Port Moresby weather in October

In October, Port Moresby sees average daytime highs of 29°C and overnight lows near 24°C, with 62 mm of rain across 11 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 17% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of October to 12 h 18 min by month's end. Set against the rest of the year, October is Port Moresby's 5th-clearest and 5th-windiest month. For the whole year in context, see Port Moresby's year-round climate.

Daytime high
29°
5th warmest
Overnight low
24°
5th coldest
Rainfall
62 mm
11 wet days
Daylight
12 h 12 min
5:50 AM – 6:03 PM
Cloud cover
69%
5th clearest
Wind
12 km/h
5th windiest
Solar energy
5.9 kWh/m²
Travel score
5.2
out of 10

Port Moresby is capital of Papua New Guinea.

Density
1,182/km²
people per km²
Founded
1873

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in Port Moresby reaches about 29°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924
312924

How October really feels in Port Moresby

Once humidity and wind are folded in, October averages 17 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
17
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Port Moresby weather by month

How October compares with the rest of the year at a glance. October is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°22922.912.53.4
Feb29° / 24°19520.912.33.4
Mar29° / 24°27624.912.13.4
Apr29° / 24°17720.211.84.0
May29° / 24°8112.211.65.2
Jun28° / 23°518.611.56.2
Jul28° / 23°295.211.56.8
Aug28° / 23°346.411.76.8
Sep28° / 23°457.811.95.9
Oct29° / 24°621112.25.2
Nov30° / 24°11015.512.44.4
Dec30° / 24°17021.212.53.6

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 15% of October, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33070
43070
53070
63070
73070
83070
93268
103268
113268
123268
133268
143268
153268
163268
173169
183169
193268
203268
213268
223268
233367
243367
253367
263367
273466
283466
293466
303466
313565

Chance of precipitation in October

Any precipitation

Port Moresby gets around 62 mm of rain over 11 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
132
232
332
433
533
633
733
834
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1935
2035
2136
2236
2337
2437
2538
2638
2739
2840
2941
3042
3143

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1223714
2223714
3223705
4223705
5223705
6323695
7322696
8322696
9322696
10322696
11322696
12322696
13322696
14322696
15221716
16221716
17221716
18221716
19221716
20120727
21120727
22119737
23118738
24117748
25117739
261167310
271157410
281147411
291147312
301137313
311127314

Wind in October

Winds average 12 km/h in October.

Across October, daily wind ranges from about 11 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512calm
2612calm
2712calm
2812calm
2911calm
3011calm
3111calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 h 06 min at the start of October to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over October. Sunrise moves from 5:58 AM to 5:45 AM, and sunset from 6:03 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:586:03
212.15:576:03
312.15:576:03
412.15:566:03
512.15:566:03
612.15:556:03
712.15:546:03
812.15:546:03
912.25:536:03
1012.25:536:03
1112.25:526:03
1212.25:526:03
1312.25:516:03
1412.25:516:03
1512.25:506:03
1612.25:506:03
1712.25:506:03
1812.25:496:03
1912.25:496:03
2012.25:486:03
2112.35:486:03
2212.35:486:03
2312.35:476:04
2412.35:476:04
2512.35:476:04
2612.35:466:04
2712.35:466:04
2812.35:466:04
2912.35:456:05
3012.35:456:05
3112.35:456:05

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 5.9 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 5.92 kWh/m² in November across the year — October's 5.9 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.9Bright
115.9Bright
125.9Bright
135.9Bright
145.9Bright
155.9Bright
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Bright
296.0Bright
306.0Bright
316.0Bright
Planning a trip in October

Hazard calendar for Port Moresby

In seasonPeak

None of Port Moresby's seasonal hazards are active in October. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Port Moresby sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Port Moresby's monsoon runs December–April, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Port Moresby?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.2
Sightseeing
5th-best month of the year
6.6
Beach & pool
5th-best month of the year

October is a reasonable time to visit Port Moresby for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Port Moresby in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Port Moresby sees daytime highs around 29°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Port Moresby in October

The nearest coast averages about 26°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in January at about 29°C and coldest in August near 25°C.

The water stays above 20°C all year — warm enough for a swim any month.

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May28Warm
Jun27Warm
Jul26Warm
Aug25Warm
Sep25Warm
Oct26Warm
Nov27Warm
Dec29Tropical

UV index in Port Moresby in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Port Moresby peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 10UV 16Jun 20UV 9
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar16Extreme
Apr14Extreme
May11Extreme
Jun9Very high
Jul10Very high
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Port Moresby?

Port Moresby sits at 9.5°S, 147.2°E, 25 m above sea level, in Papua New Guinea. The nearest listed city is Popondetta, 143 km away.

PopondettaBuloloLaeGorokaDaruMadangMount HagenMendi

Topography around Port Moresby

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Port Moresby.

Within 3 km, the terrain around Port Moresby has only modest variations in elevation — a maximum elevation change of 229 m around an average of 21 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 402 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,978 m.

The land around Port Moresby is covered by water (69%) within 3 km, water (53%) and grassland (24%) within 16 km, and trees (55%) and water (37%) within 80 km.

3 km
229 m
16 km
402 m
80 km
3,978 m
treesgrasslandartificial surfacesbare terrainwatermangroves
October weather nearby: Popondetta 143 km · Bulolo 259 km · Lae 307 km · Goroka 424 km · Daru 435 km · Madang 497 km · Mount Hagen 515 km · Mendi 534 km

Papua New Guinea travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type I
240 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$3,020
2025
Homicide rate
9.3
per 100k, 2010
Road deaths
12.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Protestant 64%Roman Catholic 26%other Christian 5%non-Christian 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Port Moresby (-9.4772°, 147.1509°, elevation 25 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).