Port Moresby weather in July
In July, Port Moresby sees average daytime highs of 28°C and overnight lows near 23°C, with 29 mm of rain across 5.2 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 17% of the time in July, and the air most often feels oppressive.
Daylight stretches from about 11 h 30 min at the start of July to 11 h 36 min by month's end. Set against the rest of the year, July is Port Moresby's 2nd-clearest and 1st-windiest month. For the whole year in context, see Port Moresby's year-round climate.
- Daytime high
- 28°
- 12th warmest
- Overnight low
- 23°
- 2nd coldest
- Rainfall
- 29 mm
- 5.2 wet days
- Daylight
- 11 h 30 min
- 6:32 AM – 6:02 PM
- Cloud cover
- 67%
- 2nd clearest
- Wind
- 17 km/h
- 1st windiest
- Solar energy
- 4.41 kWh/m²
- Travel score
- 6.8
- 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 July
Day-to-day highs hold fairly steady near 28°C through the month.
A typical July day in Port Moresby reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 29°C. Set against its neighbours, July runs on par with June and on par with August.
| 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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 23 |
| 2 | 28 | 23 |
| 3 | 28 | 23 |
| 4 | 28 | 23 |
| 5 | 28 | 23 |
| 6 | 28 | 23 |
| 7 | 28 | 23 |
| 8 | 28 | 23 |
| 9 | 28 | 23 |
| 10 | 28 | 23 |
| 11 | 28 | 23 |
| 12 | 28 | 23 |
| 13 | 28 | 23 |
| 14 | 28 | 23 |
| 15 | 28 | 23 |
| 16 | 28 | 23 |
| 17 | 28 | 23 |
| 18 | 28 | 23 |
| 19 | 28 | 23 |
| 20 | 28 | 23 |
| 21 | 28 | 23 |
| 22 | 28 | 23 |
| 23 | 27 | 23 |
| 24 | 27 | 23 |
| 25 | 27 | 23 |
| 26 | 27 | 23 |
| 27 | 27 | 23 |
| 28 | 27 | 23 |
| 29 | 27 | 23 |
| 30 | 27 | 23 |
| 31 | 27 | 22 |
How July really feels in Port Moresby
Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Port Moresby weather by month
How July compares with the rest of the year at a glance. July is the 12th-warmest and 12th-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 July
The sky is clear or mostly clear about 17% of the time in July.
Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 63%.
| 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 (%) | 34 | 34 | 34 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 35 | 37 | 37 | 36 | 37 | 38 | 38 | 38 | 37 | 37 | 38 | 38 | 37 | 37 | 38 | 38 | 38 | 39 | 39 | 39 |
| Cloudier (%) | 66 | 66 | 66 | 65 | 65 | 64 | 64 | 64 | 64 | 64 | 64 | 65 | 63 | 63 | 64 | 63 | 62 | 62 | 62 | 63 | 63 | 62 | 62 | 63 | 63 | 62 | 62 | 62 | 61 | 61 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 34 | 66 |
| 2 | 34 | 66 |
| 3 | 34 | 66 |
| 4 | 35 | 65 |
| 5 | 35 | 65 |
| 6 | 36 | 64 |
| 7 | 36 | 64 |
| 8 | 36 | 64 |
| 9 | 36 | 64 |
| 10 | 36 | 64 |
| 11 | 36 | 64 |
| 12 | 35 | 65 |
| 13 | 37 | 63 |
| 14 | 37 | 63 |
| 15 | 36 | 64 |
| 16 | 37 | 63 |
| 17 | 38 | 62 |
| 18 | 38 | 62 |
| 19 | 38 | 62 |
| 20 | 37 | 63 |
| 21 | 37 | 63 |
| 22 | 38 | 62 |
| 23 | 38 | 62 |
| 24 | 37 | 63 |
| 25 | 37 | 63 |
| 26 | 38 | 62 |
| 27 | 38 | 62 |
| 28 | 38 | 62 |
| 29 | 39 | 61 |
| 30 | 39 | 61 |
| 31 | 39 | 61 |
Chance of precipitation in July
Port Moresby gets around 29 mm of rain over 5.2 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 19% and peaks near 23% on the wettest days.
