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Weather extremes

How extreme does Mwanza's weather get?

The hottest, coldest, wettest and snowiest days Mwanza 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 Mwanza station 9 km away. Updated through August 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 Mwanza has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
100°F Jun 6, 2002

That is about 17°F hotter than a normal June afternoon in Mwanza (typical high near 83°F).

The three most extreme on record

1 100°F Jun 6, 2002
2 100°F Dec 18, 2003
3 100°F Aug 10, 2002
❄️ Coldest night
46°F Jul 28, 2013

About 16°F colder than a normal July night in Mwanza (typical low near 62°F).

The three most extreme on record

1 46°F Jul 28, 2013
2 47°F Jun 28, 2007
3 48°F May 4, 1999
🌧️ Most rain in one day
17.28 in Apr 30, 2016

The three most extreme on record

1 17.28 in Apr 30, 2016
2 11.02 in Sep 1, 2013
3 7.48 in Nov 21, 1997

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 100°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Mwanza's record heat sits well above even a hot day for the season — June's 100°F is about 17°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, Mwanza's warmest days reach the mid-80s°F and its coldest nights drop to the low 60s°F. But across the record it has gone as high as 100°F and as low as 46°F. A single day has delivered over 17 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 →