Daejeon in Spring
In spring (March, April and May), Daejeon sees average daytime highs around 18°C and overnight lows near 7°C, with 217 mm of precipitation over about 23 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 9°C in early March to 26°C by late May. The sky is clear or mostly clear about 39% of the time across spring, and the air most often feels dry.
Spring is Daejeon's 2nd-best season to visit on our travel score. For the whole year in context, see Daejeon's year-round climate.
- Avg daytime high
- 18°C
- 3rd-warmest season
- Avg overnight low
- 7°C
- Precipitation
- 217 mm
- 23 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.6
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Daejeon in Spring
Over the season highs climb from about 9°C in early March to 26°C by late May.
A typical spring day in Daejeon reaches about 18°C and drops to 7°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Daejeon
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 24 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Daejeon weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -5° | 24 | 4.8 | 2.8 | 9.8 | 0.0 |
| Feb | 6° / -3° | 32 | 4.7 | 1.8 | 10.6 | 0.7 |
| Mar | 12° / 1° | 53 | 7.4 | 1.3 | 11.7 | 3.4 |
| Apr | 19° / 7° | 78 | 7.7 | 0.2 | 12.9 | 6.3 |
| May | 24° / 13° | 86 | 7.8 | 0 | 13.9 | 7.2 |
| Jun | 27° / 18° | 123 | 8.9 | 0 | 14.4 | 6.4 |
| Jul | 29° / 22° | 230 | 15.7 | 0 | 14.2 | 4.7 |
| Aug | 30° / 22° | 197 | 15 | 0 | 13.4 | 4.6 |
| Sep | 26° / 17° | 138 | 8.4 | 0 | 12.2 | 6.9 |
| Oct | 20° / 10° | 56 | 5.1 | 0 | 11.1 | 7.3 |
| Nov | 13° / 3° | 41 | 6.2 | 0.3 | 10.1 | 3.9 |
| Dec | 6° / -3° | 25 | 5 | 1.6 | 9.6 | 0.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 39% of the time across spring.
Chance of precipitation in Spring
Daejeon gets around 217 mm of rain and snow over 23 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 10 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 06 min in early March to 14 h 18 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.3 kWh/m².
Hazard calendar for Daejeon
None of Daejeon's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Daejeon's rainy season runs June–September, when most of the year's rain falls.
Is spring a good time to visit Daejeon?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Daejeon for sightseeing.
What to pack for Daejeon in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Daejeon sees daytime highs around 18°C and nights near 7°C. Pack a warm layer. Worth having: light clothes and sun protection. About 23 days see rain.
UV index in Daejeon in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Daejeon peaks around August 14 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 5 | 6 | 7 | 7 | 8 | 8 | 8 | 5 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Daejeon in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Daejeon is worst in March — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Daejeon's WHO annual average of 18 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 19 | 20 | 23 | 20 | 17 | 16 | 13 | 13 | 17 | 19 | 20 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 20 | Moderate |
| Mar | 23 | Moderate |
| Apr | 20 | Moderate |
| May | 17 | Moderate |
| Jun | 16 | Moderate |
| Jul | 13 | Moderate |
| Aug | 13 | Moderate |
| Sep | 17 | Moderate |
| Oct | 19 | Moderate |
| Nov | 20 | Moderate |
| Dec | 18 | Moderate |
Where is Daejeon?
Daejeon sits at 36.3°N, 127.4°E, 58 m above sea level, in South Korea. The nearest listed city is Okcheon, 17 km away.
Topography around Daejeon
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Daejeon.
Within 3 km, the terrain around Daejeon has only modest variations in elevation — a maximum elevation change of 155 m around an average of 58 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 808 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,594 m.
The land around Daejeon is covered by artificial surfaces (69%) within 3 km, trees (67%) within 16 km, and trees (67%) and cropland (22%) within 80 km.
South Korea travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 220 V · 60 Hz
- Prices
- ≈ 57% of US
- price level, 2025
- GDP per capita
- $36,227
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.5
- per 100k, 2023
- Road deaths
- 8.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Moderate
- EF EPI 522
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Daejeon (36.3491°, 127.3849°, elevation 58 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.