Q- Is there any Hadith that mentions that rain falling out of season is a sign of Allah’s anger?
Imam Bayhaqi (rahimahullah) has recorded a similar narration reported on the authority of Sayyiduna ‘Umar ibnul Khattab (radiyallahu ‘anhu) as the statement of Nabi Musa or Nabi ‘Isa (‘alayhimas salam).
He (Musa/‘Isa [‘alayhimas salam]) then asked: “O my Rabb! What is the sign of [Your] anger? Allah Ta’ala replied: “That I send rain to them during their harvesting season and I hold it back during their planting season…” (Shu’abul Iman, Hadith: 7007)
However, the chain contains an unreliable narrator. (Refer: Lisanul Mizan, vol. 6 pg. 22, Number: 5491)
Imam Abul Qasim Al Isbahani (rahimahullah) has also recorded this narration with another chain. However, ‘Allamah Dhahabi (rahimahullah) has declared the narration unreliable (munkar). (At Targhib Wat Tarhib of Abul Qasim Al Isbahani, Hadith: 548. Refer: Lisanul Mizan, vol. 8 pg. 461, number: 8494)
The narration should therefore not be quoted.
https://hadithanswers.com/raining-out-of-season/
And Allah Ta’ala Knows best.