2025 (Full Year)
Average temperatures and rainfall by season
Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)
Daily high, low, and average
Most notable conditions during this period
Analyzing 15 years of historical data...
Key findings from analysis for selected period
Temperature extremes from -13.3°C to 38.8°C. 111 cold days and 15 very hot days.
Seoul has a high rainfall climate with 1334mm annual precipitation (3.7mm daily average). Wettest months: September (298mm), July (235mm), August (205mm).
The 3 most extreme of 59 notable days in this period:
Hottest day: 38.8°C
Very hot day: 38.7°C
Very hot day: 38.3°C
44 days with dangerous heat index levels (45.7°C average). Temperature 33.6°C combined with 72% humidity creates hazardous conditions.
Average humidity of 71% indicates persistently moist air conditions. Heat sensation amplified during warm periods (17.7°C average temperature). Humidity varied significantly (33%-95% range).
Large humidity swings (33%-95%) for a year. Conditions ranged from dry to very humid.