2026 Climate Averages

Weather in Seoul in January

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

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Climate Overview

January is a good time to visit Seoul. Seoul has a Moderate climate with average yearly highs of 5°C, lows of -4°C, and approximately 4 rainy days per month.

Avg High

5°C

Avg Low

-4°C

Rainy days

4days

Daylight

9.8h

Is January a good time to visit Seoul?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Daylight

Sunrise

7:47 AM

Sunset

5:37 PM

Live January Forecast

LIVE

Forecast for your trip dates

Up to 16 days ahead
Weather by Month
Monthly weather data
Month High Low Rainy days Condition
January 5°C -4°C 4 Good
February 6°C -3°C 7 Good
March 12°C 0°C 5 Good
April 16°C 4°C 2 Excellent (best)
May 22°C 12°C 10 Excellent (best)
June 28°C 18°C 10 Good
July 27°C 20°C 20 Wet
August 29°C 23°C 21 Wet
September 24°C 16°C 13 Excellent (best)
October 18°C 8°C 3 Excellent (best)
November 11°C 2°C 6 Good
December 3°C -6°C 1 Good

Weather data: Open-Meteo Archive (2020-2025) • Open-Meteo.com (CC BY 4.0) • Historical avg. 2020–2025

What to Pack for January

Warm coat, scarf, gloves, thermal layers, and waterproof boots.

Climate: Moderate
Travel Context Perfect weather for walking tours and all-day sightseeing.

Planning a trip to Seoul?

Common Questions

Is January a good time to visit Seoul? +

January is typically Good for visiting Seoul, with average highs of 5°C and around 4 rainy days.

What should I pack for Seoul in January? +

With highs of 5°C and lows of -4°C in {month}, we recommend: Warm coat, scarf, gloves, thermal layers, and waterproof boots.

Does it rain a lot in Seoul in January? +

Seoul typically sees around 4 rainy days in January.

How many hours of daylight are there in Seoul in January? +

In January, Seoul gets approximately 9.8 hours of daylight per day.

Is January peak season in Seoul? +

No, January is not peak season in Seoul. Expect better value on accommodation and fewer tourists.

What is the best month to visit Seoul? +

The best months to visit Seoul are April, May, September, October, when the weather is optimal for sightseeing.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Asia/Seoul)

Last Updated: January 2026

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Complete travel guide for Seoul: top things to do, itineraries, and typical costs.

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January

/ -4°
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