Weather in Seoul

• All Year
• Summer
• Autumn
• Winter
• Spring

Yearly weather

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

Temperatures

• Seoul experiences a wide range of temperatures throughout the year.

• The months of January, February, and December are considered discomfort months due to temperatures below 5.0C.

• In contrast, June, July, August and September have temperatures in the comfort zone.

• August might be uncomfortable due to temperatures exceeding 30.0C.

Conditions

• In Seoul, the weather exhibits notable seasonal variations in both total sun hours and precipitation levels. Sun hours peak in May at 9.3 hours, while precipitation reaches its highest in July at 13.09 mm, indicating a trend where sunnier months correlate with relatively lower rainfall.

• The summer months, particularly July and August, show a drastic reduction in sun hours, suggesting overcast weather coinciding with the highest levels of precipitation, which may point to monsoonal influences during this period. Conversely, late spring and early autumn demonstrate a more balanced relationship between sunshine and rain, highlighting the transition of seasonal weather patterns in the city.

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.