welcome rain; beneficial rain; blessed rain; rain that comes after a drought
長い乾燥の後に慈雨が降り注いだ。
Blessed rain poured down after a long dry spell.
農民たちは慈雨を心から喜んだ。
The farmers were overjoyed by the welcome rain.
慈雨のおかげで畑が生き返った。
Thanks to the blessed rain, the fields came back to life.