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Weather extremes

How extreme does Marana's weather get?

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

Based on 17 years of daily weather observations (2009–present), from the Tohono Chul station 25 km away. Updated through May 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 Marana has recorded — each shown against what a normal day that time of year looks like.

🔥 Hottest day
115°F Jun 16, 2021

That is about 13°F hotter than a normal June afternoon in Marana (typical high near 102°F).

The three most extreme on record

1 115°F Jun 16, 2021recent
2 115°F Jun 17, 2021
3 115°F Jun 20, 2021
❄️ Coldest night
-99°F Jun 3, 2019

About 167°F colder than a normal June night in Marana (typical low near 68°F).

The three most extreme on record

1 -99°F Jun 3, 2019
2 0°F Aug 25, 2012
3 0°F Aug 26, 2012
🌧️ Most rain in one day
3.07 in Mar 1, 2023

The three most extreme on record

1 3.07 in Mar 1, 2023recent
2 2.50 in Jul 20, 2010
3 2.44 in Sep 9, 2014

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.

-110°-90°-70°-50°-30°-10°10°30°50°70°90°110°130° all-time high 115°F JanFebMarAprMayJunJulAugSepOctNovDec
normal range of daily temperatureshottest ever recordedcoldest ever recorded

Marana's record heat sits well above even a hot day for the season — June's 115°F is about 13°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, Marana's warmest days reach the low 100s°F and its coldest nights drop to the high 30s°F. But across the record it has gone as high as 115°F and as low as −99°F. A single day has delivered over 3 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 — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Tucson Camp Ave Exp (NOAA GHCN station USC00028796), about 32 km from the city centre.

How we build these numbers →