| 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 (%) | 23 | 22 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 18 | 18 | 19 | 20 | 21 | 21 | 22 |
| Rain chance (%) | |
|---|---|
| 1 | 23 |
| 2 | 22 |
| 3 | 21 |
| 4 | 20 |
| 5 | 20 |
| 6 | 19 |
| 7 | 18 |
| 8 | 18 |
| 9 | 18 |
| 10 | 18 |
| 11 | 17 |
| 12 | 17 |
| 13 | 17 |
| 14 | 17 |
| 15 | 17 |
| 16 | 17 |
| 17 | 17 |
| 18 | 17 |
| 19 | 17 |
| 20 | 17 |
| 21 | 17 |
| 22 | 17 |
| 23 | 17 |
| 24 | 17 |
| 25 | 18 |
| 26 | 18 |
| 27 | 19 |
| 28 | 20 |
| 29 | 21 |
| 30 | 21 |
| 31 | 22 |
Humidity in July
Most of July feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, July lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 95% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 |
| Muggy (%) | 27 | 28 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 40 | 41 | 41 | 41 | 40 | 40 | 39 |
| Oppressive (%) | 69 | 69 | 69 | 67 | 67 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 66 | 65 | 65 | 64 | 62 | 61 | 60 | 58 | 57 | 56 | 54 | 53 | 53 | 51 | 51 | 51 | 51 | 51 | 51 |
| Miserable (%) | 2 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 2 | 27 | 69 | 2 |
| 2 | 2 | 28 | 69 | 1 |
| 3 | 2 | 28 | 69 | 1 |
| 4 | 3 | 29 | 67 | 1 |
| 5 | 3 | 29 | 67 | 1 |
| 6 | 3 | 29 | 68 | 0 |
| 7 | 3 | 30 | 67 | 0 |
| 8 | 3 | 30 | 67 | 0 |
| 9 | 3 | 30 | 67 | 0 |
| 10 | 3 | 30 | 67 | 0 |
| 11 | 3 | 30 | 67 | 0 |
| 12 | 3 | 30 | 67 | 0 |
| 13 | 4 | 30 | 66 | 0 |
| 14 | 4 | 31 | 65 | 0 |
| 15 | 4 | 31 | 65 | 0 |
| 16 | 4 | 32 | 64 | 0 |
| 17 | 5 | 33 | 62 | 0 |
| 18 | 5 | 34 | 61 | 0 |
| 19 | 5 | 35 | 60 | 0 |
| 20 | 6 | 36 | 58 | 0 |
| 21 | 6 | 37 | 57 | 0 |
| 22 | 6 | 38 | 56 | 0 |
| 23 | 7 | 39 | 54 | 0 |
| 24 | 7 | 40 | 53 | 0 |
| 25 | 7 | 40 | 53 | 0 |
| 26 | 8 | 41 | 51 | 0 |
| 27 | 8 | 41 | 51 | 0 |
| 28 | 8 | 41 | 51 | 0 |
| 29 | 9 | 40 | 51 | 0 |
| 30 | 9 | 40 | 51 | 0 |
| 31 | 10 | 39 | 51 | 0 |
Wind in July
Winds average 17 km/h in July, the windiest month of the year.
Across July, daily wind ranges from about 16 km/h on the calmest days to 17 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) | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 17 | light breeze |
| 21 | 17 | light breeze |
| 22 | 17 | light breeze |
| 23 | 17 | light breeze |
| 24 | 17 | light breeze |
| 25 | 17 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
| 31 | 17 | light breeze |
Sunrise & sunset in July
Daylight runs from about 11 h 30 min at the start of July to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over July. Sunrise moves from 6:31 AM to 6:30 AM, and sunset from 5:58 PM to 6:05 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) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.6 | 11.6 | 11.6 | 11.6 |
| Sunrise (AM) | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:30 |
| Sunset (PM) | 5:58 | 5:59 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:05 | 6:05 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 6:31 | 5:58 |
| 2 | 11.5 | 6:31 | 5:59 |
| 3 | 11.5 | 6:31 | 5:59 |
| 4 | 11.5 | 6:32 | 5:59 |
| 5 | 11.5 | 6:32 | 5:59 |
| 6 | 11.5 | 6:32 | 6:00 |
| 7 | 11.5 | 6:32 | 6:00 |
| 8 | 11.5 | 6:32 | 6:00 |
| 9 | 11.5 | 6:32 | 6:00 |
| 10 | 11.5 | 6:32 | 6:00 |
| 11 | 11.5 | 6:32 | 6:01 |
| 12 | 11.5 | 6:32 | 6:01 |
| 13 | 11.5 | 6:32 | 6:01 |
| 14 | 11.5 | 6:32 | 6:01 |
| 15 | 11.5 | 6:32 | 6:02 |
| 16 | 11.5 | 6:32 | 6:02 |
| 17 | 11.5 | 6:32 | 6:02 |
| 18 | 11.5 | 6:32 | 6:02 |
| 19 | 11.5 | 6:32 | 6:03 |
| 20 | 11.5 | 6:32 | 6:03 |
| 21 | 11.5 | 6:32 | 6:03 |
| 22 | 11.5 | 6:32 | 6:03 |
| 23 | 11.5 | 6:32 | 6:03 |
| 24 | 11.5 | 6:32 | 6:04 |
| 25 | 11.5 | 6:31 | 6:04 |
| 26 | 11.5 | 6:31 | 6:04 |
| 27 | 11.5 | 6:31 | 6:04 |
| 28 | 11.6 | 6:31 | 6:04 |
| 29 | 11.6 | 6:31 | 6:04 |
| 30 | 11.6 | 6:31 | 6:05 |
| 31 | 11.6 | 6:30 | 6:05 |
Solar energy in July
Average shortwave solar energy reaching the ground each day in July, about 4.41 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 — July's 4.41 kWh/m² sits near the bottom.
| 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) | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 |
| 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 | 4.2 | Bright |
| 2 | 4.2 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.3 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.3 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.4 | Bright |
| 14 | 4.4 | Bright |
| 15 | 4.4 | Bright |
| 16 | 4.4 | Bright |
| 17 | 4.4 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.6 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.6 | Bright |
Hazard calendar for Port Moresby
None of Port Moresby's seasonal hazards are active in July. 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.
Is July a good time to visit Port Moresby?
Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
July 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 July
From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In July, Port Moresby sees daytime highs around 28°C and nights near 23°C. Pack light clothes. About 5 days see rain.
Sea temperature near Port Moresby in July
The nearest coast averages about 26°C in July — 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 July
Clear-sky midday UV in July peaks around 10 (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).