On Feb 23, 2012, Japan Meteorological Agency released the latest long-term forecast. It will become warmer in March and West Japan may be hot in Summer.
In March, La Nina conditions, which have caused colder winter, may loosen up. The temperature will go back to normal or a little warmer than the average. The low and high pressure systems tend to come and go in these period. Rainy and sunny weather would come and go in cycles.
In April, the sunny weather may continue in the most of Japan. North Japan may be the same temperature or warmer. East and West Japan would be the average.
In May, the temperature continue to be the same as the average or a bit higher.
From June to August, Japan will have the average rainy "Tsuyu" season. The summer temperature would be as the same as average or a bit hotter than the average. (It means cooler than the previous year of 2011).
In summer, the Tokyo High temp could go up as much as 35 C (95 F) and 80% of humidity.
It looks like it's going to be an another hot summer in Japan. Be prepared to have some fun!
[Stats] The average annual temp. of Tokyo
|Avg High||Avg Low||Average Rain and Snow|
|Month||C||F||C||F||Precipitation (mm)||Rain Days|
SOURCE: World Weather Organization