Climate Report over Japan
Seasonal Highlights
- Seasonal mean temperatures were significantly above normal nationwide, due to warm-air covered in September, and remarkably weak cold air inflow from the continent in November.
- Seasonal precipitation amounts were significantly below normal on the Pacific side of northern Japan, due to high-pressure systems frequently covered the region and weaker influences of low-pressure systems. On the other hand, there were significantly above normal in Okinawa/Amami, due to typhoons, fronts, and moist air inflow.
- Seasonal sunshine durations were significantly above normal on the Sea of Japan side of northern/eastern/western Japan, due to high-pressure systems that frequently covered the regions and weak winter monsoon in the latter half of the season.
Climate Anomaly Table Over Japan
Seasonal Climate Anomaly over Japan
Monthly Mean 500hPa GeoPotential Height
