The phrase "almost arid" is correct and usable in written English.
It can be used to describe a region or climate that is nearly dry or lacking in moisture, but not completely so.
Example: "The landscape was almost arid, with only a few sparse patches of vegetation dotting the otherwise barren terrain."
Alternatives: "nearly dry" or "barely humid".
Norman, the author of "The Museum Guard" and "The Bird Artist" along with several other books, is a gentle, deliberate writer, and his humor is smart and dry, sometimes almost arid.
With respect to the central issue of drought, the basin shows a perfect range of climatic conditions, varying from sub-humid in the southern and eastern parts, through semi-arid in the majority of the watershed to almost arid conditions in some central parts.
The system packed sustained winds of almost 150 miles per hour and threatened to bring dangerous torrential rains to two of the most arid countries in the world.
Construction of the canal led to the growth of settlements in what had been, except for Suez, almost uninhabited arid territory.
There is so little rainfall that it is almost as arid as a desert, indeed it was one of the backdrops for spaghetti western films in the 1960s.
He particularly pointed to the absence of Drosera species from almost all arid climate zones, countless rainforests, the American Pacific Coast, Polynesia, the Mediterranean region, and North Africa, as well as the scarcity of species diversity in temperate zones, such as Europe and North America.
The land in Los Monegros in Aragon in northeastern Spain, is almost as arid as a desert.
Egypt is almost totally arid and all water enters the country through the Nile.
Conditions vary sharply across regions from extremely wet on the West Coast of the South Island to almost semi-arid in Central Otago and the Mackenzie Basin of inland Canterbury and subtropical in Northland.
For this you can almost forgive the arid crab beignets ($8).
Concentrated in the Columbia River Valley, an arid, almost desertlike region east of the Cascade Mountains, the area is not easily accessible from the well-traveled coastal corridor.
