Japan weather and travel
Japan heat alerts and regional conditions
See where heat conditions may affect your plans across Japan and use clear risk levels to decide when to rest, hydrate or avoid outdoor activity.
Plan around the heat
- Check regional conditions before sightseeing, hiking or long transfers.
- Prefer shade and air-conditioned locations, drink water regularly and take breaks.
- Follow local weather warnings and change plans when conditions become unsafe.
Weather observations and alerts can change by location and time. Confirm the latest official forecast before making a safety-critical decision.