Seoul Weather

2026 (This Year)

Historical data
Average Temperature
18.1 °C
High
/
8.6 °C
Low
763.6mm
Precipitation
38.6°C
Peak Temp
-14.8°C
Low Temp
223
Days Count

Seasonal Breakdown

Average temperatures and precipitation by season

Spring

92 days
18.7°C
Avg High
/
7.9°C
Avg Low
Precipitation
206.6mm

Summer

72 days
30.4°C
Avg High
/
22.0°C
Avg Low
Precipitation
538.9mm

Winter

59 days
2.3°C
Avg High
/
-6.7°C
Avg Low
Precipitation
18.1mm

Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)

Monthly Breakdown

Average temperatures and precipitation by month

January

31 days
-1.0°C / -9.3°C
Avg High / Low
Precipitation
14.7mm

February

28 days
5.8°C / -3.8°C
Avg High / Low
Precipitation
3.4mm

March

31 days
11.8°C / 1.5°C
Avg High / Low
Precipitation
41.5mm

April

30 days
19.7°C / 8.2°C
Avg High / Low
Precipitation
53.0mm

May

31 days
24.6°C / 14.2°C
Avg High / Low
Precipitation
112.1mm

June

30 days
29.3°C / 19.0°C
Avg High / Low
Precipitation
106.5mm

July

31 days
29.8°C / 23.4°C
Avg High / Low
Precipitation
405.8mm

August

11 days
35.4°C / 26.0°C
Avg High / Low
Precipitation
26.6mm

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

38.6°C
Thursday, August 6

Coolest Day

-7.3°C
Wednesday, January 21

Period Low

-14.8°C
Thursday, January 22
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: Seoul
Period: 2026-01-01 to 2026-08-11

Weather Insights

Key findings from analysis for selected period

Extreme Temperature Variations

Worth noting

Temperature extremes from -14.8°C to 38.6°C. 62 cold days and 5 very hot days.

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: July (406mm), May (112mm)
Driest: February (3mm), January (15mm)

Temperature Patterns (Monthly Averages):
Hottest months: July (29.8°C), June (29.3°C)
Coolest months: January (-1.0°C), February (5.8°C)

Travel Recommendations:
Best visiting months: April, May (optimal temperature and rainfall balance).
⚠️

41 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 41 notable days in this period:

Aug 6 Heat

Hottest day: 38.6°C

Aug 7 Heat

Very hot day: 38.4°C

Aug 5 Heat

Very hot day: 37.5°C

23 Extreme Heat Index Days

Worth noting

23 days with dangerous heat index levels (47.0°C average). Temperature 33.3°C combined with 76% humidity creates hazardous conditions.

🌤️

Moderate Humidity Levels

Notable

Average humidity of 65% represents typical moderate moisture conditions. Generally comfortable range for most activities. Humidity varied significantly (29%-95% range).

📊

Highly Variable Humidity

Info

Large humidity swings (29%-95%) for a year. Conditions ranged from dry to very humid.

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Data Source

Weather data provided by Open-Meteo, offering reliable historical weather information from meteorological stations worldwide.

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