10-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
3°
Feels like 3°
Wind↑ SSE 4 km/h
Humidity 62 %
Afternoon
Clear sky
13°
Feels like 13°
Wind↑ WNW 8 km/h
Humidity 48 %
11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
6°
Feels like 6°
Wind↑ SSE 4 km/h
Humidity 84 %
Afternoon
Clear sky
15°
Feels like 15°
Wind↑ NW 5 km/h
Humidity 54 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
8°
Feels like 8°
Wind↑ ESE 2 km/h
Humidity 92 %
Afternoon
Clear sky
17°
Feels like 17°
Wind↑ NW 5 km/h
Humidity 47 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
9°
Feels like 9°
Wind↑ E 3 km/h
Humidity 91 %
Afternoon
Partly cloudy
18°
Feels like 18°
Wind↑ ENE 2 km/h
Humidity 49 %
Daejeon forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Daejeon climate: what a normal year looks like
The hottest stretch is August, when afternoons average 30 °C; the coldest is January, when nights average −5 °C. Between those two months the average temperature changes by 27 °C.
Nights typically freeze from December to February, the coldest averaging −5 °C in January.
The wet season is concentrated from July to September, which brings 53% of the annual total; July by itself averages 245 mm.
From 14 h 38 min of daylight in late June to 9 h 40 min in late December.
Forecast highs for the coming week average 16 °C, 4 °C cooler than a normal October (20 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
3 °C
−6 °C
27 mm
Feb
7 °C
−3 °C
35 mm
Mar
11 °C
1 °C
53 mm
Apr
19 °C
7 °C
81 mm
May
24 °C
13 °C
88 mm
Jun
28 °C
18 °C
132 mm
Jul
29 °C
22 °C
246 mm
Aug
30 °C
23 °C
214 mm
Sep
26 °C
17 °C
144 mm
Oct
20 °C
10 °C
58 mm
Nov
13 °C
3 °C
43 mm
Dec
5 °C
−3 °C
28 mm
Whole year
18 °C
8 °C
1,150 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 36.35° N, 127.38° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Daejeon: pollution and pollen
3/6
Moderate
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.524µg/m³
PM1025µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Daejeon
Rain observed over the last two hours by official weather radars around Daejeon, followed by the radar forecast for the next hour where the weather service provides one.
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Rain radarLast two hours, then forecast where available · drag the timeline
No open weather radar covers Daejeon yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Daejeon
Waning gibbous
79 % illuminated · 19.3 days
Rise 15:48 Set 06:22
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Wed11/113%
Moonrise and moonset in local time (Asia/Seoul); phase and lit fraction from a synodic calculation.
Look up a past day in Daejeon
Curious about the weather in Daejeon on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Daejeon weather at a glance
This page gathers everything about the weather in Daejeon, Daejeon: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “drizzle”, it is 8 °C (feels like 8 °C) and the wind blows at 5 km/h.
Expected range today: 8 °C to 18 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Daejeon forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
