moderates with elevation; cool and
dry from May to November, hot and rainy from November to April

Romania
temperate; cold, cloudy winters with frequent snow and fog;
sunny summers with frequent showers and thunderstorms

Russia
ranges from steppes in the south through humid continental in
much of European Russia; subarctic in Siberia to tundra climate in
the polar north; winters vary from cool along Black Sea coast to
frigid in Siberia; summers vary from warm in the steppes to cool
along Arctic coast

Rwanda
temperate; two rainy seasons (February to April, November to
January); mild in mountains with frost and snow possible

Saint Helena
Saint Helena - tropical; marine; mild, tempered by
trade winds; Tristan da Cunha - temperate; marine, mild, tempered by
trade winds (tends to be cooler than Saint Helena)

Saint Kitts and Nevis
tropical tempered by constant sea breezes;
little seasonal temperature variation; rainy season (May to November)

Saint Lucia
tropical, moderated by northeast trade winds; dry season
from January to April, rainy season from May to August

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)

Singapore
tropical; hot