Kosai-shi Weather Today

Climate and Weather in Kosai-shi, Japan

Kosai-shi is a city located in the Shizuoka Prefecture of Japan. Situated in the southern part of the country, Kosai-shi experiences a humid subtropical climate. The city is known for its mild winters, hot and humid summers, and abundant rainfall throughout the year.

Temperature

The temperature in Kosai-shi varies significantly throughout the year. The summers are hot and humid, with average high temperatures ranging from 28°C (82°F) to 32°C (90°F) in July and August. The nights are generally cooler, with lows ranging from 20°C (68°F) to 24°C (75°F).

Winters in Kosai-shi are relatively mild, with average high temperatures ranging from 11°C (52°F) to 14°C (57°F) in December and January. However, temperatures can occasionally drop below freezing, especially during the night. Average low temperatures during winter range from 2°C (36°F) to 5°C (41°F).

Rainfall

Kosai-shi receives a significant amount of rainfall throughout the year. The wettest months are June and September, with an average monthly rainfall of around 300mm (12 inches). The city experiences a rainy season, known as "tsuyu," from June to July, during which heavy rainfall and occasional thunderstorms are common.

Autumn and winter are relatively drier, with average monthly rainfall ranging from 50mm (2 inches) to 100mm (4 inches). However, it is important to note that rainfall can still occur during these months, albeit in lesser amounts.

Sunshine

Kosai-shi enjoys a fair amount of sunshine throughout the year. The sunniest months are April and May, with an average of 7 to 8 hours of sunshine per day. During the summer months, the sunshine duration decreases slightly due to cloud cover and increased precipitation.

Wind

The coastal location of Kosai-shi makes it susceptible to coastal winds. The prevailing winds in the region are from the southwest during the summer months and from the northwest during the winter months. These winds can occasionally be strong, especially during typhoon season, which typically occurs between June and October.

Typhoons

Kosai-shi is located in an area prone to typhoons. Typhoon season, also known as "typhoon alley," runs from June to October, with the peak occurring in August and September. These tropical cyclones can bring heavy rain, strong winds, and potential flooding to the region. It is important for residents and visitors to stay updated on weather forecasts and follow any instructions or warnings issued by local authorities during typhoon events.

Climate Summary

Overall, Kosai-shi experiences a humid subtropical climate with mild winters, hot and humid summers, and abundant rainfall throughout the year. The city's coastal location also makes it susceptible to typhoons during the summer and early autumn months. It is advisable to check the weather forecast and be prepared for changing weather conditions when visiting or residing in Kosai-shi.