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Cottonwood Heights has a hot-summer Mediterranean climate.
Mild, rainy winters and hot, dry summers — here's what that means in plain terms.
What this climate feels like
The four things a regular visitor actually wants to know:
Highs near 91°F in July. About 47 days a year above 90 °F.
Lows near 23°F in January. About 110 freezing nights a year.
About 24 in of rain a year, plus 82 in of snow. Snow falls through the winter months.
A roughly even mix of sun and cloud.
What "hot-summer Mediterranean" means
Climate scientists sort every place on Earth into about 30 climate types, based on how hot, cold, wet and dry it is across the year. Cottonwood Heights's type — hot-summer mediterranean — sits in the broad family of mild, temperate climates.
Researchers write climate types as a short letter code. Here is what each letter means:
Cities with the same climate as Cottonwood Heights
A hot-summer Mediterranean climate (Csa) — these recognizable cities share it. If you know one of them, you know roughly what to expect.
Cottonwood Heights sits near a climate boundary
This city sits right on the line between hot-summer mediterranean and the next type along. Different climate maps file it on different sides of that line; the lived weather doesn't change at the line — it's a naming boundary, not a wall.
Has Cottonwood Heights's climate type changed?
A climate type is a coarse bucket. It can hold steady for years while the weather inside it shifts — or tip into the next bucket.
What this climate means for you
Wine grapes, olives, citrus, figs and rosemary thrive. Summer-active gardens need drip irrigation; cool-season crops do well over winter.
Spring and autumn are the perfect window — warm, dry and clear without summer's heat. Summer is hot but rain-free.
Sunny summers, mild winters and an outdoor lifestyle. Wildfires are the dominant summer risk in many areas.
Where these numbers come from
The climate type and the month-by-month figures on this page are computed from Cottonwood Heights's measured 30-year climate normals (1991–2020) — the same official records behind Cottonwood Heights's main climate page, so the two always agree.
Long-range climate maps measure things slightly differently and can place a city in a neighbouring category. Where they differ, this page uses the measured station record as the climate today.
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Cottonwood Weir (NOAA GHCN station USC00421759), about 2 km from the city centre.