Pontianak/Supadio Arpt climate by month
Averages and records for each calendar month at Pontianak/Supadio Arpt, Indonesia, from 1979 to 2025. The warmest month is May, averaging 33.1°C; the coolest is December at 31.7°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 32.0°C | 22.8°C | 35.0°C5 January 2019 | 19.0°C15 January 1981 | 17 / 43 |
| February | 32.3°C | 22.2°C | 38.6°C13 February 1984 | 19.0°C9 February 1980 | 14 / 45 |
| March | 32.7°C | 23.0°C | 36.4°C2 March 2013 | 18.8°C14 March 1989 | 20 / 45 |
| April | 32.9°C | 23.2°C | 35.6°C9 April 2019 | 20.6°C26 April 1989 | 15 / 45 |
| May | 33.1°C | 23.2°C | 36.0°C2 May 1998 | 20.0°C17 May 1979 | 18 / 43 |
| June | 32.9°C | 22.9°C | 37.0°C18 June 1981 | 20.0°C27 June 1989 | 18 / 44 |
| July | 32.6°C | 22.7°C | 36.0°C21 July 2009 | 18.0°C27 July 1986 | 17 / 44 |
| August | 32.7°C | 22.9°C | 35.8°C27 August 2016 | 19.2°C15 August 2002 | 12 / 45 |
| September | 32.6°C | 23.2°C | 38.0°C8 September 1979 | 19.0°C26 September 1980 | 14 / 43 |
| October | 32.3°C | 22.5°C | 35.8°C4 October 2023 | 19.4°C26 October 1986 | 19 / 44 |
| November | 31.9°C | 23.0°C | 35.4°C14 November 2023 | 19.7°C24 November 1993 | 16 / 44 |
| December | 31.7°C | 23.2°C | 34.8°C7 December 2000 | 20.0°C9 December 1981 | 19 / 44 |
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 12 to 20 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.