees daytime highs around 22°C and nights near 12°C. Worth packing: light clothes.

light clothes

Sea temperature near Tan-Tan in December

The nearest coast averages about 18°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 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 30 to Oct 25 — about 2.9 months when the water holds above 20°C.

16°18°20°22°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May18Cool
Jun19Cool
Jul20Cool
Aug20Refreshing
Sep21Refreshing
Oct20Refreshing
Nov19Cool
Dec18Cool

UV index in Tan-Tan in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tan-Tan peaks around June 21 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 21UV 11Dec 16UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar9Very high
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct8Very high
Nov5Moderate
Dec4Moderate

Air quality in Tan-Tan in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Tan-Tan is worst in February — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (June, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodGoodModerateFeb 1321 µg/m³Jun 119 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb21Moderate
Mar13Moderate
Apr11Good
May9Good
Jun9Good
Jul12Good
Aug14Moderate
Sep11Good
Oct13Moderate
Nov10Good
Dec17Moderate
Location & terrain

Where is Tan-Tan?

Tan-Tan sits at 28.4°N, 11.1°W, 45 m above sea level, in Morocco. The nearest listed city is Guelmim, 119 km away.

GuelmimSidi IfniBou IzakarnAssaTiznitSmaraArrecifeTeguise

Topography around Tan-Tan

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

Within 3 km, the terrain around Tan-Tan has only modest variations in elevation — a maximum elevation change of 79 m around an average of 53 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 295 m; within 80 km, large variations in elevation — a maximum elevation change of 952 m.

The land around Tan-Tan is covered by bare terrain (78%) within 3 km, bare terrain (96%) within 16 km, and bare terrain (68%) and water (26%) within 80 km.

3 km
79 m
16 km
295 m
80 km
952 m
shrubsgrasslandartificial surfacesbare terrainwater
December weather nearby: Guelmim 119 km · Sidi Ifni 138 km · Bou Izakarn 159 km · Assa 165 km · Tiznit 193 km · Smara 197 km · Arrecife 245 km · Teguise 250 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 Tan-Tan (28.438°, -11.1032°, elevation 45 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).