Niamey/Hamani Intl climate by month
Averages and records for each calendar month at Niamey/Hamani Intl, Niger, from 1940 to 2025. The warmest month is April, averaging 41.3°C; the coolest is August at 32.4°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 33.0°C | 16.1°C | 41.6°C19 January 1941 | 7.6°C2 January 1941 | 71 / 86 |
| February | 35.8°C | 18.4°C | 46.5°C19 February 2005 | 10.5°C3 February 1952 | 59 / 86 |
| March | 39.3°C | 22.6°C | 46.0°C31 March 1941 | 13.6°C4 March 1961 | 71 / 86 |
| April | 41.3°C | 26.5°C | 49.8°C6 April 1988 | 15.2°C3 April 1976 | 62 / 85 |
| May | 40.4°C | 27.7°C | 48.6°C12 May 2022 | 18.0°C28 May 1948 | 65 / 86 |
| June | 37.5°C | 25.5°C | 47.8°C16 June 2017 | 17.8°C26 June 1975 | 58 / 86 |
| July | 34.3°C | 23.8°C | 47.5°C25 July 1940 | 13.0°C11 July 1995 | 62 / 86 |
| August | 32.4°C | 22.9°C | 43.3°C23 August 1983 | 17.0°C28 August 1952 | 61 / 85 |
| September | 34.3°C | 23.4°C | 41.8°C22 September 2013 | 17.7°C28 September 1996 | 57 / 85 |
| October | 38.0°C | 23.9°C | 49.0°C5 October 2016 | 16.0°C30 October 1989 | 63 / 85 |
| November | 36.9°C | 19.5°C | 42.8°C25 November 1942 | 13.0°C30 November 2003 | 61 / 85 |
| December | 33.7°C | 16.5°C | 40.2°C1 December 1942 | 8.7°C31 December 1953 | 72 / 85 |
Years shows the number behind the average high, then the number holding a record for that month. They differ because a year contributes an average only when the month has at least 25 days of readings, while a single reading is enough to set a record. The average low is withheld on the same 25-day rule and is counted separately again; it is shown as a dash where the archive cannot support it. Across the twelve months here the averages rest on 57 to 72 years each.
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Every figure on this page is computed from NOAA GHCN-Daily observations stored per station, per year, per month. Nothing is modelled, interpolated or estimated, and a month the archive never covered is left out rather than filled in. A station appears here only once all twelve months carry an average from at least 10 years. See how this is built.