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Weather extremes

How extreme does Kolonia's weather get?

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

Based on 50+ years of daily weather observations (1971–present), from the Pohnpei Wso station 1 km away. Updated through June 2026 — 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 Kolonia has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
98°F Nov 5, 2009

That is about 9°F hotter than a normal November afternoon in Kolonia (typical high near 89°F).

The three most extreme on record

1 98°F Nov 5, 2009
2 97°F Aug 24, 2001
3 97°F Aug 25, 2001
❄️ Coldest night
61°F Jan 23, 2000

About 14°F colder than a normal January night in Kolonia (typical low near 75°F).

The three most extreme on record

1 61°F Jan 23, 2000
2 61°F Apr 3, 2000
3 62°F Sep 11, 1998
🌧️ Most rain in one day
15.36 in May 10, 2015

About 79% of a typical May's rain in a single day (Kolonia averages roughly 19.3 in across the month).

The three most extreme on record

1 15.36 in May 10, 2015
2 12.62 in Apr 10, 2003
3 12.21 in Mar 17, 2018

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.

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

Kolonia's record heat sits well above even a hot day for the season — November's 98°F is about 9°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, Kolonia's warmest days reach the high 80s°F and its coldest nights drop to the low 70s°F. But across the record it has gone as high as 98°F and as low as 61°F. A single day has delivered over 15 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 — 1991–2020 normals computed from 30 years of daily observations at Pohnpei Wso, a weather station, about 1 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →