Tokyo heat wave begins early in 2025 as record temperatures hit the capital and beyond.On Tuesday, the city experienced its first day of the year with temperatures above 30°C. A powerful high-pressure system settled over Japan, sending temperatures soaring nationwide. Western Tokyo’s Hachioji recorded a sweltering 33.5°C by early afternoon. Central areas such as Chiyoda Ward reached 31.1°C, prompting concern among residents. The heat drove many people indoors far earlier than usual.
Therefore, Tokyo heat wave begins early and spreads rapidly across the country.Many cities outside the capital also reported unusually high temperatures for this time of year. In Yamanashi Prefecture, Otsuki reached a peak of 34°C. Toyooka in Hyogo and parts of Tottori Prefecture also surpassed the 30°C threshold. Meteorologists observed that these levels usually occur in mid-summer. The early onset of extreme heat has already sparked public health warnings.
Moreover, Tokyo heat wave begins early and is already altering daily routines.Commuters and workers adjusted schedules to avoid the hottest hours of the day. Residents walked under umbrellas and carried portable fans. A 57-year-old woman in Chuo Ward said she planned to finish errands before noon. “It’s clammy and hot—I just want to get home fast,” she said. Crowds thinned quickly after midday as temperatures climbed even higher.
Additionally, officials are warning the public to stay alert as conditions worsen.The Japan Meteorological Agency issued a nationwide heat advisory on Tuesday afternoon. Officials urge citizens to stay hydrated and limit time outside.Authorities stressed the importance of using air conditioning and checking on the elderly. Hospitals and emergency teams are preparing for a spike in heatstroke cases. Public messaging campaigns are being deployed to raise awareness.
Meteorologists expect more hot days to follow.Experts say the heat wave is likely to persist throughout the week. They blame persistent high pressure and long-term climate shifts. Tokyo’s summer is starting earlier than expected this year. Rising heat now threatens to become a year-round concern. Residents are bracing for what could be a long, sweltering season.
