Daejeon, South Korea Weather

Daejeon,  Weather
(Photo by rawkkim on Unsplash)

Current conditions

Updated:
17°C
62.6°F
°C °F

Condition: Clear Sky

Pressure: 1,011 hPa

Feel like: 17 °C

Temperature: 17°C

Cloud: 3%

Humidity: 90%

Wind: NE - 6 km/h

Visibility: 15.92 km

Weather forecast

Sun
20 Sep
13°C / 27°C
Mainly Clear
Mon
21 Sep
16°C / 28°C
Overcast
Tue
22 Sep
16°C / 28°C
Mainly Clear
Wed
23 Sep
17°C / 26°C
Overcast
Thu
24 Sep
19°C / 29°C
Overcast
Hourly forecast today:
18:00 PM
15° / 17°
15° / 17°
Clear Sky
90% 17 km/h
19:00 PM
15° / 16°
15° / 16°
Clear Sky
91% 14 km/h
20:00 PM
15° / 15°
15° / 15°
Clear Sky
95% 11 km/h
21:00 PM
14° / 15°
14° / 15°
Clear Sky
96% 11 km/h
22:00 PM
14° / 15°
14° / 15°
Clear Sky
96% 14 km/h
23:00 PM
15° / 16°
15° / 16°
Clear Sky
91% 17 km/h
00:00 AM
16° / 19°
16° / 19°
Clear Sky
83% 21 km/h
01:00 AM
16° / 21°
16° / 21°
Clear Sky
75% 23 km/h
02:00 AM
17° / 23°
17° / 23°
Clear Sky
69% 24 km/h
03:00 AM
16° / 24°
16° / 24°
Clear Sky
63% 25 km/h
04:00 AM
16° / 25°
16° / 25°
Clear Sky
58% 25 km/h

30 Day Averages and Extremes

  • Average high 25.3°C
  • Average low 15.7°C
  • Hottest day 29°C (24 September 2026)
  • Coldest day 12°C (02 October 2026)
  • Average humidity 71.27%
  • Days with precipitation 12 days
  • Highest precipitation 40 mm (25 September 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 17°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Daejeon over the next 12 hours

Temperature and possibility of rain in Daejeon in the coming days

Rainfall in Daejeon in the coming days

Daejeon Climate Summary

Daejeon features a Humid continental, no dry season, hot summer (Köppen classification: Dfa), with an average annual temperature of 13.05ºC (55.49ºF), which is about -0.55% lower than the national average for South Korea. Annually, the city experiences approximately 126.27 millimeters (4.97 inches) of rainfall, spread across 119.92 rainy days, accounting for 32.85% of the year.

Longitude 36.3504119
Latitude 127.3845475
Yearly high temperature 16.7ºC (62.06ºF)
Yearly low temperature 7.41ºC (45.34ºF)
Hottest month July 28.86ºC (83.95ºF)
Coldest month January -5.68ºC (21.78ºF)
Yearly precip 126.27mm (4.97in)
Days with rainfall 119.92 days (32.85%)
Driest month January (70.69%)
Wettest month July (85.25%)

Weather averages by month

Month High / Low (°C) Rain
January 1.07° / -5.68° 5.27 days
February 4.4° / -2.89° 4.64 days
March 10.64° / 1.3° 7.73 days
April 16.98° / 5.7° 8.55 days
May 23.32° / 10.7° 7.55 days
June 27.25° / 15.27° 13.55 days
July 28.86° / 19.63° 21.0 days
August 29.62° / 20.0° 20.09 days
September 24.96° / 14.87° 11.0 days
October 18.87° / 9.19° 5.45 days
November 11.42° / 3.99° 7.36 days
December 3.06° / -3.11° 7.73 days

Frequently asked questions

1. What is the hottest month in Daejeon?

July has the highest average monthly temperature (daily mean of 28.86ºC) and January are the coolest (daily mean of -5.68ºC).

2. What should I wear in Daejeon today?

For today's very hot weather in Daejeon, with the high temperatures above 26ºC (78.8ºF), consider wearing:
- Thin, moisture-wicking socks
- Wide-brimmed sun hat
- Loose and airy fabrics like linen or cotton
- UV-protective sunglasses

Temperature

Early
17°C / 24°C
Morning
18°C / 24°C
Afternoon
16°C / 19°C
Evening
14°C / 15°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 456
  • CO 138
  • NH3 0
  • NO2 22
  • O3 48
  • PM10 13
  • PM25 9
  • SO2 3
  • CH4 1,432

Sunrise / Sunset

21:16
09:31