Diourou weather in December

In December, Diourou sees average daytime highs of 33°C and overnight lows near 19°C, with 0 mm of rain across 0 wet days and about 11.2 hours of daylight. It is the 10th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 31°C by the end. The sky is clear or mostly clear about 58% 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 Diourou's 4th-clearest and 4th-windiest month. For the whole year in context, see Diourou's year-round climate.

Daytime high
33°
10th warmest
Overnight low
19°
2nd coldest
Rainfall
0 mm
0 wet days
Daylight
11 h 12 min
6:44 AM – 5:55 PM
Cloud cover
36%
4th clearest
Wind
11 km/h
4th windiest
Solar energy
5.48 kWh/m²
Travel score
4.8
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 31°C by the end.

A typical December day in Diourou 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 29°C and 36°C. Set against its neighbours, December runs about 3°C cooler than November and about 1°C warmer than January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13420
23420
33420
43420
53320
63319
73319
83319
93319
103319
113319
123319
133319
143319
153319
163219
173219
183218
193218
203218
213218
223218
233218
243218
253218
263218
273218
283218
293118
303118
313118

How December really feels in Diourou

Once humidity and wind are folded in, December averages 23 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
23
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.

Diourou weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 18°10.111.35.5
Feb35° / 21°00.111.53.6
Mar38° / 24°10.211.91.5
Apr40° / 27°51.512.30.1
May40° / 28°14412.60.3
Jun37° / 27°327.412.81.5
Jul33° / 25°11716.212.72.8
Aug31° / 24°18019.312.53.3
Sep33° / 24°10113.312.13.4
Oct36° / 24°194.311.72.4
Nov35° / 21°10.211.42.9
Dec33° / 19°0011.24.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 58% 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 29%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17327
27327
37327
47228
57228
67129
77030
87129
97030
107030
116931
126931
136931
146931
156832
166931
177030
187030
197129
207129
217228
227228
237327
247327
257426
267426
277426
287327
297327
307327
317228

Chance of precipitation in December

Any precipitation

Diourou gets around 0 mm of rain over 0 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 0% and peaks near 0% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 11 km/h in December.

Across December, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 6:36 AM to 6:50 AM, and sunset from 5:51 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:365:51
211.26:365:51
311.26:375:51
411.26:375:51
511.26:385:52
611.26:385:52
711.26:395:52
811.26:395:52
911.26:405:53
1011.26:405:53
1111.26:415:53
1211.26:425:54
1311.26:425:54
1411.26:435:55
1511.26:435:55
1611.26:445:55
1711.26:445:56
1811.26:455:56
1911.26:455:57
2011.26:465:57
2111.26:465:58
2211.26:475:58
2311.26:475:59
2411.26:475:59
2511.26:486:00
2611.26:486:00
2711.26:496:01
2811.26:496:01
2911.26:506:02
3011.26:506:02
3111.26:506:03

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.48 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.48 kWh/m² to a high of 6.95 kWh/m² in April across the year — December's 5.48 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in December

Hazard calendar for Diourou

In seasonPeak

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

Diourou sees seasonal dust haze (February–August), heaviest in April.

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

Is December a good time to visit Diourou?

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

4.8
Sightseeing
2nd-best month of the year
8.1
Beach & pool
2nd-best month of the year

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

What to pack for Diourou in December

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

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

light clothessun protection

UV index in Diourou in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Diourou peaks around August 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 18UV 13Jan 10UV 8
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr10Extreme
May11Extreme
Jun11Extreme
Jul11Extreme
Aug14Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Diourou 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 Diourou is worst in February — around 66 µg/m³ PM2.5 (unhealthy), about 4.5× the cleanest month (August, 15 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorFeb 2166 µg/m³Aug 1815 µg/m³
PM2.5 (µg/m³)Level
Jan56Unhealthy
Feb66Unhealthy
Mar66Unhealthy
Apr54Poor
May40Poor
Jun35Moderate
Jul21Moderate
Aug15Moderate
Sep19Moderate
Oct29Moderate
Nov32Moderate
Dec47Poor
Location & terrain

Where is Diourou?

Diourou sits at 13.7°N, 5.8°W, 286 m above sea level, in Mali. The nearest listed city is Markala, 26 km away.

Topography around Diourou

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

Within 3 km, the terrain around Diourou has only modest variations in elevation — a maximum elevation change of 11 m around an average of 278 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, only modest variations in elevation — a maximum elevation change of 90 m.

The land around Diourou is covered by cropland (38%) and grassland (29%) within 3 km, cropland (55%) and grassland (34%) within 16 km, and grassland (49%) and cropland (29%) within 80 km.

3 km
11 m
16 km
16 m
80 km
90 m
shrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Markala 26 km · Dougabougou 35 km · Siribala Coro 49 km · Pèlèngana 51 km · Ségou 54 km · Ké-Macina 60 km · Moninnpébougou 62 km · Niono 65 km

Mali travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 34% of US
price level, 2025
GDP per capita
$1,193
2025
Happiness
4.6 / 10
World Happiness, 2025
Road deaths
22.7
per 100k/yr, 2019
Income group
Low
World Bank
English
Very low
EF EPI 408
Religion
Muslim 94%Christian 3%none 3%animist 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 Diourou (13.6872°, -5.832°, elevation 286 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).