Sibolga / Pinangsori climate by month
Averages and records for each calendar month at Sibolga / Pinangsori, Indonesia, from 1960 to 2025. The warmest month is February, averaging 32.6°C; the coolest is November at 31.0°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 32.0°C | 21.6°C | 38.6°C4 January 1992 | 17.0°C31 January 2006 | 24 / 44 |
| February | 32.6°C | 21.5°C | 37.1°C23 February 2020 | 16.0°C10 February 2011 | 22 / 46 |
| March | 32.3°C | 21.9°C | 36.0°C5 March 2013 | 17.4°C1 March 2006 | 24 / 44 |
| April | 32.3°C | 22.4°C | 35.2°C30 April 2005 | 18.0°C2 April 2007 | 24 / 43 |
| May | 32.4°C | 22.3°C | 36.2°C8 May 1998 | 18.0°C20 May 2003 | 25 / 42 |
| June | 32.3°C | 21.8°C | 39.8°C23 June 1989 | 17.0°C17 June 1988 | 26 / 42 |
| July | 31.9°C | 21.5°C | 36.9°C6 July 1988 | 17.2°C17 July 1988 | 29 / 43 |
| August | 31.6°C | 21.6°C | 35.1°C14 August 2020 | 17.4°C5 August 2004 | 29 / 44 |
| September | 31.4°C | 21.7°C | 38.0°C6 September 1980 | 17.3°C3 September 1989 | 25 / 43 |
| October | 31.2°C | 21.9°C | 35.0°C1 October 2023 | 19.0°C19 October 1989 | 28 / 43 |
| November | 31.0°C | 22.0°C | 35.2°C19 November 2021 | 17.8°C13 November 1989 | 24 / 43 |
| December | 31.4°C | 21.9°C | 37.0°C13 December 2021 | 18.0°C20 December 1981 | 27 / 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 22 to 29 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.