Madang Weather in January
With daytime temperatures of 30°C (86°F) and nighttime lows of 25°C (77°F), January in Madang brings very high temperatures during the day. Do keep in mind that January is part of the rainy season, with frequent and often heavy rainfall.
Rainfall in Madang in January
As part of the rainy season, Madang sees around 23 days of rain in January, with an average of 409 mm (16 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Madang in January
January in Madang brings very high temperatures, with highs of 30°C (86°F) and nights around 25°C (77°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. At 25°C (77°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.
Sunshine in Madang in January
The city usually sees around 155 hours of sunlight, indicating a moderately sunny period (despite it being part of rainy season).
Wind Speed in Madang in January
Average wind conditions reach 2 m/s (4 knots) in January. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in January
The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.If you prefer dry days with pleasant temperatures, January may not be the ideal month to visit Madang. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 January
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F)
Chance of Rain
77%
Precipitation
409 mm (16 in)
Rainy days
23 days
Humidity
82%
Windspeed
2 m/s (4 knots)
Sunshine
155 hours
Percentage Sunshine
Daily Historical Temperatures
45-year average (1976-2026)
Based on our historical records, temperatures in Madang typically stay consistent throughout January, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in January
Historical weather for Madang in January
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 January
According to our 19 years of weather records for Madang, the following extremes were recorded between 2006 and 2025.
- The hottest January day on record in Madang reached 34°C (93°F) (January 16, 2020).
- On January 1, 2012, Madang saw its coldest January day with temperatures maxing out at 25°C (77°F).
- The coldest night in January in Madang was on January 9, 2015, with a minimum of 23°C (73°F).
- The wettest day in January Madang was on January 1, 2012 with 179 mm (7 in) of precipitation.
Best Places in Papua New Guinea in January
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 January →
perfect weather
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What to Wear in Madang in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Madang in January
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.
