Nioro weather in December

In December, Nioro sees average daytime highs of 32°C and overnight lows near 17°C, with 0 mm of rain across 0.1 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 48% 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 Nioro's 8th-clearest and 5th-windiest month. For the whole year in context, see Nioro's year-round climate.

Daytime high
32°
11th warmest
Overnight low
17°
2nd coldest
Rainfall
0 mm
0.1 wet days
Daylight
11 h 06 min
7:01 AM – 6:08 PM
Cloud cover
44%
8th clearest
Wind
12 km/h
5th windiest
Solar energy
5.22 kWh/m²
Travel score
5.0
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical December day in Nioro reaches about 32°C in the afternoon and slips back to 17°C overnight — a 15°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 36°C. Set against its neighbours, December runs about 4°C cooler than November and about 1°C warmer than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
13419
23419
33319
43318
53318
63318
73318
83318
93318
103218
113218
123218
133218
143218
153217
163217
173217
183217
193217
203217
213217
223217
233217
243117
253117
263117
273117
283117
293117
303117
313117

How December really feels in Nioro

Once humidity and wind are folded in, December averages 15 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
15
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.

Nioro weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°10.211.25.8
Feb34° / 19°0011.53.9
Mar38° / 22°00.111.91.6
Apr41° / 26°10.312.30.0
May42° / 28°51.212.70.0
Jun40° / 29°164.112.90.2
Jul36° / 26°6810.312.82.2
Aug33° / 25°14514.512.53.2
Sep34° / 25°7610.412.12.8
Oct38° / 24°173.911.71.5
Nov36° / 21°10.211.32.6
Dec32° / 17°00.111.15.0

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% 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 38%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36040
46040
55941
65941
75941
85941
96040
106040
116040
126139
136139
146139
156139
166238
176238
186238
196337
206337
216436
226436
236535
246535
256535
266535
276535
286535
296436
306535
316436

Chance of precipitation in December

Any precipitation

Nioro gets around 0 mm of rain over 0.1 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 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 (%)Humid (%)
19910
29910
39910
49910
59910
69910
79910
89910
99910
109811
119811
129811
139811
149811
159811
169811
179811
189811
199811
209811
219901
229901
239901
2410000
2510000
2610000
2710000
2810000
2910000
309910
319910

Wind in December

Winds average 12 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
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
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 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 6:53 AM to 7:08 AM, and sunset from 6:03 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:536:03
211.26:546:03
311.16:546:03
411.16:556:04
511.16:566:04
611.16:566:04
711.16:576:04
811.16:576:05
911.16:586:05
1011.16:586:05
1111.16:596:06
1211.16:596:06
1311.17:006:06
1411.17:006:07
1511.17:016:07
1611.17:016:08
1711.17:026:08
1811.17:036:08
1911.17:036:09
2011.17:046:09
2111.17:046:10
2211.17:046:10
2311.17:056:11
2411.17:056:11
2511.17:066:12
2611.17:066:12
2711.17:076:13
2811.17:076:13
2911.17:086:14
3011.17:086:14
3111.17:086:15

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 5.22 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 5.22 kWh/m² to a high of 7.31 kWh/m² in April across the year — December's 5.22 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
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 Nioro

In seasonPeak

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

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

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

Is December a good time to visit Nioro?

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

5.0
Sightseeing
2nd-best month of the year
8.0
Beach & pool
2nd-best month of the year

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

What to pack for Nioro in December

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

In December, Nioro sees daytime highs around 32°C and nights near 17°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Nioro 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 Nioro peaks around March 21 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 21UV 13Dec 18UV 7
UV index (midday)Level
Jan8Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May10Extreme
Jun10Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov9Very high
Dec7Very high

Air quality in Nioro 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 Nioro is worst in February — around 77 µg/m³ PM2.5 (unhealthy), about 4.5× the cleanest month (August, 17 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 1476 µg/m³Aug 2118 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb77Unhealthy
Mar70Unhealthy
Apr58Unhealthy
May53Poor
Jun53Poor
Jul28Moderate
Aug17Moderate
Sep20Moderate
Oct39Poor
Nov42Poor
Dec65Unhealthy
Location & terrain

Where is Nioro?

Nioro sits at 15.2°N, 9.6°W, 215 m above sea level, in Mali. The nearest listed city is Diéma, 88 km away.

ṬinṭâneMahinaAyoun El AtrousEl ’AyoûnTembedghaBafoulabéKayes

Topography around Nioro

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

Within 3 km, the terrain around Nioro has only modest variations in elevation — a maximum elevation change of 55 m around an average of 237 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 134 m; within 80 km, significant variations in elevation — a maximum elevation change of 281 m.

The land around Nioro is covered by grassland (53%) and bare terrain (20%) within 3 km, grassland (79%) within 16 km, and grassland (84%) within 80 km.

3 km
55 m
16 km
134 m
80 km
281 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
December weather nearby: Diéma 88 km · Ṭinṭâne 144 km · Mahina 157 km · Ayoun El Atrous 159 km · El ’Ayoûn 174 km · Tembedgha 189 km · Bafoulabé 207 km · Kayes 217 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 Nioro (15.2307°, -9.5936°, elevation 215 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).