Key Facts
• July 6: Memanbetsu Airport in Hokkaido recorded 35.0°C, marking the first heatwave of the season.
• July 7: Obihiro in Tokachi region is forecasted to reach 37°C, with a second consecutive heatwave likely.
• Heatwave conditions caused by warm, moist air and high-pressure systems over Hokkaido.
• Temperatures at 1,500 meters above ground are 7°C higher than average.
• Heatstroke risks are elevated; hydration and cooling measures are strongly advised.
• Food safety concerns: Avoid leaving food at room temperature and ensure proper hygiene.
• July 8: Cooler, drier air expected, bringing more comfortable weather conditions.
• July 13: Warm, humid air may return, leading to another period of muggy weather.
Summary
Hokkaido experienced its first heatwave of the season on July 6, with temperatures reaching 35.0°C at Memanbetsu Airport. Extreme heat is expected to continue on July 7, with Obihiro forecasted to hit 37°C, marking a potential second consecutive heatwave. The heatwave is driven by warm, moist air and high-pressure systems, with temperatures significantly above seasonal averages. Residents are urged to take precautions against heatstroke and foodborne illnesses. Relief is expected from July 8, as cooler, drier air moves in, but warm, humid conditions may return by July 13.
