Tunisia, republic of northern Africa, bounded on the north and east
by the Mediterranean Sea, on the south by Libya, and on the west
by Algeria. The total area is 164,418 sq km (63,482 sq mi).
In general, a mild Mediterranean climate prevails in the north of
Tunisia; toward the south the climate becomes progressively hotter
and drier. In the north, temperatures average 8.9° C (48° F) in
January and 25.6° C (78° F) in July.
The northern regions have a rainy season that lasts from October
to May. Average annual rainfall is about 610 mm (about 24 in) but
may vary greatly from year to year. Annual rainfall decreases to
the south and is only about 200 mm (about 8 in) in the Sahara.