Joal weather in December

In December, Joal sees average daytime highs of 30°C and overnight lows near 21°C, with 2 mm of rain across 0.3 wet days and about 11.2 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 45% of the time in December, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of December to 11 h 12 min by month's end. Set against the rest of the year, December is Joal's 8th-clearest and 7th-windiest month. For the whole year in context, see Joal's year-round climate.

Daytime high
30°
5th warmest
Overnight low
21°
5th coldest
Rainfall
2 mm
0.3 wet days
Daylight
11 h 12 min
7:29 AM – 6:39 PM
Cloud cover
47%
8th clearest
Wind
14 km/h
7th windiest
Solar energy
5.15 kWh/m²
Travel score
6.4
out of 10

Joal is city in Senegal.

Density
2,647/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 30°C through the month.

A typical December day in Joal reaches about 30°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C warmer than January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43021
53021
63021
73021
83021
93021
103021
113021
123021
133021
143021
153021
163021
173021
183020
193020
203020
213020
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

How December really feels in Joal

Once humidity and wind are folded in, December 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

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

Joal weather by month

How December compares with the rest of the year at a glance. December is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°20.211.37.2
Feb29° / 20°10.111.56.8
Mar30° / 20°00.111.96.6
Apr30° / 20°0012.36.8
May29° / 22°00.112.67.0
Jun29° / 24°40.712.86.8
Jul29° / 26°61912.85.4
Aug29° / 26°18418.112.54.2
Sep30° / 26°12815.712.14.3
Oct31° / 26°355.111.75.0
Nov32° / 23°10.211.35.2
Dec30° / 21°20.311.26.4

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 12% of December, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35743
45743
55743
65743
75743
85743
95743
105644
115644
125644
135545
145644
155644
165644
175644
185743
195743
205743
215743
225842
235941
245941
255941
265941
275941
285941
295941
305941
315941

Chance of precipitation in December

Any precipitation

Joal gets around 2 mm of rain over 0.3 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 1% and peaks near 2% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
11
21
32
42
52
62
72
82
92
101
111
121
131
141
151
161
171
180
190
200
210
220
230
240
250
260
270
280
290
300
311

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 10% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1283022183
2302921173
3322920163
4342919152
5362918142
6382917142
7392916132
8412916122
9432915122
10442914111
11452914111
12472814101
13482814101
1449271491
1550271491
1650261491
1752261480
1853251480
1954241480
2056231470
2157221470
2257221461
2360211351
2461201351
2563201241
2665191141
2766191131
2868181031
297018921
307118821
317317721

Wind in December

Winds average 14 km/h in December.

Across December, daily wind ranges from about 14 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
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light 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 11 h 12 min at the start of December to 11 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 7:20 AM to 7:35 AM, and sunset from 6:34 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:206:34
211.27:216:34
311.27:226:34
411.27:226:35
511.27:236:35
611.27:236:35
711.27:246:35
811.27:246:36
911.27:256:36
1011.27:256:36
1111.27:266:37
1211.27:266:37
1311.27:276:37
1411.27:286:38
1511.27:286:38
1611.27:296:39
1711.27:296:39
1811.27:306:39
1911.27:306:40
2011.27:316:40
2111.27:316:41
2211.27:326:41
2311.27:326:42
2411.27:326:42
2511.27:336:43
2611.27:336:43
2711.27:346:44
2811.27:346:44
2911.27:356:45
3011.27:356:45
3111.27:356:46

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.15 kWh/m².

For context, solar energy here swings from a low near 5.04 kWh/m² to a high of 7.22 kWh/m² in April across the year — December's 5.15 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Joal

In seasonPeak

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

Joal sits in the Atlantic hurricane belt; the season peaks August–October.

Joal sees seasonal dust haze (January–October), heaviest in June.

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

Is December a good time to visit Joal?

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

6.4
Sightseeing
7th-best month of the year
8.5
Beach & pool
7th-best month of the year

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

What to pack for Joal in December

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

In December, Joal sees daytime highs around 30°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Joal in December

The nearest coast averages about 24°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in October at about 29°C and coldest in March near 19°C.

It's comfortable for a long swim from Apr 16 to Feb 5 — about 9.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb20Cool
Mar19Cool
Apr20Cool
May22Refreshing
Jun26Warm
Jul28Warm
Aug28Tropical
Sep29Tropical
Oct29Tropical
Nov27Warm
Dec24Refreshing

UV index in Joal in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Joal peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 18UV 13Dec 18UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Joal 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 Joal is worst in February — around 105 µg/m³ PM2.5 (unhealthy), about 3.2× the cleanest month (August, 33 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorUnhealthyFeb 10104 µg/m³Aug 1834 µg/m³
PM2.5 (µg/m³)Level
Jan100Unhealthy
Feb105Unhealthy
Mar84Unhealthy
Apr66Unhealthy
May60Unhealthy
Jun71Unhealthy
Jul46Poor
Aug33Moderate
Sep41Poor
Oct66Unhealthy
Nov76Unhealthy
Dec96Unhealthy
Location & terrain

Where is Joal?

Joal sits at 14.2°N, 16.8°W, 8 m above sea level, in Senegal. The nearest listed city is Mbour, 30 km away.

NguékhokhFatickPoukham UnGandiayeKhombole

Topography around Joal

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

Within 3 km, the terrain around Joal has only modest variations in elevation — a maximum elevation change of 14 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 35 m; within 80 km, only modest variations in elevation — a maximum elevation change of 144 m.

The land around Joal is covered by water (46%) within 3 km, water (54%) within 16 km, and water (39%) and cropland (33%) within 80 km.

3 km
14 m
16 km
35 m
80 km
144 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Mbour 30 km · Thiadiaye 32 km · Sali 35 km · Nguékhokh 41 km · Fatick 51 km · Poukham Un 51 km · Gandiaye 63 km · Khombole 68 km

Senegal travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / D / E / K
230 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$1,955
2025
Happiness
4.8 / 10
World Happiness, 2025
Safe drinking water
27%
of population, 2024
Homicide rate
0.3
per 100k, 2015
Road deaths
23.5
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 442
Religion
Muslim 97%Christian 3%

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 Joal (14.1731°, -16.8493°, elevation 8 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).