Impersonal il — weather and time

that il is nobodyA1

In one line

In a handful of structures, il refers to nobody — it just fills the subject slot, because French cannot leave it empty.

The forms on this page

FormMeansSound
ilhe — but in these structures it points at nobody/il/

The table

UseExampleEnglishPronunciation
weatherIl fait chaud.it's hot/il fɛ ʃo/
precipitationIl pleut.
Il neige.
it's raining · it's snowing/il plø/ · /il nɛʒ/
clock timeIl est trois heures.it's three o'clock/il ɛ tʁwa.z‿œʁ/
existenceIl y a un livre.there is a book/il i a œ̃ livʁ/
necessityIl faut partir.we have to go/il fo paʁ.tiʁ/

Weather takes faire, not être

FrenchPronunciationEnglish
Il fait chaud./il fɛ ʃo/it's hot
Il fait froid./il fɛ fʁwa/it's cold
Il fait beau./il fɛ bo/the weather's nice
Il fait doux./il fɛ du/it's mild
Quel temps fait-il ?/kɛl tɑ̃ fɛ.t‿il/what's the weather like?

Exceptions

ExceptionWhat happens
Il pleut /il plø/ exists only with il /il/❌ nous pleuvons /nu plø.vɔ̃/ does not exist
Il est chaud /il ɛ ʃo/ means something else"he/it is hot" — about an object or a person
il y a /i.lja/ never goes pluralIl y a des livres. /il i a de livʁ/ — still il y a /i.lja/
il faut /il fo/ only ever takes il /il/it has no other person, but it does take tenses: il fallait /il fa.lɛ/
il faudra /il fo.dʁa/
il a fallu /il a fa.ly/
In the negative il y a /i.lja/ becomes il n'y a pas /il ni a pa/and then de /də/: Il n'y a pas de livre. /il nja pa də livʁ/

Examples

EnglishFrenchPronunciation
It's hotIl fait chaud./il fɛ ʃo/
It's coldIl fait froid./il fɛ fʁwa/
It's rainingIl pleut./il plø/
What's the weather like?Quel temps fait-il ?/kɛl tɑ̃ fɛ.t‿il/
There are trees in the parkIl y a des arbres au parc./i.lja de.zaʁbʁ o paʁk/
There's no bookIl n'y a pas de livre./il nja pa də livʁ/
It's three o'clockIl est trois heures./il ɛ tʁwa.z‿œʁ/
We have to goIl faut partir./il fo paʁ.tiʁ/

Common mistakes

❌✅Why
Il est chaud. (about the weather)Il fait chaud.Weather takes faire
Nous pleuvons.Il pleut.Only with il — as "we rain" is not English either
Ils y ont des livres.Il y a des livres.il y a never goes plural
Il n'y a pas un livre.Il n'y a pas de livre.The article drops in the negative
Elle fait chaud.Il fait chaud.That il has no gender — it is nobody

And English does exactly the same thing

"it's raining" — what is "it"?

English needs a dummy subject too, and uses the same trick.

Pronunciation
EnglishIt rains. — that "it" is not anything
FrenchIl pleut. — an equally meaningless il/il plø/ · /il/

So this construction is already yours. "It's raining", "it's three o'clock", "it's hot" — English fills the empty subject slot exactly as French does, and "we rain" is as impossible in English as nous pleuvons is in French.

Which means the one thing to actually learn here is the verb. English says weather is; French says weather does:

EnglishFrenchLiterallyPronunciation
it is hotIl fait chaud.it makes hot/il fɛ ʃo/
it is coldIl fait froid.it makes cold/il fɛ fʁwa/
it is three o'clockIl est trois heures.here French really does use être/il ɛ tʁwa.z‿œʁ/

Il est chaud is a real sentence — it just means "he is hot" or "it is hot to the touch". That is why the mistake is worth avoiding: it does not produce nonsense, it produces something else.

One place French is impersonal and English is not: Il faut partir — literally "it is necessary to leave", where English prefers a real subject, "we have to go". il faut has no other form at all, so build the sentence around it rather than looking for a subject.

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