Drought .
There is no standard collective noun for 'dry weather', however, the term sometimes used is a spell of dry weather.
That is a drought.
mintcondion
Climate.
No, the word 'climate' is not an adverb. It is a noun that refers to the average weather conditions in a particular region over a long period of time.
The root word of climatic is "climate," which refers to the typical weather conditions in a particular region over a long period of time.
The national weather service
Weather-over-a-period-of-time.
The word "molder" means to disintegrate or decay slowly, especially due to neglect. Books that are left in a basement for a long period of time will molder.
A period of 100 years is conveyed by the single word century.
decade
it means awesomeness. period.