Nioro weather in August

In August, Nioro sees average daytime highs of 33°C and overnight lows near 25°C, with 145 mm of rain across 14.5 wet days and about 12.5 hours of daylight. It is the 10th-warmest and 1st-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 20% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Nioro's 12th-clearest and 10th-windiest month. For the whole year in context, see Nioro's year-round climate.

Daytime high
33°
10th warmest
Overnight low
25°
8th coldest
Rainfall
145 mm
14.5 wet days
Daylight
12 h 30 min
6:27 AM – 6:58 PM
Cloud cover
67%
12th clearest
Wind
11 km/h
10th windiest
Solar energy
5.64 kWh/m²
Travel score
3.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical August day in Nioro reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°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, August runs about 3°C cooler than July and about 2°C cooler than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173325
183225
193225
203224
213224
223224
233224
243224
253224
263224
273324
283324
293324
303324
313324

How August really feels in Nioro

Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nioro weather by month

How August compares with the rest of the year at a glance. August is the 10th-warmest and 1st-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 August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34258
44159
54159
64159
73961
83862
93862
103763
113763
123763
133763
143763
153763
163862
173862
183862
193961
203961
213961
223961
233961
243961
254060
263961
274060
283961
294159
304159
314060

Chance of precipitation in August

Any precipitation

Nioro gets around 145 mm of rain over 14.5 wet days in August, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 50% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
140
241
341
442
543
643
744
845
946
1046
1147
1248
1348
1449
1549
1649
1750
1850
1949
2049
2149
2249
2349
2449
2549
2649
2748
2848
2948
3047
3147

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
19865
29865
38866
47876
56877
66877
75878
84888
93889
103889
1128810
1228810
1318811
1418811
1518712
1618712
1708812
1808812
1908812
2008812
2108713
2208713
2308713
2408713
2508713
2618613
2718613
2818613
2918514
3018514
3118514

Wind in August

Winds average 11 km/h in August.

Across August, daily wind ranges from about 10 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
112calm
212calm
312calm
412calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 42 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over August. Sunrise moves from 6:24 AM to 6:29 AM, and sunset from 7:05 PM to 6:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:247:05
212.76:247:05
312.76:247:04
412.76:257:04
512.66:257:03
612.66:257:03
712.66:257:03
812.66:267:02
912.66:267:02
1012.66:267:01
1112.66:267:01
1212.66:267:00
1312.66:277:00
1412.56:276:59
1512.56:276:58
1612.56:276:58
1712.56:276:57
1812.56:276:57
1912.56:286:56
2012.56:286:55
2112.46:286:55
2212.46:286:54
2312.46:286:53
2412.46:286:53
2512.46:286:52
2612.46:286:51
2712.46:296:51
2812.46:296:50
2912.36:296:49
3012.36:296:49
3112.36:296:48

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.64 kWh/m².

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 — August's 5.64 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in August

Hazard calendar for Nioro

In seasonPeak

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

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

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

Is August a good time to visit Nioro?

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

3.2
Sightseeing
4th-best month of the year
5.5
Beach & pool
6th-best month of the year

August is a weaker month for outdoor sightseeing in Nioro.

What to pack for Nioro in August

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

In August, Nioro sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Nioro in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). 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 August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August 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
August 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).