Port Moresby weather in December
In December, Port Moresby sees average daytime highs of 30°C and overnight lows near 24°C, with 170 mm of rain across 21.2 wet days and about 12.5 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 7% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 12 h 30 min at the start of December to 12 h 30 min by month's end. Set against the rest of the year, December is Port Moresby's 8th-clearest and 12th-windiest month. For the whole year in context, see Port Moresby's year-round climate.
- Daytime high
- 30°
- 1st warmest
- Overnight low
- 24°
- 12th coldest
- Rainfall
- 170 mm
- 21.2 wet days
- Daylight
- 12 h 36 min
- 5:51 AM – 6:24 PM
- Cloud cover
- 81%
- 8th clearest
- Wind
- 8 km/h
- 12th windiest
- Solar energy
- 5.63 kWh/m²
- Travel score
- 3.6
- 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 December
Day-to-day highs hold fairly steady near 30°C through the month.
A typical December day in Port Moresby reaches about 30°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, December runs on par with November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 24 |
| 2 | 30 | 24 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 30 | 24 |
| 18 | 30 | 24 |
| 19 | 30 | 24 |
| 20 | 30 | 24 |
| 21 | 30 | 24 |
| 22 | 30 | 24 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 25 |
| 26 | 30 | 25 |
| 27 | 30 | 25 |
| 28 | 30 | 25 |
| 29 | 30 | 25 |
| 30 | 30 | 25 |
| 31 | 30 | 25 |
How December really feels in Port Moresby
Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Port Moresby weather by month
How December compares with the rest of the year at a glance. December is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 24° | 229 | 22.9 | 12.5 | 3.4 |
| Feb | 29° / 24° | 195 | 20.9 | 12.3 | 3.4 |
| Mar | 29° / 24° | 276 | 24.9 | 12.1 | 3.4 |
| Apr | 29° / 24° | 177 | 20.2 | 11.8 | 4.0 |
| May | 29° / 24° | 81 | 12.2 | 11.6 | 5.2 |
| Jun | 28° / 23° | 51 | 8.6 | 11.5 | 6.2 |
| Jul | 28° / 23° | 29 | 5.2 | 11.5 | 6.8 |
| Aug | 28° / 23° | 34 | 6.4 | 11.7 | 6.8 |
| Sep | 28° / 23° | 45 | 7.8 | 11.9 | 5.9 |
| Oct | 29° / 24° | 62 | 11 | 12.2 | 5.2 |
| Nov | 30° / 24° | 110 | 15.5 | 12.4 | 4.4 |
| Dec | 30° / 24° | 170 | 21.2 | 12.5 | 3.6 |
Cloud cover in December
The sky is clear or mostly clear about 7% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 84%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 25 | 24 | 24 | 23 | 23 | 21 | 20 | 20 | 20 | 18 | 18 | 18 | 17 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 12 | 12 | 11 | 9 | 9 | 9 | 9 |
| Cloudier (%) | 75 | 76 | 76 | 77 | 77 | 79 | 80 | 80 | 80 | 82 | 82 | 82 | 83 | 84 | 84 | 84 | 84 | 85 | 85 | 85 | 85 | 86 | 86 | 86 | 88 | 88 | 89 | 91 | 91 | 91 | 91 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 25 | 75 |
| 2 | 24 | 76 |
| 3 | 24 | 76 |
| 4 | 23 | 77 |
| 5 | 23 | 77 |
| 6 | 21 | 79 |
| 7 | 20 | 80 |
| 8 | 20 | 80 |
| 9 | 20 | 80 |
| 10 | 18 | 82 |
| 11 | 18 | 82 |
| 12 | 18 | 82 |
| 13 | 17 | 83 |
| 14 | 16 | 84 |
| 15 | 16 | 84 |
| 16 | 16 | 84 |
| 17 | 16 | 84 |
| 18 | 15 | 85 |
| 19 | 15 | 85 |
| 20 | 15 | 85 |
| 21 | 15 | 85 |
| 22 | 14 | 86 |
| 23 | 14 | 86 |
| 24 | 14 | 86 |
| 25 | 12 | 88 |
| 26 | 12 | 88 |
| 27 | 11 | 89 |
| 28 | 9 | 91 |
| 29 | 9 | 91 |
| 30 | 9 | 91 |
| 31 | 9 | 91 |
Chance of precipitation in December
Port Moresby gets around 170 mm of rain over 21.2 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 68% and peaks near 73% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 59 | 60 | 61 | 62 | 64 | 65 | 66 | 66 | 67 | 67 | 68 | 68 | 69 | 69 | 69 | 69 | 69 | 69 | 69 | 70 | 70 | 70 | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 73 | 73 |
| Rain chance (%) | |
|---|---|
| 1 | 59 |
| 2 | 60 |
| 3 | 61 |
| 4 | 62 |
| 5 | 64 |
| 6 | 65 |
| 7 | 66 |
| 8 | 66 |
| 9 | 67 |
| 10 | 67 |
| 11 | 68 |
| 12 | 68 |
| 13 | 69 |
| 14 | 69 |
| 15 | 69 |
| 16 | 69 |
| 17 | 69 |
| 18 | 69 |
| 19 | 69 |
| 20 | 70 |
| 21 | 70 |
| 22 | 70 |
| 23 | 71 |
| 24 | 71 |
| 25 | 72 |
| 26 | 72 |
| 27 | 72 |
| 28 | 73 |
| 29 | 73 |
| 30 | 73 |
| 31 | 73 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 71% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 2 |
| Oppressive (%) | 66 | 65 | 66 | 66 | 66 | 66 | 66 | 67 | 67 | 68 | 68 | 69 | 70 | 72 | 72 | 73 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 74 | 75 | 75 | 74 | 74 | 74 | 74 |
