Port Moresby Intl climate by month
Averages and records for each calendar month at Port Moresby Intl, Papua New Guinea, from 1970 to 2003. The warmest month is November, averaging 32.4°C; the coolest is July at 29.9°C.
| Month | Avg high | Avg low | Record high | Record low | Years |
|---|---|---|---|---|---|
| January | 32.0°C | 23.5°C | 37.2°C12 January 1983 | 18.8°C13 January 1992 | 34 / 34 |
| February | 31.6°C | 23.4°C | 35.5°C14 February 1988 | 20.0°C22 February 1997 | 34 / 34 |
| March | 31.2°C | 23.2°C | 35.1°C2 March 1996 | 18.4°C1 March 1991 | 33 / 33 |
| April | 31.3°C | 23.3°C | 34.0°C7 April 1978 | 19.3°C22 April 1976 | 34 / 34 |
| May | 30.9°C | 23.2°C | 35.2°C11 May 1981 | 17.5°C31 May 1997 | 34 / 34 |
| June | 30.3°C | 22.8°C | 34.5°C27 June 1987 | 17.0°C20 June 1982 | 34 / 34 |
| July | 29.9°C | 22.3°C | 34.2°C23 July 1981 | 16.7°C31 July 1972 | 34 / 34 |
| August | 30.2°C | 22.2°C | 33.7°C25 August 1998 | 14.6°C24 August 1990 | 33 / 33 |
| September | 31.0°C | 22.8°C | 34.0°C8 September 1974 | 14.8°C3 September 1972 | 33 / 33 |
| October | 31.8°C | 23.2°C | 36.6°C28 October 1980 | 17.5°C1 October 1982 | 33 / 33 |
| November | 32.4°C | 23.6°C | 35.7°C29 November 1983 | 18.5°C1 November 1974 | 33 / 33 |
| December | 32.4°C | 23.7°C | 38.4°C25 December 2002 | 19.4°C1 December 1978 | 33 / 33 |
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 33 to 34 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.