Niamey weather in August

In August, Niamey has daytime highs averaging 32 °C, nights around 24 °C, with 15 wet days. Figures are 1991–2020 climate normals.

  1. Jan 23°
  2. Feb 26°
  3. Mar 30°
  4. Apr 33°
  5. May 34°
  6. Jun 33°
  7. Jul 30°
  8. Aug 28°
  9. Sep 29°
  10. Oct 31°
  11. Nov 28°
  12. Dec 24°

Daily temperatures through August

21°29°36°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 33.1 °C and lows bottom out at 23.8 °C.

How August develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 August32.5 °C24.4 °C50 %
11–20 August32.1 °C24.1 °C46 %
21–31 August32.0 °C24.0 °C47 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in August. Wettest date over the 30 years: August 26, at 73 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical August Share of the month
Days above 25 °C 31 of 31 100 %
Days above 30 °C 26 of 31 85 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 15 of 31 48 %

Conditions in August

MeasureAverage
Mean temperature 28 °C
Record high (1991–2020) 39 °C
Record low (1991–2020) 21 °C
Relative humidity 74 %
Wind speed 17 km/h
Cloud cover 65 %

August compared with the months around it

Month Avg high Rainfall Cloud
June 38.3 °C 21 mm 39 %
July 34.7 °C 63 mm 53 %
August 32.2 °C 125 mm 65 %
September 34.6 °C 42 mm 48 %
October 37.4 °C 8 mm 37 %

See all twelve months for Niamey

Nearby destinations in August

Destination Avg high Wet days
Niamey 32 °C 15
Sokoto 31 °C 19

QuestionsAugust in Niamey, answered

How warm is Niamey in August?

Daily highs average 32 °C and nights fall to about 24 °C, a spread of 8.1 °C between afternoon and dawn. That makes August the 8th warmest month of the year here.

Does it rain much in Niamey in August?

August averages 125 mm of rain, spread over about 15 of the 31 days — 48 % of the month. Cloud cover averages 65 % of the sky.

How long are the days in August?

Niamey averages 13 hours between sunrise and sunset in August. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.