CLIMATE NOTES · December
36.35°N 127.38°E · Asia/Seoul
CLIMATE NOTES · December
Daejeon · 🇰🇷 South Korea

Daejeon Weather in December: Climate, Temperature & Travel Tips

Avg 0.8°C · 29mm rain — December is winter in Daejeon.

AT A GLANCE
Avg High
-3° Avg Low
29 Rain mm
Winter Season
December climate normals
Avg high
5.3 °C
Avg low
-3.0 °C
Avg
0.8 °C
Precipitation
29 mm
ANNUAL CLIMATE
Daejeon · Annual Climate 0 -10°40° °C 0118236 mm JFMAMJJASOND TEMP RANGE · AVG · RAINFALL

Source: Open-Meteo Archive 2014–2023 · 10-year climate normals

Climate Overview

December in Daejeon, South Korea brings winter conditions: average temperature 0.8°C, average high 5.3°C, average low -3.0°C. Monthly rainfall averages 29mm, making it a drier time of year.

Pack winter clothing to stay comfortable during outdoor excursions.

What to Pack

  • Heavy winter coat, thermal layers, gloves, hat
  • Insulated waterproof boots

Best Things to Do

  • Indoor museums, markets, and cafes
  • Hot springs or indoor thermal facilities
  • Evening illuminations and festivals (if any)

Pros and Cons of Visiting in December

Pros:

  • Low rainfall — minimal disruption to outdoor plans

Cons:

  • Cold conditions require winter gear

Climate source: Open-Meteo Archive (2014–2023).

PACKING ESSENTIALS
01 Layered shell Windproof outer with removable mid-layer fleece
02 Light sweater Merino or cotton for mild afternoons
03 Waterproof shoes Cool months bring rain; keep feet dry
04 Scarf Adds warmth without bulk
05 Compact umbrella Shoulder season showers are common
YEAR AT A GLANCE
J
F
M
A
M
J
J
A
S
O
N
D

Colour = avg temperature · blue = cool · orange = warm

HOTTEST MONTHS
  1. 1 August 26.2°C
  2. 2 July 25.7°C
  3. 3 June 23.0°C
COOLEST MONTHS
  1. 1 January -0.6°C
  2. 2 December 0.8°C
  3. 3 February 1.3°C
Q&A

FAQ

01 What is the average temperature in Daejeon in December?
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The average is 0.8°C, with a high of 5°C and a low of -3°C.

02 What is Daejeon like to visit in December?
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It is winter in Daejeon, which is cool — bring warm clothes.

03 Does it rain often in Daejeon during December?
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Average rainfall is 29mm, which is low.

04 What should I pack for Daejeon in December?
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Heavy winter coat, thermal layers, gloves, hat; Insulated waterproof boots.

05 Is December a peak travel season for Daejeon?
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It is closer to off-season, with more reasonable prices and fewer crowds.

06 Where does this climate data come from?
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Monthly averages computed from Open-Meteo Archive 2014–2023 daily observations.

Sources
Open-Meteo Archive 2014-2023
Updated
2026-04-17

Climate normals are averages; individual years vary.