HIV/AIDS in Myanmar national government, in 2005, spent US$137,120 (K150,831,600) on HIV, while international donors (the governments of Norway, the Netherlands, United Kingdom, and Sweden) donated US$27,711,813 towards HIV programmes in Burma. Burma (ranked 51 out of 166 countries) has one of Asia's highest adult HIV prevalence rates, following Cambodia and Thailand. An estimated 20,000 (range of 11,000 to 35,000) die from HIV/AIDS annually. In geographic terms, the lowest rates of HIV were in the West (Rakhine and Chin State), while intermediate rates were in the central region (Ayeyarwady, Mandalay, Magway, Sagaing, Yangon and Bago Regions), and the highest infection rates were in
Yangon through October where a substantial amount of rainfall is received; and a dry season from November through April, where little rainfall is seen. It is primarily due to the heavy rainfall received during the rainy season that Yangon falls under the tropical monsoon climate category. During the course of the year 1961 to 1990s, average temperatures show little variance, with average highs ranging from and average lows ranging from . Until the mid-1990s, Yangon remained largely constrained to its traditional peninsula setting between the Bago, Yangon and Hlaing Rivers. People moved in, but little of the city moved out. Maps