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.
Tokyo, Japan, has seen record hot summers in recent years. (Photo: Tokyo image by Undersound from Fotolia.com ) For most of the year, the weather should be fine for traveling to Tokyo. The city typically has moderate weather, and it's comparable to the weather in the Mid-Atlantic states. This could be changing, as Tokyo has seen its summer temperatures increasing. The other problem with summer travel is that you could wind up traveling in typhoon season.