Question

An unusually long period during which rainfall is below average

Answer 1

The correct answer is - drought/dry season.

This can be taken in two ways;

- A long period with little to no rain, that is not typical for the climate type of the particular place;

In this case, we are talking about a drought, when there is a period of little to no rain, that is not usually appearing at that place, but instead changed the typical climate pattern.

- A long period with little to no rain, that is typical for the climate type of the particular place;

In this case, we are talking about a dry season, and this appears at places where there's climate types where there's wet season and dry season. In this places this is a typical, expected occurrence because it is in the right order with the climate pattern of the place.

Answer 2

Dry season or drought