Madang weather by month & the best time to visit
Papua New Guinea · beach resort · tropical rainforest climate
The best time to visit Madang is August — its sunniest month (Sunshine Score 77/100), with July and September close behind. Madang averages about 2,125 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 76 mm of rain in August.
When is the best time to visit Madang?
For sunshine, the best time to visit Madang is August, then July and September. The dullest month is January (64/100, 209 mm of rain). The full month-by-month picture is in the table below.
How sunny is Madang?
Madang gets a moderate 2,125 hours of sunshine a year. Conditions barely change through the year — only 13 Sunshine Score points separate August from January. It ranks #12 of 37 destinations in Papua New Guinea for annual sunshine, above the national median of 2,055 hours. The year's 1,833 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 64 | 29° / 84°F | 25° / 77°F | 209 mm | 11 | 30° / 86°F |
| February | 64 | 29° / 84°F | 25° / 77°F | 169 mm | 11 | 30° / 86°F |
| March | 64 | 29° / 84°F | 25° / 77°F | 221 mm | 11 | 30° / 86°F |
| April | 64 | 29° / 84°F | 25° / 77°F | 192 mm | 11 | 31° / 88°F |
| May | 64 | 29° / 84°F | 25° / 77°F | 175 mm | 10 | 31° / 88°F |
| June | 68 | 29° / 84°F | 25° / 77°F | 125 mm | 10 | 30° / 86°F |
| July | 74 | 29° / 84°F | 25° / 77°F | 94 mm | 10 | 29° / 84°F |
| August | 77 | 29° / 84°F | 24° / 75°F | 76 mm | 11 | 29° / 84°F |
| September | 70 | 30° / 86°F | 25° / 77°F | 113 mm | 11 | 29° / 84°F |
| October | 69 | 30° / 86°F | 25° / 77°F | 120 mm | 11 | 30° / 86°F |
| November | 64 | 30° / 86°F | 25° / 77°F | 168 mm | 11 | 31° / 88°F |
| December | 64 | 30° / 86°F | 25° / 77°F | 171 mm | 11 | 31° / 88°F |
Sea temperature in Madang by month
The sea off Madang is warmest in April at around 31°C / 88°F, and coolest in July at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Madang: questions and answers
What kind of destination is Madang?
Madang is a beach resort in Papua New Guinea with a tropical rainforest climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Madang get a year?
Madang gets about 2,125 hours of sunshine a year, at its best around August.
When is the best time to visit Madang?
The sunniest time to visit Madang is August, when the Sunshine Score peaks at 77/100 (with July and September close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Madang?
January is the least sunny month in Madang, scoring 64/100 with about 209 mm of rain.
What is the sea temperature in Madang?
The sea in Madang ranges from about 29°C (July) to 31°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Madang?
The typical midday UV index in Madang peaks around 11 (extreme) in January, easing to about 10 (very high) in May. Month-by-month midday UV values are in the UV column of the table on this page.
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