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Weather extremes

How extreme does Wamena's weather get?

The hottest, coldest, wettest and snowiest days Wamena has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.

Based on 34 years of daily weather observations (1991–present), from the Wamena station 1 km away. Updated through March 2025 — an all-time extreme only changes when a more extreme day actually occurs, so some dates are old. That is normal, not stale data.

The four kinds of extreme

The hottest, coldest, wettest and snowiest single days Wamena has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
98°F Oct 23, 2013

That is about 18°F hotter than a normal October afternoon in Wamena (typical high near 80°F).

The three most extreme on record

1 98°F Oct 23, 2013
2 90°F Apr 16, 1996
3 90°F May 15, 2000
❄️ Coldest night
40°F Aug 15, 2015

About 18°F colder than a normal August night in Wamena (typical low near 58°F).

The three most extreme on record

1 40°F Aug 15, 2015
2 41°F Aug 14, 2015
3 41°F Aug 13, 2015
🌧️ Most rain in one day
8.46 in Mar 7, 2017

More rain in a single day than Wamena usually gets in the whole month of March (typical March total about 6.4 in).

The three most extreme on record

1 8.46 in Mar 7, 2017
2 6.38 in Jul 10, 2011
3 5.98 in Feb 10, 2016

How hot and cold it gets, month by month

The shaded band is the normal range of daily temperatures for each month. The dots show the most extreme it has ever been — so you can see how far beyond a normal day the records really sit.

30°50°70°90°110° all-time high 98°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Wamena's record heat sits well above even a hot day for the season — October's 98°F is about 18°F beyond a normal hot afternoon. Its record cold is just as far below a normal winter night — the dots mark how rare each extreme really is.

In plain terms

In a normal year, Wamena's warmest days reach the low 80s°F and its coldest nights drop to the high 50s°F. But across the record it has gone as high as 98°F and as low as 40°F. A single day has delivered over 8 inches of rain. Those are the outer edges worth knowing if you are moving here, planning a trip, or thinking about a house.
Methodology & sources

Temperature & precipitation — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

How we build these numbers →