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Madang, Papua New Guinea climate
Af Tropical rainforest
Madang has a remarkably steady tropical climate (Tropical rainforest, Köppen Af). The hottest month is December with an average daily high near 88°F, while the coldest is July averaging around 75°F at night. Precipitation totals about 123 inches a year and is strongly seasonal — April alone averages 15.8 inches while August barely receives 3.94 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours of sunshine per day
Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)Madang climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 87 | 88 | 88 | 88 |
| Avg temp (°F) | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 81 | 82 | 82 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 75 | 74 | 75 | 75 | 75 |
| Precipitation (in) | 11.9 | 11.8 | 12.4 | 15.8 | 14.3 | 7.2 | 5.0 | 3.9 | 4.1 | 9.6 | 11.7 | 15.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 88 | 88 | 88 | 87 | 87 | 87 |
| Avg temp (°F) | 81 | 81 | 81 | 81 | 81 | 81 |
| Avg low (°F) | 75 | 75 | 75 | 75 | 75 | 75 |
| Precipitation (in) | 11.9 | 11.8 | 12.4 | 15.8 | 14.3 | 7.2 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 87 | 87 | 87 | 88 | 88 | 88 |
| Avg temp (°F) | 81 | 81 | 81 | 81 | 82 | 82 |
| Avg low (°F) | 75 | 75 | 74 | 75 | 75 | 75 |
| Precipitation (in) | 5.0 | 3.9 | 4.1 | 9.6 | 11.7 | 15.2 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 12 | 13 | 14 | 11 | 8 | 7 | 5 | 4 | 9 | 10 | 12 |
| Days with high ≥ 90°F (days) | 4 | 3 | 3 | 2 | 2 | 0.8 | 0.3 | 0.3 | 2 | 2 | 4 | 4 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 12 | 13 | 14 | 11 | 8 |
| Days with high ≥ 90°F (days) | 4 | 3 | 3 | 2 | 2 | 0.8 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 7 | 5 | 4 | 9 | 10 | 12 |
| Days with high ≥ 90°F (days) | 0.3 | 0.3 | 2 | 2 | 4 | 4 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 87 | 88 | 88 | 82 | 74 | 69 | 69 | 67 | 69 | 74 | 81 | 84 |
| Relative humidity (%) | 89 | 90 | 90 | 90 | 90 | 89 | 88 | 86 | 84 | 84 | 86 | 88 |
| Wind speed (mph) | 2.0 | 2.0 | 1.9 | 1.6 | 1.6 | 1.7 | 1.8 | 1.9 | 1.8 | 1.7 | 1.6 | 1.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 87 | 88 | 88 | 82 | 74 | 69 |
| Relative humidity (%) | 89 | 90 | 90 | 90 | 90 | 89 |
| Wind speed (mph) | 2.0 | 2.0 | 1.9 | 1.6 | 1.6 | 1.7 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 69 | 67 | 69 | 74 | 81 | 84 |
| Relative humidity (%) | 88 | 86 | 84 | 84 | 86 | 88 |
| Wind speed (mph) | 1.8 | 1.9 | 1.8 | 1.7 | 1.6 | 1.7 |
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 13 years of daily observations at Madang W.o., a weather station, about 2 km from the city centre. The underlying daily records come from NOAA's global station network.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.