Climate Report over Japan
Seasonal Highlights
-Seasonal mean temperatures were significantly above normal nationwide, because warm air covered nationwide. Seasonal mean temperatures were the highest in western Japan and Okinawa/Amami and tied with 2023 as the highest in eastern Japan on record for summer since 1946. The seasonal anomaly of the average temperature over Japan was +1.76 ℃ (tied with 2023 as the warmest for the season since 1898).
-Seasonal precipitation amounts were significantly above normal on the Pacific side of eastern Japan, and above normal on the Sea of Japan side of northern/western Japan, on the Pacific side of western Japan and in Okinawa/Amami, because the regions were affected by the Baiu-front and typhoons.
-Seasonal sunshine durations were significantly above normal on the Pacific side of eastern/western Japan and on the Sea of Japan side of western Japan, and above normal on the Pacific side of northern Japan and on the Sea of Japan side of eastern Japan, because high-pressure systems frequently covered these regions.
Climate Anomaly Table Over Japan
Seasonal Climate Anomaly over Japan
Monthly Mean 500hPa GeoPotential Height
