Diourbel weather in December

In December, Diourbel sees average daytime highs of 33°C and overnight lows near 18°C, with 2 mm of rain across 0.3 wet days and about 11.1 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 06 min by month's end. Set against the rest of the year, December is Diourbel's 8th-clearest and 6th-windiest month. For the whole year in context, see Diourbel's year-round climate.

Daytime high
33°
9th warmest
Overnight low
18°
2nd coldest
Rainfall
2 mm
0.3 wet days
Daylight
11 h 06 min
7:27 AM – 6:35 PM
Cloud cover
48%
8th clearest
Wind
12 km/h
6th windiest
Solar energy
5.17 kWh/m²
Travel score
4.3
out of 10

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 Diourbel reaches about 33°C in the afternoon and slips back to 18°C overnight — a 15°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 about 1°C warmer than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13419
23419
33419
43419
53419
63419
73319
83319
93319
103319
113318
123318
133318
143318
153318
163318
173318
183318
193318
203318
213318
223318
233318
243318
253318
263318
273318
283318
293318
303218
313218

How December really feels in Diourbel

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.

Diourbel 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
Jan32° / 17°30.311.24.9
Feb34° / 19°10.211.53.8
Mar36° / 19°00.111.92.6
Apr37° / 20°0012.32.1
May37° / 21°0012.72.1
Jun36° / 23°61.312.82.7
Jul34° / 24°638.212.83.2
Aug32° / 25°15015.612.53.2
Sep32° / 24°12414.112.13.4
Oct35° / 23°294.211.73.0
Nov35° / 21°10.111.33.0
Dec33° / 18°20.311.14.3

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 12% of December, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35842
45842
55743
65743
75644
85644
95644
105644
115644
125644
135644
145644
155644
165743
175743
185743
195644
205743
215842
225842
235842
245842
255842
265842
275842
285842
295842
305842
315842

Chance of precipitation in December

Any precipitation

Diourbel 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
102
112
121
131
141
151
161
171
181
191
200
210
220
230
240
250
260
270
280
290
301
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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
16517144
26716134
36716134
46915124
57114123
67313113
77512103
87512103
9771193
10781183
11791083
12801073
1381973
1481973
1581973
1683962
1783962
1883962
1983962
20831052
2185951
2286941
2386941
2486941
2587931
2687931
2788831
2888831
2989821
3090721
3191621

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3113light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 12 min at the start of December to 11 h 06 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 7:19 AM to 7:34 AM, and sunset from 6:31 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.27:196:31
211.27:196:31
311.27:206:31
411.27:216:31
511.27:216:32
611.27:226:32
711.27:226:32
811.27:236:32
911.27:236:33
1011.27:246:33
1111.17:246:33
1211.17:256:34
1311.17:256:34
1411.17:266:34
1511.17:266:35
1611.17:276:35
1711.17:286:36
1811.17:286:36
1911.17:296:37
2011.17:296:37
2111.17:296:37
2211.17:306:38
2311.17:306:38
2411.17:316:39
2511.17:316:39
2611.17:326:40
2711.17:326:40
2811.17:336:41
2911.17:336:41
3011.17:336:42
3111.17:346:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.17 kWh/m².

For context, solar energy here swings from a low near 5.16 kWh/m² to a high of 7.36 kWh/m² in April across the year — December's 5.17 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
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 Diourbel

In seasonPeak

In December, Diourbel sits inside its dust season. The full year is below, with each hazard's peak months called out.

Diourbel sees dust haze year-round, heaviest in June.

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

Is December a good time to visit Diourbel?

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 Diourbel for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Diourbel in December

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

In December, Diourbel sees daytime highs around 33°C and nights near 18°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Diourbel 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 Diourbel peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (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 17UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Diourbel 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 Diourbel is worst in February — around 104 µg/m³ PM2.5 (unhealthy), about 2.8× the cleanest month (August, 37 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyFeb 8104 µg/m³Aug 1838 µg/m³
PM2.5 (µg/m³)Level
Jan103Unhealthy
Feb104Unhealthy
Mar80Unhealthy
Apr60Unhealthy
May57Unhealthy
Jun74Unhealthy
Jul49Poor
Aug37Poor
Sep45Poor
Oct66Unhealthy
Nov69Unhealthy
Dec96Unhealthy
Location & terrain

Where is Diourbel?

Diourbel sits at 14.6°N, 16.2°W, 8 m above sea level, in Senegal. The nearest listed city is Tiébo, 2.0 km away.

Keur MédouneFatickMbakéGandiaye

Topography around Diourbel

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

Within 3 km, the terrain around Diourbel has only modest variations in elevation — a maximum elevation change of 30 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 43 m; within 80 km, only modest variations in elevation — a maximum elevation change of 131 m.

The land around Diourbel is covered by artificial surfaces (40%), cropland (35%) and grassland (20%) within 3 km, cropland (75%) and grassland (20%) within 16 km, and cropland (63%) and grassland (28%) within 80 km.

3 km
30 m
16 km
43 m
80 km
131 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Tiébo 2.0 km · Gossas Village 23 km · Bambey 24 km · Poukham Un 37 km · Keur Médoune 39 km · Fatick 39 km · Mbaké 39 km · Gandiaye 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 Diourbel (14.6479°, -16.2436°, 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. 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).