Weather in Seoul

• All Year
• Winter
• Spring
• Summer
• Autumn

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Seoul experiences a significant temperature variation throughout the year, with the hottest month being July, averaging a maximum of 85.8°F.

• In contrast, January records the lowest temperatures, with a maximum of only 35.4°F, showcasing a stark difference of nearly 50°F between the highest and lowest monthly averages.

Conditions

• In Seoul, total sun hours show a distinct seasonal trend, peaking in May with 8.5 hours before dropping significantly during the summer months of July and August, where sun hours fall to 3.9 and 4.1 hours, respectively.

• Conversely, precipitation levels escalate during the same summer months, with July and August experiencing the highest amounts at 0.44 and 0.43 inches, indicating a clear inverse relationship between sun hours and rainfall during this period.

Astronomy

• In Seoul, there is a significant variation in sunrise and sunset times throughout the year, with the earliest sunrise occurring in June and the latest in January, highlighting the substantial seasonal shifts.

• The shortest day, occurring in December, lasts only 9 hours and 37 minutes, while the longest day in June extends for 14 hours and 42 minutes, demonstrating the dramatic contrast in daylight exposure between winter and summer months.