Is Jayapura sunnier than Port Moresby?

Port Moresby is the sunnier: about 2,354 hours of sunshine a year versus 2,054 — a difference of 300 hours.

Which is warmer, Jayapura or Port Moresby?

Port Moresby is warmer across the year: average daytime highs of 32°C (90°F) versus 29°C.

Which is better in winter (November–February), Jayapura or Port Moresby?

They are close in the November–February window: Jayapura averages 63/100 (about 29°C days), Port Moresby 65/100 (about 32°C).

Which has the warmer sea, Jayapura or Port Moresby?

Both peak at about 31°C (88°F); month-by-month sea temperatures for both are on this page.

Jayapura vs Port Moresby: which is sunnier?

🇮🇩 Indonesia vs 🇵🇬 Papua New Guinea · 1,063 km apart · long-term climate normals (NASA POWER, 2001–2020)

Port Moresby is the sunnier overall: about 2,354 hours of sunshine a year to Jayapura's 2,054. Port Moresby has the higher Sunshine Score in 6 of 12 months, Jayapura in 1 (5 within 2 points).

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Jayapura	Port Moresby
Sunshine hours / year	2,054	2,354
Sunniest month	October (66/100)	July (88/100)
Nov–Feb average score	63/100	65/100
Jun–Aug average score	64/100	81/100
Rain / year	2,208 mm	1,285 mm
Warmest sea	31°C / 88°F	31°C / 88°F
Peak midday UV	11 (extreme)	11 (extreme)

Jayapura vs Port Moresby month by month

Month	Sunshine Score		Day high °C		Rain mm		Sea °C
Month	Jayapura	Port Moresby	Jayapura	Port Moresby	Jayapura	Port Moresby	Jayapura	Port Moresby
January	63	65	29°	31°	233	225	30°	31°
February	63	65	28°	30°	223	153	29°	30°
March	63	65	28°	30°	252	292	29°	31°
April	63	67	29°	31°	198	139	30°	31°
May	63	79	29°	31°	154	75	31°	28°
June	63	80	29°	32°	178	69	30°	27°
July	64	88	28°	32°	146	24	30°	26°
August	64	76	29°	33°	148	42	30°	26°
September	63	68	29°	34°	165	40	30°	26°
October	66	59	29°	35°	134	47	31°	27°
November	63	64	29°	34°	179	70	31°	29°
December	63	65	29°	33°	198	109	30°	31°

The sunnier month by month: Jan even · Feb even · Mar even · Apr Port Moresby · May Port Moresby · Jun Port Moresby · Jul Port Moresby · Aug Port Moresby · Sep Port Moresby · Oct Jayapura · Nov even · Dec even.

When to pick which

November–February: too close to call — Jayapura averages 63/100, Port Moresby 65/100. Port Moresby is the warmer, around 32°C daytime highs vs 29°C.
March–May: Port Moresby (average score 70/100 vs 63). Port Moresby is the warmer, around 31°C daytime highs vs 29°C.
June–August: Port Moresby (average score 81/100 vs 64). Port Moresby is the warmer, around 32°C daytime highs vs 29°C.
September–October: too close to call — Jayapura averages 65/100, Port Moresby 64/100. Port Moresby is the warmer, around 35°C daytime highs vs 29°C.

Sea temperature

Both seas peak at 31°C / 88°F. Swimmable water (21°C+): Jayapura all year, Port Moresby all year. Month-by-month sea temperatures are in the table above.

Full month-by-month guides: Jayapura weather by month · Port Moresby weather by month · Best time to visit Indonesia.

More comparisons: Jayapura vs Manokwari · Jayapura vs Merauke · Jayapura vs Wamena · Port Moresby vs Cairns · Port Moresby vs Merauke · Port Moresby vs Honiara · all head-to-heads