Historical Weather for Seoul, South Korea
Showing historical weather data for 1 Jan to 31 Dec over the last 5 years (2025-2025).
Date window
Seoul, Seoul, South Korea (01-01 → 31-12)
Years 2025–2025 · Source: Meteostat
Showing 1 year series with 365 days for Seoul, Seoul, South Korea.
Latest Year Summary (2025)
Computed from observed daily Meteostat data for 2025 across the selected date window.
Average temperature
13.4°C
Long-term average unavailable
Total rainfall
1,261.5 mm
Across 2025 in the selected period
Rainfall details
- 🌧️ 172 rain days
- 💧 Wettest day: 2025-09-13 — 58.2 mm
Notable conditions
- 🔥 Heatwave days: 31
- 🥶 Frost days: 99
- ❄️ Snow days: 29
- 🌧️ Heavy rain days: 23
Average pressure
1,015.9 hPa
Weekly Rainfall Totals (2025)
Anomaly vs normal
n/a
No data
Record extremes
Daytime High: 38.5°C · 29 Jul 2025
Nighttime Low: -12.4°C · 09 Jan 2025
Precip & wind peaks
Rain: 58.2 mm · 13 Sept 2025
Wind: 15.8 kts · 13 Apr 2025
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How to read this weather history
Observed daily conditions for Seoul, Seoul, South Korea
The summary cards surface the main pattern first, while the chart and table below keep every day inspectable. Use this page for like-for-like date comparisons across years, not as a forecast.
Latest coverage
2025 · 365 days
01 Jan → 31 Dec from Meteostat.
Year span
2025
This view currently contains a single year of observations.
Observed extremes
High 38.5°C · Low -12.4°C
29 Jul 2025 to 09 Jan 2025 across 1 years.
Only one year is available for this selection, so the chart works best as a dated record of what happened rather than a long-term normal.
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Average temperature
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2025
365 days01 Jan → 31 Dec
Temperature
High: -7.3°C → 38.5°C
Low: -12.4°C → 28.1°C
Precipitation
Rain: 1,261.5 mm
Snow: 313.1 cm
Wind
12.1 km/h avg · 29.2 km/h peak
Accessible data table
Daily values for the first series (showing up to 30 rows)
| Day | High (°C) | Low (°C) | Rain (mm) (mm) | Snow (cm) (cm) | Wind (kts) (km/h) | Conditions |
|---|---|---|---|---|---|---|
| 01 Jan | 6.8°C | -3.4°C | 0.0 mm | 0.0 cm | 13.9 km/h | — |
| 02 Jan | 4.2°C | -4.1°C | 0.0 mm | 0.0 cm | 10.7 km/h | — |
| 03 Jan | 1.0°C | -5.4°C | 0.0 mm | 0.0 cm | 13.6 km/h | — |
| 04 Jan | 2.8°C | -5.3°C | 0.0 mm | 0.0 cm | 8.6 km/h | — |
| 05 Jan | 3.0°C | -1.6°C | 7.1 mm | 44.8 cm | 11.6 km/h | — |
| 06 Jan | 1.2°C | -5.2°C | 3.1 mm | 18.9 cm | 15.9 km/h | — |
| 07 Jan | -0.1°C | -10.0°C | 0.0 mm | 0.0 cm | 17.7 km/h | — |
| 08 Jan | 0.1°C | -6.8°C | 0.0 mm | 0.0 cm | 15.8 km/h | — |
| 09 Jan | -7.3°C | -12.4°C | 0.0 mm | 0.0 cm | 22.3 km/h | — |
| 10 Jan | -3.7°C | -12.4°C | 0.0 mm | 0.0 cm | 9.3 km/h | — |
| 11 Jan | -2.3°C | -10.1°C | 0.0 mm | 0.0 cm | 6.6 km/h | — |
| 12 Jan | 1.0°C | -7.6°C | 0.0 mm | 0.0 cm | 7.7 km/h | — |
