How to Say "warmth" in Spanish
The Spanish word for “warmth” is “calor” — A1 level. This is a very common word in everyday Spanish.

Examples
Hace mucho calor en verano aquí.
It is very hot in the summer here.
Tengo tanto calor que necesito un helado.
I am so hot that I need an ice cream.
El calor del fuego nos mantuvo cómodos.
The warmth of the fire kept us comfortable.
Masculine Noun Rule
Even though 'calor' ends in '-or', it is a masculine noun. Always use 'el' before it (el calor).
Feeling Hot: Tener vs. Estar
To talk about feeling hot, Spanish uses the verb 'tener' (to have). You say 'Tengo calor' (I have heat), NOT 'Soy/Estoy caliente'.
Mixing up the feeling and the object
Mistake: “Estoy caliente. (I am hot.)”
Correction: Tengo calor. ('Estoy caliente' usually refers to being sexually aroused, which is usually not what you mean!)
Using 'hacer' incorrectly
Mistake: “El día es calor.”
Correction: The correct way to talk about the weather is 'Hace calor' (It makes heat).
Other Meanings of “calor”
“calor” can also mean:
- friendliness, emotional welcome(B1)
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