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Weather extremes
How extreme does Koani's weather get?
The hottest, coldest, wettest and snowiest days Koani has recorded — the outer limits of what its weather can do, and how far they sit beyond a normal day.
The four kinds of extreme
The hottest, coldest, wettest and snowiest single days Koani has recorded — each shown against what a normal day that time of year looks like.
That is about 31°F hotter than a normal January afternoon in Koani (typical high near 91°F).
The three most extreme on record
About 19°F colder than a normal September night in Koani (typical low near 70°F).
The three most extreme on record
More rain in a single day than Koani usually gets in the whole month of November (typical November total about 8.9 in).
The three most extreme on record
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.
Koani's record heat sits well above even a hot day for the season — January's 122°F is about 31°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
Methodology & sources
Temperature & precipitation — 1991–2020 normals computed from 27 years of daily observations at Mwalimu Julius K Nyerere Intl, a weather station, about 83 km from the city centre. The underlying daily records come from NOAA's global station network.