| 13 Jan | 4.0°C | -4.9°C | 0.7 mm | 5.6 cm | 14.0 km/h | — |
| 14 Jan | 5.3°C | -2.4°C | 0.5 mm | 0.0 cm | 13.5 km/h | — |
| 15 Jan | -2.5°C | -6.1°C | 0.0 mm | 0.0 cm | 15.5 km/h | — |
| 16 Jan | 2.2°C | -5.1°C | 0.1 mm | 0.7 cm | 15.6 km/h | — |
| 17 Jan | 3.2°C | -6.8°C | 0.0 mm | 0.0 cm | 7.4 km/h | — |
| 18 Jan | 4.5°C | -4.2°C | 0.0 mm | 0.0 cm | 5.4 km/h | — |
| 19 Jan | 6.2°C | -2.9°C | 0.0 mm | 0.0 cm | 7.8 km/h | — |
| 20 Jan | 4.8°C | -1.0°C | 0.1 mm | 0.0 cm | 8.0 km/h | — |
| 21 Jan | 6.3°C | -1.0°C | 0.0 mm | n/a | 5.2 km/h | — |
| 22 Jan | 7.5°C | 1.3°C | 0.0 mm | n/a | 6.9 km/h | — |
| 23 Jan | 7.7°C | -2.3°C | 0.0 mm | n/a | 6.0 km/h | — |
| 24 Jan | 7.3°C | -3.2°C | 0.0 mm | 0.0 cm | 6.9 km/h | — |
| 25 Jan | 7.9°C | -0.4°C | 0.0 mm | 0.0 cm | 14.4 km/h | — |
| 26 Jan | 5.7°C | -0.8°C | 0.0 mm | 0.0 cm | 10.3 km/h | — |
| 27 Jan | 1.8°C | -4.4°C | 5.3 mm | 33.6 cm | 19.2 km/h | — |
| 28 Jan | -4.4°C | -6.2°C | 0.1 mm | 0.7 cm | 21.1 km/h | — |
| 29 Jan | -4.5°C | -9.0°C | 0.0 mm | 0.0 cm | 18.4 km/h | — |
| 30 Jan | -1.4°C | -8.8°C | 0.0 mm | 0.0 cm | 9.6 km/h | — |
Use this table for screen readers or to copy data. Values reflect the visible window.
Seoul Weather FAQ
Common questions about weather in Seoul, South Korea.
- Which month is usually hottest in Seoul?
- Based on monthly observations from 2015–2025, Seoul, South Korea is usually hottest in July, when average daytime highs reach 29.5°C. Overnight lows in July average 22.6°C.
- Which month is usually coldest in Seoul?
- Based on monthly observations from 2015–2025, Seoul, South Korea is coldest in January, with average nighttime lows around -6.7°C. Daytime highs in January average 2.2°C. The coldest reading in the archive for that month dropped to -18.5°C.
- Which month has the highest average daily precipitation in Seoul?
- Based on monthly observations from 2015–2025, August has the highest average daily precipitation in Seoul, South Korea at 11.4mm. That is wetter than January, the driest month in the archive at 0.7mm.
- Which month is usually driest in Seoul?
- Based on monthly observations from 2015–2025, January is the driest month in Seoul, South Korea, averaging 0.7mm of precipitation on a typical observed day. August is the wettest month by the same measure at 11.4mm.
- How large is the seasonal temperature swing in Seoul?
- Based on monthly observations from 2015–2025, Typical warm-season highs peak in July at 29.5°C, while the lowest average night temperatures arrive in January at -6.7°C. That puts the city's warm-to-cold seasonal swing at roughly 36.2°C.
- Which months in Seoul have average nighttime lows at or below freezing?
- Based on monthly observations from 2015–2025, Seoul, South Korea records average nighttime lows at or below 0°C in January and December. The lowest average low comes in January at -6.7°C.