Madang in Summer

In summer (December, January and February), Madang sees average daytime highs around 29°C and overnight lows near 24°C, with 1253 mm of rain over about 84 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels miserable.

Summer is Madang's weakest season of the year to visit on our travel score. Madang has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Madang's year-round climate.

Avg daytime high
29°C
warmest season of the year
Avg overnight low
24°C
Rainfall
1253 mm
84 wet days
Avg wind
5 km/h
Travel score
2.9
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Madang in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 29°C.

A typical summer day in Madang reaches about 29°C and drops to 24°C overnight. The warmest of the three months is January, the coolest February.

20°25°30°35°DecJanFeb

How summer really feels in Madang

Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
90
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Madang weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°43028.812.32.9
Feb29° / 24°39526.412.22.8
Mar29° / 24°46628.2123.0
Apr29° / 24°41427.411.93.1
May29° / 24°26224.411.83.7
Jun28° / 24°15020.611.74.1
Jul28° / 24°16920.511.74.4
Aug28° / 24°15117.611.84.7
Sep29° / 24°15117.3124.5
Oct29° / 24°22922.112.13.9
Nov29° / 24°33725.912.23.3
Dec29° / 24°4272912.32.9

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Madang gets around 1253 mm of rain over 84 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 5 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 18 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 4.7 kWh/m².

024DecJanFeb
Planning a trip in summer

Hazard calendar for Madang

In seasonPeak

In summer, Madang overlaps its cyclone season. The full year is below, with each hazard's peak months called out.

Madang sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Madang?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.9
Sightseeing
4th-best month of the year
3.8
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Madang.

What to pack for Madang in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Madang sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 84 days see rain.

light clothesrain gearsun protection

Sea temperature near Madang in Summer

The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 15 km away) is warmest in December at about 30°C and coldest in August near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec30Tropical

UV index in Madang in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Madang peaks around March 13 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 13UV 16Jun 21UV 10
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar17Extreme
Apr15Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Madang?

Madang sits at 5.2°S, 145.8°E, 4 m above sea level, in Papua New Guinea. The nearest listed city is Goroka, 106 km away.

GorokaMount HagenLaeBuloloMendiWewakPopondettaKimbe

Topography around Madang

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Madang.

Within 3 km, the terrain around Madang has only modest variations in elevation — a maximum elevation change of 45 m around an average of 9 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 548 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,835 m.

The land around Madang is covered by trees (45%), water (25%) and grassland (21%) within 3 km, water (51%) and trees (47%) within 16 km, and trees (60%) and water (38%) within 80 km.

3 km
45 m
16 km
548 m
80 km
3,835 m
treesgrasslandartificial surfaceswatermangroves
Summer weather nearby: Goroka 106 km · Mount Hagen 186 km · Lae 214 km · Bulolo 240 km · Mendi 257 km · Wewak 303 km · Popondetta 478 km · Kimbe 483 km

Papua New Guinea travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type I
240 V · 50 Hz
Prices
≈ 58% of US
price level, 2025
GDP per capita
$3,020
2025
Homicide rate
9.3
per 100k, 2010
Road deaths
12.6
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Protestant 64%Roman Catholic 26%other Christian 5%non-Christian 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Madang (-5.2215°, 145.7869°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.