Saint Pierre and Miquelon
cold and wet, with much mist and fog;
spring and autumn are windy

Saint Vincent and the Grenadines
tropical; little seasonal
temperature variation; rainy season (May to November)

Samoa
tropical; rainy season (November to April), dry season (May to
October)

San Marino
Mediterranean; mild to cool winters; warm, sunny summers

Sao Tome and Principe
tropical; hot, humid; one rainy season
(October to May)

Saudi Arabia
harsh, dry desert with great temperature extremes

Senegal
tropical; hot, humid; rainy season (May to November) has
strong southeast winds; dry season (December to April) dominated by
hot, dry, harmattan wind

Serbia and Montenegro
in the north, continental climate (cold
winters and hot, humid summers with well distributed rainfall);
central portion, continental and Mediterranean climate; to the
south, Adriatic climate along the coast, hot, dry summers and
autumns and relatively cold winters with heavy snowfall inland

Seychelles
tropical marine; humid; cooler season during southeast
monsoon (late May to September); warmer season during northwest
monsoon (March to May)

Sierra Leone
tropical; hot, humid; summer rainy season (May to
December); winter dry season (December to April)