2025 (Full Year)
Historical dataAverage temperatures and precipitation by season
Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)
Average temperatures and precipitation by month
Daily high, low, and average
Most notable conditions during this period
Load the same period from the previous 15 years.
Key findings from analysis for selected period
Temperature extremes from -1.7°C to 38.8°C. 47 cold days and 32 very hot days.
Tokyo has a high rainfall climate with 1322mm annual precipitation (3.6mm daily average). Wettest months: May (255mm), September (228mm), October (160mm).
The 3 most extreme of 37 notable days in this period:
Hottest day: 38.8°C
Very hot day: 38.5°C
Very hot day: 37.9°C
66 days with dangerous heat index levels (48.6°C average). Temperature 34.7°C combined with 69% humidity creates hazardous conditions.
Average humidity of 69% represents typical moderate moisture conditions. Generally comfortable range for most activities. Humidity varied significantly (25%-93% range).
Large humidity swings (25%-93%) for a year. Conditions ranged from dry to very humid.