extremely hot day; day with max temp ≥ 35°C
Official Japanese meteorological term for a day when the maximum temperature reaches 35°C or higher. Often used in weather forecasts and news.
Today is expected to be an extremely hot day (max temp ≥ 35°C).
今年は猛暑日が続いています。
This year, extremely hot days have been continuing.
Extremely hot days (35°C+) have been continuing in Tokyo this week.
I heard that tomorrow will be the first day this year to reach 35°C or higher.
Osaka has already recorded over ten extremely hot days (35°C+) this year.