Icheon-si in Spring
In spring (March, April and May), Icheon-si sees average daytime highs around 17°C and overnight lows near 6°C, with 226 mm of precipitation over about 22 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Over the season highs climb from about 8°C in early March to 25°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 Icheon-si's 2nd-best season to visit on our travel score. For the whole year in context, see Icheon-si's year-round climate.
- Avg daytime high
- 17°C
- 3rd-warmest season
- Avg overnight low
- 6°C
- Precipitation
- 226 mm
- 22 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Icheon-si in Spring
Over the season highs climb from about 8°C in early March to 25°C by late May.
A typical spring day in Icheon-si reaches about 17°C and drops to 6°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Icheon-si
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 31 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Icheon-si 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 | 2° / -6° | 22 | 4.4 | 2.7 | 9.7 | 0.0 |
| Feb | 5° / -4° | 29 | 4.4 | 1.8 | 10.6 | 0.4 |
| Mar | 11° / 0° | 46 | 6.6 | 1.5 | 11.7 | 3.0 |
| Apr | 18° / 6° | 81 | 7.6 | 0.1 | 12.9 | 6.1 |
| May | 23° / 12° | 99 | 7.8 | 0 | 14 | 7.2 |
| Jun | 27° / 17° | 127 | 8.5 | 0 | 14.5 | 6.5 |
| Jul | 29° / 21° | 307 | 16.9 | 0 | 14.3 | 4.7 |
| Aug | 29° / 22° | 252 | 15.3 | 0 | 13.4 | 4.8 |
| Sep | 25° / 16° | 130 | 8.1 | 0 | 12.3 | 7.0 |
| Oct | 20° / 9° | 59 | 5.6 | 0 | 11 | 7.0 |
| Nov | 12° / 2° | 48 | 7.2 | 0.5 | 10 | 3.3 |
| Dec | 4° / -4° | 25 | 5.1 | 2.1 | 9.5 | 0.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 39% of the time across spring.
Chance of precipitation in Spring
Icheon-si gets around 226 mm of rain and snow over 22 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 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 06 min in early March to 14 h 24 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 Icheon-si
None of Icheon-si's seasonal hazards peak in spring. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Icheon-si's rainy season runs July–August, when most of the year's rain falls.
Is spring a good time to visit Icheon-si?
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 Icheon-si for sightseeing.
What to pack for Icheon-si in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Icheon-si sees daytime highs around 17°C and nights near 6°C. Pack a warm layer. Worth having: light clothes and sun protection. About 22 days see rain.
UV index in Icheon-si 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 Icheon-si peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 2 | 3 | 4 | 6 | 7 | 7 | 8 | 9 | 7 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | High |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 7 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Icheon-si 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 Icheon-si is worst in March — around 123 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 106 | 108 | 123 | 104 | 96 | 91 | 79 | 78 | 97 | 115 | 118 | 100 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 106 | Unhealthy |
| Feb | 108 | Unhealthy |
| Mar | 123 | Unhealthy |
| Apr | 104 | Unhealthy |
| May | 96 | Unhealthy |
| Jun | 91 | Unhealthy |
| Jul | 79 | Unhealthy |
| Aug | 78 | Unhealthy |
| Sep | 97 | Unhealthy |
| Oct | 115 | Unhealthy |
| Nov | 118 | Unhealthy |
| Dec | 100 | