Public health is the science of protecting and improving the health of families and communities through promotion of healthy lifestyles, research for disease and injury prevention and detection and control of infectious diseases.
In the spring, southern and western Japan can be quite warm and sunny, from 59 to 77 degrees. Northern Japan ranges from 50 to 68 degrees. Snow remains on the hills into April or May in northern areas. And like Spring in much of the U.S., weather can range significantly from mild, to warm, to cold, on a daily basis.
According to the 30 year normals (1981-2010) by Japan Meteorological Agency, the average yearly temperatures for central Tokyo is 16.3 degrees C, for Sapporo-city in Hokkaido is 8.9 degrees C, and for Naha-city in Okinawa is 23.1 degrees C. The weather averages are good indicators of what to expect any month.lso, August to October is the peak typhoon season in Japan. It's important to check the weather often during the season. Please refer to weather warnings and typhoon statistics (Japanese site) by Japan Meteorological Agency. According to the Japan Meteorological Agency, there are 108 active volcanoes in Japan.