caldo

/ˈkal.do/adjective / noun · masculineA1 / A2

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Meaning · adjective

warm, hot

Oggi fa molto caldo in città.
It’s very hot in the city today.

Hai caldo con quella giacca pesante?
Are you hot in that heavy jacket?

Ieri non era così caldo al mare.
Yesterday it wasn’t this warm at the beach.

Word forms (4)

Use 'caldo' for temperature (weather, food, objects). For 'hot' as spicy, say 'piccante'.
'Caldo' agrees in gender/number: 'acqua calda' (fem.), 'caffè caldo' (masc.), 'le mani calde' (pl.).
In Southern Italy, 'caldo' can mean 'heatwave' (e.g., 'Fa un caldo tremendo').

heat

Che caldo fa oggi in città!
It's so hot in the city today!

Non sento più il caldo come prima.
I don't feel the heat like before.

In estate non sopporto il caldo.
In summer I can't stand the heat.

Word forms (2)

Word	Word forms
caldo	masculine · singular
caldi	masculine · plural

As a noun, caldo is less common than calore in formal or scientific contexts; caldo sounds more everyday and physical.
Do not confuse noun il caldo with adjective caldo: il caldo mi dà fastidio = the heat bothers me; acqua calda = hot water.
For weather, Italians often say fa caldo rather than using the noun alone.