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
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.