| Miserable (%) | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 6 | 66 | 28 |
| 2 | 6 | 65 | 29 |
| 3 | 5 | 66 | 29 |
| 4 | 5 | 66 | 29 |
| 5 | 4 | 66 | 30 |
| 6 | 4 | 66 | 30 |
| 7 | 4 | 66 | 30 |
| 8 | 3 | 67 | 30 |
| 9 | 3 | 67 | 30 |
| 10 | 3 | 68 | 29 |
| 11 | 3 | 68 | 29 |
| 12 | 3 | 69 | 28 |
| 13 | 3 | 70 | 27 |
| 14 | 2 | 72 | 26 |
| 15 | 2 | 72 | 26 |
| 16 | 2 | 73 | 25 |
| 17 | 2 | 74 | 24 |
| 18 | 2 | 74 | 24 |
| 19 | 2 | 74 | 24 |
| 20 | 2 | 74 | 24 |
| 21 | 2 | 74 | 24 |
| 22 | 2 | 74 | 24 |
| 23 | 2 | 74 | 24 |
| 24 | 2 | 74 | 24 |
| 25 | 2 | 74 | 24 |
| 26 | 1 | 75 | 24 |
| 27 | 1 | 75 | 24 |
| 28 | 2 | 74 | 24 |
| 29 | 2 | 74 | 24 |
| 30 | 2 | 74 | 24 |
| 31 | 2 | 74 | 24 |
Wind in December
Winds average 8 km/h in December, the calmest month.
Across December, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 9 | calm |
Sunrise & sunset in December
Daylight runs from about 12 h 30 min at the start of December to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 5:46 AM to 5:58 AM, and sunset from 6:17 PM to 6:31 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 |
| Sunrise (AM) | 5:46 | 5:46 | 5:46 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:49 | 5:49 | 5:49 | 5:50 | 5:50 | 5:51 | 5:51 | 5:51 | 5:52 | 5:52 | 5:53 | 5:53 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 |
| Sunset (PM) | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 5:46 | 6:17 |
| 2 | 12.5 | 5:46 | 6:17 |
| 3 | 12.5 | 5:46 | 6:18 |
| 4 | 12.5 | 5:47 | 6:18 |
| 5 | 12.5 | 5:47 | 6:19 |
| 6 | 12.5 | 5:47 | 6:19 |
| 7 | 12.5 | 5:48 | 6:20 |
| 8 | 12.5 | 5:48 | 6:20 |
| 9 | 12.5 | 5:48 | 6:21 |
| 10 | 12.5 | 5:49 | 6:21 |
| 11 | 12.5 | 5:49 | 6:22 |
| 12 | 12.5 | 5:49 | 6:22 |
| 13 | 12.5 | 5:50 | 6:23 |
| 14 | 12.5 | 5:50 | 6:23 |
| 15 | 12.5 | 5:51 | 6:24 |
| 16 | 12.6 | 5:51 | 6:24 |
| 17 | 12.6 | 5:51 | 6:25 |
| 18 | 12.6 | 5:52 | 6:25 |
| 19 | 12.6 | 5:52 | 6:26 |
| 20 | 12.6 | 5:53 | 6:26 |
| 21 | 12.6 | 5:53 | 6:26 |
| 22 | 12.6 | 5:54 | 6:27 |
| 23 | 12.6 | 5:54 | 6:27 |
| 24 | 12.6 | 5:55 | 6:28 |
| 25 | 12.6 | 5:55 | 6:28 |
| 26 | 12.6 | 5:56 | 6:29 |
| 27 | 12.6 | 5:56 | 6:29 |
| 28 | 12.6 | 5:57 | 6:30 |
| 29 | 12.5 | 5:57 | 6:30 |
| 30 | 12.5 | 5:58 | 6:31 |
| 31 | 12.5 | 5:58 | 6:31 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 5.63 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 — December's 5.63 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.9 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.7 | Bright |
| 22 | 5.7 | Bright |
| 23 | 5.7 | Bright |
| 24 | 5.7 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.7 | Bright |
| 28 | 5.7 | Bright |
| 29 | 5.7 | Bright |
| 30 | 5.7 | Bright |
| 31 | 5.7 | Bright |
Hazard calendar for Port Moresby
In December, Port Moresby sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
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.
Is December a good time to visit Port Moresby?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a weaker month for outdoor sightseeing in Port Moresby.
What to pack for Port Moresby in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Port Moresby sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.
Sea temperature near Port Moresby in December
The nearest coast averages about 29°C in December — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 25 | 25 | 26 | 27 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Warm | Warm | Warm | Warm | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 28 | Warm |
| Jun | 27 | Warm |
| Jul | 26 | Warm |
| Aug | 25 | Warm |
| Sep | 25 | Warm |
| Oct | 26 | Warm |
| Nov | 27 | Warm |
| Dec | 29 | Tropical |
UV index in Port Moresby in December
Clear-sky midday UV in December 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 15 | 16 | 16 | 14 | 11 | 9 | 10 | 12 | 14 | 14 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 9 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 14 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
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.
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.
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
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).