Madang Weather in May
May in Madang averages 30°C (86°F) during the day and 25°C (77°F) at night. May is part of the rainy season, with around 283 mm (11 in) of rainfall and frequent showers.
Rainfall in Madang in May
Madang is in the rainy season in May, with rain on around 21 days and an average of 283 mm (11 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Madang in May
May in Madang brings typical temperatures with highs around 30°C (86°F) and lows of 25°C (77°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Madang in May
Expect a lot of sunshine this month, with about 217 hours of sun. Showers typically arrive in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, there's plenty of sunshine for sightseeing.
Wind Speed in Madang in May
Average wind conditions reach 1 m/s (2 knots) in May. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.
Average water temperature in May
With water at 28°C (82°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.May in Madang has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Madang's climate page.
Madang Temperature in May
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Water Temperature
28°C (82°F)
Chance of Rain
71%
Precipitation
283 mm (11 in)
Rainy days
21 days
Humidity
81%
Windspeed
1 m/s (2 knots)
Sunshine
217 hours
Percentage Sunshine
Daily Historical Temperatures
46-year average (1976-2025)
Based on our historical records, temperatures in Madang typically stay consistent throughout May, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in May
Historical weather for Madang in May
Browse day-by-day weather records for Madang spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Madang historical weather extremes in May
Based on 20 years of weather observations in Madang between 2006 and 2026, these are the recorded extremes.
- On May 20, 2020, temperatures climbed to 33°C (91°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 25°C (77°F), recorded on May 28, 2021.
- Madang registered its coldest May night on May 23, 2008, with temperatures dropping to 23°C (73°F).
- The wettest May day on record brought 145 mm (5.7 in) of precipitation to Madang (May 12, 2020).
Best Places in Papua New Guinea in May
Find out more about the weather in Papua New Guinea and which places have the best travel conditions in this month. See all of Papua New Guinea in May →
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What to Wear in Madang in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Madang in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Madang's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Madang climate overview or explore weather in Papua New Guinea.
