Niamey weather in August

In August, Niamey sees average daytime highs of 32°C and overnight lows near 25°C, with 122 mm of rain across 15.2 wet days and about 12.4 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Niamey's 12th-clearest and 9th-windiest month. For the whole year in context, see Niamey's year-round climate.

Daytime high
32°
11th warmest
Overnight low
25°
6th coldest
Rainfall
122 mm
15.2 wet days
Daylight
12 h 30 min
6:42 AM – 7:09 PM
Cloud cover
65%
12th clearest
Wind
11 km/h
9th windiest
Solar energy
5.73 kWh/m²
Travel score
3.4
out of 10

Niamey is capital of Niger.

Founded
1901

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Niamey reaches about 32°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 35°C. Set against its neighbours, August runs about 2°C cooler than July and about 2°C cooler than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How August really feels in Niamey

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.

Niamey weather by month

How August compares with the rest of the year at a glance. August is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°0011.35.9
Feb34° / 20°0011.63.8
Mar38° / 24°10.411.91.3
Apr40° / 27°20.612.30.0
May40° / 29°82.312.60.2
Jun37° / 28°215.212.81.6
Jul34° / 26°6110.812.72.9
Aug32° / 25°12215.212.43.4
Sep34° / 25°456.612.13.1
Oct37° / 25°91.911.71.7
Nov36° / 20°0011.42.7
Dec32° / 18°0011.25.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34654
44654
54555
64357
74357
84357
94258
104258
114159
124159
134159
144060
154060
164060
174159
184060
194060
204060
213961
223961
234060
244060
254159
264258
274258
284456
294456
304555
314753

Chance of precipitation in August

Any precipitation

Niamey gets around 122 mm of rain over 15.2 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 48% and peaks near 49% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
147
248
348
448
549
649
749
849
949
1049
1149
1249
1349
1449
1549
1649
1749
1849
1949
2049
2149
2249
2349
2448
2548
2647
2747
2846
2945
3044
3143

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 97% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
12971
22971
32971
42971
52962
61972
71972
81972
91972
101972
111972
121972
131972
141972
151972
161972
171972
181972
191972
201963
211963
221963
230973
240973
250973
260973
270964
280964
290964
300964
310964

Wind in August

Winds average 11 km/h in August.

Across August, 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712calm
812calm
912calm
1012calm
1112calm
1212calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 36 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 18 minutes over August. Sunrise moves from 6:39 AM to 6:43 AM, and sunset from 7:16 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:397:16
212.66:407:15
312.66:407:15
412.66:407:15
512.66:407:14
612.66:407:14
712.56:417:14
812.56:417:13
912.56:417:13
1012.56:417:12
1112.56:417:12
1212.56:427:11
1312.56:427:11
1412.56:427:10
1512.56:427:10
1612.56:427:09
1712.46:427:09
1812.46:427:08
1912.46:427:08
2012.46:437:07
2112.46:437:06
2212.46:437:06
2312.46:437:05
2412.46:437:05
2512.36:437:04
2612.36:437:03
2712.36:437:03
2812.36:437:02
2912.36:437:01
3012.36:437:01
3112.36:437:00

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.73 kWh/m².

For context, solar energy here swings from a low near 5.65 kWh/m² to a high of 7.04 kWh/m² in April across the year — August's 5.73 kWh/m² sits near the bottom.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in August

Hazard calendar for Niamey

In seasonPeak

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

Niamey sees seasonal dust haze (January–July), heaviest in March.

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

Is August a good time to visit Niamey?

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

3.4
Sightseeing
4th-best month of the year
5.6
Beach & pool
7th-best month of the year

August is a weaker month for outdoor sightseeing in Niamey.

What to pack for Niamey in August

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

In August, Niamey sees daytime highs around 32°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 Niamey 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 Niamey peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 19UV 13Dec 14UV 8
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr10Extreme
May10Extreme
Jun10Extreme
Jul10Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Niamey 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 Niamey is worst in February — around 97 µg/m³ PM2.5 (unhealthy), about 5.0× the cleanest month (August, 20 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyFeb 2197 µg/m³Aug 1320 µg/m³
PM2.5 (µg/m³)Level
Jan87Unhealthy
Feb97Unhealthy
Mar96Unhealthy
Apr74Unhealthy
May46Poor
Jun34Moderate
Jul22Moderate
Aug20Moderate
Sep26Moderate
Oct48Poor
Nov62Unhealthy
Dec77Unhealthy
Location & terrain

Where is Niamey?

Niamey sits at 13.5°N, 2.1°E, 206 m above sea level, in Niger. The nearest listed city is Youri Kourtéré, 25 km away.

BaléyaraBirnin GaouréTillabériDosso

Topography around Niamey

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

Within 3 km, the terrain around Niamey has only modest variations in elevation — a maximum elevation change of 52 m around an average of 203 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 97 m; within 80 km, only modest variations in elevation — a maximum elevation change of 136 m.

The land around Niamey is covered by artificial surfaces (69%) within 3 km, grassland (42%) and bare terrain (26%) within 16 km, and grassland (64%) and bare terrain (20%) within 80 km.

3 km
52 m
16 km
97 m
80 km
136 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
August weather nearby: Youri Kourtéré 25 km · Kollo 34 km · Say 54 km · Torodi 55 km · Baléyara 96 km · Birnin Gaouré 99 km · Tillabéri 105 km · Dosso 128 km

Niger travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / B / C / D / E / F
220 V · 50 Hz
Prices
≈ 36% of US
price level, 2025
GDP per capita
$775
2025
Happiness
4.9 / 10
World Happiness, 2025
Homicide rate
4.4
per 100k, 2012
Road deaths
25.5
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 96%ethnic religionist 4%Christian 0%agnostics and other 0%

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 Niamey (13.5137°, 2.1098°, elevation 206 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).