Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Port Moresby, National Capital, Papua New Guinea weather records

Record high and low temperatures for Port Moresby, National Capital, Papua New Guinea, by month, by season, and all-time, with the dates they occurred, across 1981–2026 of daily climate history. Its hottest day on record reached 33°C on 2010-09-04; its coldest fell to 21°C on 1982-06-18.

Records by month

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have ever been in each calendar month, so each column shows its record high and its record low. Tap a month for its full averages and typical range.

MonthDaytime highOvernight low
January
32°C2025-01-23
26°C1997-01-28
29°C2024-01-01
25°C1985-01-19
February
32°C2024-02-17
26°C1986-02-28
29°C2025-02-12
25°C1986-02-10
March
32°C2016-03-09
26°C2009-03-23
30°C2016-03-11
24°C1991-03-19
April
32°C2022-04-11
26°C1987-04-16
29°C2022-04-11
25°C1987-04-18
May
33°C2022-05-09
26°C1984-05-20
29°C2022-05-10
24°C1997-05-29
June
32°C2007-06-06
25°C1982-06-20
28°C1990-06-02
21°C1982-06-18
July
32°C2010-07-03
24°C2000-07-10
27°C2022-07-07
22°C2000-07-18
August
32°C2010-08-19
24°C1982-08-16
27°C2010-08-19
22°C2004-08-13
September
33°C2010-09-04
25°C1982-09-04
28°C2010-09-05
22°C1982-09-05
October
33°C2022-10-29
25°C1993-10-26
28°C2022-10-25
23°C1982-10-11
November
33°C2024-11-29
26°C1985-11-13
29°C2021-11-15
23°C1982-11-17
December
33°C2023-12-30
26°C1985-12-23
29°C2023-12-31
25°C2009-12-29

Records by season

The warmest (▲) and coldest (▼) both the daytime high and the overnight low have reached in each meteorological season (Southern Hemisphere, each a three-month span).

SeasonDaytime highOvernight low
Summer (Dec–Feb)
33°C2023-12-30
26°C1986-02-28
29°C2023-12-31
25°C1985-01-19
Autumn (Mar–May)
33°C2022-05-09
26°C1984-05-20
30°C2016-03-11
24°C1997-05-29
Winter (Jun–Aug)
32°C2010-07-03
24°C2000-07-10
28°C1990-06-02
21°C1982-06-18
Spring (Sep–Nov)
33°C2010-09-04
25°C1982-09-04
29°C2021-11-15
22°C1982-09-05

All-time records

The most extreme value Port Moresby has recorded for each metric across its entire history.

High

Highest 33°C 2010-09-04
Lowest 24°C 2000-07-10

Low

Highest 30°C 2016-03-11
Lowest 21°C 1982-06-18

Feels-like

Highest 47°C 2024-11-29
Lowest 24°C 2000-07-10

Humidity

Highest 25.6 g/m³ 2024-04-20
Lowest 14.5 g/m³ 2002-10-06

Wind

Highest 57 km/h 1984-12-27
Lowest 6 km/h 1983-04-16

Precip

Wettest 269 mm 2020-03-25
Driest 50-day dry spell 1993-07-27

For rainfall, the “driest” figure is the longest run of consecutive days without measurable rain, dated to when that dry spell began.

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