Climate Report over Japan
Seasonal Highlights
- Seasonal mean temperatures were above normal nationwide, and significantly above normal in northern and western Japan, because warm-air inflow was stronger than normal.
- Seasonal sunshine durations were significantly above normal on the Sea of Japan side of northern and eastern Japan and on the Pacific side of northern Japan, and above normal on the Sea of Japan side of western Japan, because the regions were frequently covered with high-pressure systems in April and May. And seasonal precipitation amounts were below normal on the Sea of Japan side of northern, eastern, and western Japan and on the Pacific side of northern Japan.
- In Okinawa/Amami, seasonal precipitation amounts were significantly above normal and seasonal sunshine durations were below normal because the region was more affected by Baiu-front and moist air inflow in May.
Climate Anomaly Table Over Japan
Seasonal Climate Anomaly over Japan
Monthly Mean 500hPa GeoPotential Height
