Madang Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Madang.
Climate overview of Madang
Madang, Momase Region, Papua New Guinea, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in January at 30°C (86°F) and dipping in July to 29°C (84°F).
The city receives considerable rainfall, with around 3647 mm (144 in) annually. March is the wettest month. It has a distinct rainy season from October to May. August is the sunniest month, averaging 7.5 hours of sunshine per day.
Madang Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Madang - and find the best time to visit.
Monthly Temperature in Madang
With minimal seasonal shifts, Madang experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a very warm 30°C (86°F) in January to a comfortable 29°C (84°F) in the coolest month, July.
Nights vary from 25°C (77°F) in January to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Madang
Madang has a notably wet climate with abundant precipitation, recording 3647 mm (144 in) of rainfall per year. The climate in Madang shows significant variation throughout the year. Expect heavy rainfall in March, the wettest month, with an average of 453 mm (18 in) of precipitation over 22 rainy days.
In contrast, the driest month August offers drier and sunnier days, with around 159 mm (6.3 in) of rainfall over 14 rainy days. For more details, please visit our Madang Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Madang
For those who appreciate different seasons, Madang serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 7.5 hours of sunshine daily, and embrace the darker days in February, offering only 4.1 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Water Temperature in Madang
The mean water temperature over the year ranges from 28°C (82°F) in April to 29°C (84°F) in January.
Water temperature over the year
Humidity in Madang by Month
The city experiences its highest humidity in January, reaching 82%. In October, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Madang
The mean wind speed over the year ranges from 1 m/s (2 knots) in April, May and June to 2 m/s (4 knots) in January, February, March, July, August, September, October, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Madang
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August
- Warmest weather: all year round
- Most sunshine: May, June, August, September and October
- Fewest rainy days: July, August and September
- Best for swimming: Any time of year. The sea stays pleasantly warm year-round.
- Seasonal pattern: A distinct rainy season from October to May
Frequently asked questions about the climate in Madang
What is the best time to visit Madang?
August typically offers the most optimal weather in Madang. In contrast, January, February, March, April, May, October, November and December tend to have less optimal conditions. Madang has a distinct rainy season from October to May.
What temperatures can I expect in Madang?
Daytime highs range from 29°C (84°F) in July to 30°C (86°F) in January. Nighttime lows range from 24°C (75°F) to 25°C (77°F). Temperatures stay relatively stable year-round.
How much rain does Madang get?
Annual rainfall is around 3647 mm (144 in). March is the wettest month with 453 mm (18 in), while August is the driest with 159 mm (6.3 in).
How sunny is Madang?
Madang receives around 2,262 hours of sunshine per year. August is the sunniest month with 226 hours, while February is the cloudiest with just 123 hours. Overall, Madang enjoys abundant sunshine.
Madang 3-Day Forecast
Madang on the map
Madang is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
