Madang climate — normals and trends
Madang (Papua New Guinea) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.6 °C and it receives 3,296 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is January (25.8 °C on average) and the coldest is July (25.3 °C). Rainfall peaks in March.
Madang averages 0 frost days, 32 hot days (≥ 30 °C) and 291 rainy days per year.
Madang has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.9 °C (on 21 March 2012) and the coldest 21.9 °C (on 16 July 1945).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
MadangMadang Province
- coords
- -5.22°, 145.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.6°C
Average daily high
28.3°C
Average daily low
23.9°C
Annual rainfall
3,296mm
Sunshine / day
9.2h
Mean relative humidity
88%
Average peak wind
9.0km/h
Seasonal range
0.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
32 d/yr
Rainy days (≥ 1 mm)
291 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.7 °C
Average feels-like low
28.7 °C
Average peak gust
23.8 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
17.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.80 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
32.9 °C
21 March 2012
Coldest day
21.9 °C
16 July 1945
Wettest day
210 mm
5 December 1984
Windiest day
20.5 km/h
14 March 2015
Strongest gust
58.0 km/h
21 January 1952
Hottest feels-like
42.5 °C
22 March 2018
Coldest feels-like
24.9 °C
31 January 1941
Sunniest day
12.3 h
22 January 2009
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 30.9 °C | +2.1 °C | 277 mm | -118 mm |
| Feb | 30.1 °C | +1.4 °C | 568 mm | +175 mm |
| Mar | 29.8 °C | +1.2 °C | 234 mm | -208 mm |
| Apr | 29.2 °C | +1.0 °C | 369 mm | -5 mm |
| May | 29.1 °C | +0.9 °C | 261 mm | +41 mm |
| Jun | 29.1 °C | +1.1 °C | 124 mm | -23 mm |
| Jul | 28.9 °C | +1.1 °C | 122 mm | -20 mm |
| Aug | 29.1 °C | +1.1 °C | 139 mm | +17 mm |
| Sep | 29.5 °C | +1.2 °C | 126 mm | -4 mm |
| Oct | 29.6 °C | +1.2 °C | 113 mm | -99 mm |
| Nov | 29.2 °C | +0.8 °C | 367 mm | +59 mm |
| Dec | 29.7 °C | +1.2 °C | 308 mm | -102 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Madang?
Madang has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.6 °C and it receives 3,296 mm of precipitation per year.
What is the hottest day ever recorded in Madang?
The hottest day measured in Madang between 1940 and 2025 was 21 March 2012, reaching 32.9 °C.
What is the coldest day in Madang?
The coldest day measured in Madang between 1940 and 2025 was 16 July 1945, at 21.9 °C.
Does it snow in Madang?
Almost never: Madang sees virtually no snow, with about 0 frost days per year.
Has the climate of Madang warmed?
Yes: Madang warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Madang?
The wettest day measured in Madang between 1940 and 2025 was 5 December 1984, with 210 mm of rain in 24 hours.
What was the windiest day in Madang?
The windiest day measured in Madang between 1940 and 2025 was 14 March 2015, with winds reaching 20.5 km/h.
What is the warmest month in Madang?
The warmest month in Madang is January (25.8 °C on average); the coldest is July (25.3 °C).
How much does it rain in Madang?
Madang receives on average 3,296 mm of precipitation per year, spread over about 291 rainy days.
Is it sunny in Madang?
Madang gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
Are there tropical nights in Madang?
Yes: Madang has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Madang?
In Madang, between 1940 and 2025, the highest apparent temperature reached 42.5 °C on 22 March 2018, and the lowest was 24.9 °C on 31 January 1941.
Compare Madang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Madang