Gandiaye weather in December

In December, Gandiaye sees average daytime highs of 33°C and overnight lows near 19°C, with 2 mm of rain across 0.4 wet days and about 11.2 hours of daylight. It is the 9th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 44% 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 Gandiaye's 8th-clearest and 7th-windiest month. For the whole year in context, see Gandiaye's year-round climate.

Daytime high
33°
9th warmest
Overnight low
19°
2nd coldest
Rainfall
2 mm
0.4 wet days
Daylight
11 h 12 min
7:26 AM – 6:36 PM
Cloud cover
47%
8th clearest
Wind
11 km/h
7th windiest
Solar energy
5.2 kWh/m²
Travel score
4.3
out of 10

Gandiaye is Town, commune and kingdom in the Department of Kaolack, central Senegal.

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 33°C through the month.

A typical December day in Gandiaye reaches about 33°C in the afternoon and slips back to 19°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13420
23420
33420
43419
53419
63419
73319
83319
93319
103319
113319
123319
133319
143319
153319
163319
173319
183319
193319
203319
213319
223318
233318
243318
253318
263318
273318
283318
293318
303318
313318

How December really feels in Gandiaye

Once humidity and wind are folded in, December averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Gandiaye weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 18°30.211.34.7
Feb35° / 19°10.111.53.5
Mar37° / 20°00.111.92.2
Apr38° / 21°0012.31.6
May37° / 22°00.112.72.0
Jun35° / 24°91.712.82.9
Jul33° / 25°8710.512.83.3
Aug32° / 25°20619.712.53.1
Sep32° / 25°15716.912.13.2
Oct34° / 24°406.311.73.2
Nov35° / 21°10.311.33.1
Dec33° / 19°20.411.24.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25743
35743
45743
55743
65743
75743
85743
95743
105743
115644
125644
135743
145743
155743
165743
175842
185842
195842
205941
215941
225941
236040
246040
256040
266040
275941
285941
295941
305941
316040

Chance of precipitation in December

Any precipitation

Gandiaye gets around 2 mm of rain over 0.4 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 (%)
12
22
32
42
52
62
72
82
92
102
112
121
131
141
151
161
171
181
190
200
210
220
230
240
250
260
270
280
290
300
310

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
156201761
257201661
359191561
461181551
562181451
664171351
766161251
868151151
970151041
1071141041
117214941
127413940
137513840
147513840
157513840
167613830
177713730
187713730
197813630
207913620
218013520
228013520
238113420
248113420
258113420
268312320
278312320
288611210
298611210
308710210
31889210

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912light breeze
3012light breeze
3112light 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 7:18 AM to 7:33 AM, and sunset from 6:31 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:186:31
211.27:196:32
311.27:196:32
411.27:206:32
511.27:206:32
611.27:216:33
711.27:226:33
811.27:226:33
911.27:236:34
1011.27:236:34
1111.27:246:34
1211.27:246:35
1311.27:256:35
1411.27:256:35
1511.27:266:36
1611.27:266:36
1711.27:276:37
1811.27:276:37
1911.27:286:37
2011.27:286:38
2111.27:296:38
2211.27:296:39
2311.27:306:39
2411.27:306:40
2511.27:316:40
2611.27:316:41
2711.27:326:41
2811.27:326:42
2911.27:326:42
3011.27:336:43
3111.27:336:43

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4.84 kWh/m² to a high of 7.28 kWh/m² in April across the year — December's 5.2 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in December

Hazard calendar for Gandiaye

In seasonPeak

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

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

Gandiaye's monsoon runs August–September, when most of the year's rain falls.

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

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

Is December a good time to visit Gandiaye?

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

4.3
Sightseeing
2nd-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for Gandiaye in December

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

In December, Gandiaye sees daytime highs around 33°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Gandiaye 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 at the nearest coast (about 66 km away) 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 Gandiaye 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 Gandiaye peaks around March 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 19UV 13Dec 17UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Gandiaye 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 Gandiaye 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 Gandiaye?

Gandiaye sits at 14.2°N, 16.3°W, 21 m above sea level, in Senegal. The nearest listed city is Fatick, 17 km away.

TiéboDiourbel

Topography around Gandiaye

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

Within 3 km, the terrain around Gandiaye has only modest variations in elevation — a maximum elevation change of 16 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, only modest variations in elevation — a maximum elevation change of 80 m.

The land around Gandiaye is covered by cropland (58%) and grassland (31%) within 3 km, cropland (45%) and grassland (24%) within 16 km, and cropland (63%) within 80 km.

3 km
16 m
16 km
37 m
80 km
80 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
December weather nearby: Fatick 17 km · Poukham Un 20 km · Kaolack 24 km · Kahone 27 km · Gossas Village 32 km · Guinguinéo 35 km · Tiébo 44 km · Diourbel 45 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 Gandiaye (14.2436°, -16.2723°, elevation 21 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).