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Rome has a warm-summer humid continental climate.

Warm summers and long, cold winters with snow. Rain in every month — here's what that means in plain terms.

Warm-summer humid continentalKöppen Dfb

What this climate feels like

The four things a regular visitor actually wants to know:

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Summers
Warm

Highs near 81°F in July. About 5 days a year above 90 °F.

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Winters
Very cold

Lows near 14°F in January. About 133 freezing nights a year.

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Rain
Wet

About 44 in of rain a year. Wettest in August.

Sky & trend
Often cloudy

Cloudy skies much of the year.

What "warm-summer humid continental" 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. Rome's type — warm-summer humid continental — sits in the broad family of four-season continental climates.

The shorthand: Dfb

Researchers write climate types as a short letter code. Here is what each letter means:

D
Cold winters — At least one month averages below −3 °C — winters are genuinely cold.
f
Rain year-round — Precipitation falls in every season — snow in winter, rain the rest of the year.
b
Warm summers — Warm but not hot summers — the warmest month stays below 22 °C.

Cities with the same climate as Rome

A warm-summer humid continental climate (Dfb) — these recognizable cities share it. If you know one of them, you know roughly what to expect.

Rome sits near a climate boundary

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This city sits right on the line between warm-summer humid continental 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 Rome's climate type changed?

Stable — Rome's climate has held the same type between the 1971–2000 and 1991–2020 normals. The label is steady; the climate beneath it is still warming.

What this climate means for you

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For gardeners

A ~5-month growing season — hardy apples, maples, root vegetables, brassicas. Heat-loving crops are marginal without season-extension.

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For travellers

Summer is the practical window; autumn brings spectacular foliage in many areas. Winter is for skiing and ice — beautiful but brutal.

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For movers & buyers

Long, cold winters and warm but not hot summers. Heating dominates. A strong outdoor culture in summer to balance the long indoor winter.

Where these numbers come from

The climate type and the month-by-month figures on this page are computed from Rome's measured 30-year climate normals (1991–2020) — the same official records behind Rome'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 Utica Oneida CO AP (NOAA GHCN station USW00094794), about 10 km from the city centre.

How we build these numbers →