Banjarmasin / Syamsuddin Noor weather by month
Averages and records for each calendar month at Banjarmasin / Syamsuddin Noor, Indonesia, from 1979 to 2025. The warmest month is September, averaging 33.6°C; the coolest is January at 31.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 31.0°C | 23.3°C | 39.8°C12 January 2000 | 20.8°C11 January 2025 | 16 / 39 |
| February | 31.4°C | 23.6°C | 35.4°C15 February 2024 | 19.0°C28 February 1980 | 13 / 39 |
| March | 31.8°C | 24.1°C | 35.5°C27 March 2006 | 20.0°C14 March 1979 | 18 / 39 |
| April | 32.5°C | 23.8°C | 35.8°C19 April 2019 | 20.0°C24 April 1979 | 17 / 38 |
| May | 32.9°C | 23.9°C | 37.6°C10 May 2005 | 19.4°C12 May 2002 | 24 / 40 |
| June | 32.3°C | 23.4°C | 36.8°C4 June 2012 | 20.0°C11 June 1980 | 21 / 38 |
| July | 32.0°C | 22.6°C | 37.8°C2 July 1990 | 18.0°C23 July 1979 | 19 / 41 |
| August | 33.0°C | 21.9°C | 36.4°C26 August 2015 | 17.0°C3 August 1979 | 21 / 41 |
| September | 33.6°C | 22.3°C | 37.6°C29 September 2023 | 17.2°C20 September 1997 | 17 / 39 |
| October | 33.6°C | 23.1°C | 38.2°C23 October 2019 | 19.0°C15 October 1979 | 20 / 39 |
| November | 32.5°C | 23.6°C | 38.5°C30 November 2002 | 21.0°C7 November 2019 | 13 / 39 |
| December | 31.4°C | 23.6°C | 39.6°C22 December 2008 | 21.0°C21 December 2010 | 17 / 40 |
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 13 to 24 years each.
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Climate at nearby stations
The closest stations with twelve months of archive of their own, nearest first.
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.