Loud thunders. Powerful lightning. A dark cloud. The loud sound of a trumpet. The House of Israel heard and saw these things and trembled with fear. It was on the Feast of Weeks after their journey out of Egypt when Jesus Christ gave the 10 Commandments (Exodus 19:16).
However, there is no mention of rain. Water often symbolizes the Holy Spirit, and God did not give them the Holy Spirit. Without the Holy Spirit, they did not have the heart to keep God