par intermittence
What's that light down there blinking on and off?
C’est quoi, cette lumière qui clignote là-bas ?
— La Dolce Vita (1960)
Il neige par intermittence.
Il a plu par intermittence toute la journée.
It was raining on and off all through the night.
Il a plu par intermittence toute la nuit.
It has been raining on and off since the day before yesterday.
Il pleut par intermittence depuis avant-hier.
It has been snowing on and off.
Il a neigé par intermittence.