Saint Vincent and the Grenadines:
tropical; little seasonal
temperature variation; rainy season (May to November)
Samoa:
tropical; rainy season (October to March), 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 extremes of temperature
Senegal:
tropical; hot, humid; rainy season (May to November) has
strong southeast winds; dry season (December to April) dominated by
hot, dry, harmattan wind
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, humid, rainy; two distinct monsoon seasons
- Northeastern monsoon from December to March and Southwestern
monsoon from June to September; inter-monsoon - frequent afternoon
and early evening thunderstorms
Slovakia:
temperate; cool summers; cold, cloudy, humid winters