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.
The following weather averages for Japanese cities are representative of the major regions of Japan: September is the rainiest month of the year in Tokyo. Tokyo is generally a rainy city with annual rainfall of 1528 mm that makes other rainy cities such as Vancouver (1153 mm) and London (601 mm) look dry. Tokyoites are accustomed to the rain and it doesn't slow down the pace of life. A reasonably good umbrella can be purchased in Tokyo for 1000 yen or less.