Niamey weather in August

August in Niamey: sweltering, rainy, with clean air — a gamble, with 38°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Niamey🇳🇪 Niger · Sahel & Cabo Verde · City63
  1. 86Jan
  2. 73Feb
  3. 42Mar
  4. 31Apr
  5. 35May
  6. 49Jun
  7. 64Jul
  8. 63Aug
  9. 66Sep
  10. 53Oct
  11. 60Nov
  12. 84Dec

#6 of 12 months in Niamey · #1043 of 1413 destinations to visit in August · comfort 63/100 (tier C)

Days
33°C
Nights
24°C
Wet days
16
Sun
10 h
Humidity
75%
Daylight
13 h
Niamey, Niger
Photo: Roland Huziaker · CC BY-SA 2.0

Traveller notes on Niamey in August

Other months in Niamey

Detailed month-specific weather trip reports for Niamey are essentially absent from the forum, with what discussion exists focused mainly on safety and current travel conditions rather than granular climate detail. Given the limited destination-specific coverage, this note is grounded in the well-established regional pattern for this part of the Sahel: July sits within Niger's rainy season, bringing hot, increasingly humid conditions with real afternoon rain on top of persistent heat, a genuine change from the drier, dustier stretch that dominates most of the rest of the year. Posters generally emphasize checking current safety guidance as the more pressing concern for a Niamey visit than the specific month chosen.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters who've spent time in Niamey in January describe locals as almost invariably friendly and hospitable, with one detailed trip report from a week-long January stay covering local restaurants and sights around the city. Posters don't detail exact January temperatures, but Niger's dry season runs roughly November through May, placing January well within it - real daytime heat remains a given even in the cooler months here, with the Sahel's dry, dust-influenced air a more likely daily feature than any rain. Posters generally recommend lightweight, sun-protective clothing for a January visit, with the main practical concerns raised in forum discussions centering more on safety and logistics than on weather specifics.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Niamey's card on the map.

Niamey climate normals — August

Daytime high33°C / 91°F🔥 sweltering
Nighttime low24°C / 75°F
Feels like (high)38°C / 100°F
Rainfall133 mm / 5.2 in🌧 rainy
Rainy days16 days
Humidity75%💦 very humid
Dew point23°C / 73°F
Sunshine10 h/day
Daylight12.6 h
Wind18 km/h / 11 mph
Air quality (US AQI)38🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Niamey in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyIndependence Day, school holidays in 4 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Niamey's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherNiamey's weather peaks December–February, best around January.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Niamey in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Niger river flooding

    15 Jul – 30 Sep · usuallyFlood seasonClosures

    Storm runoff and then the river rise put whole neighbourhoods on the right bank under water most years. Unsurfaced roads turn to slop and the routes out towards the border become a gamble. Source ↗

  • Holiday

    Independence Day

    3 AugNational holidayClosures

    3 August is both independence day and the national tree-planting day, so the holiday comes with a planting campaign. Offices and banks close; it lands in the wettest weeks of the year. Source ↗

What's on around the world in August →

Where is Niamey?

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Niamey in August — FAQ

Is August a good time to visit Niamey?
August in Niamey: sweltering, rainy, with clean air — a gamble, with 38°C afternoons. It ranks #6 of 12 months for Niamey on SeasonMap's comfort score (63/100).
What is the weather like in Niamey in August?
In August, Niamey averages a daily high of 33°C and a low of 24°C, with about 132.5 mm of rain over roughly 15.7 rainy days.
What is the air quality in Niamey in August?
Niamey has a mean US Air Quality Index of about 38 in August.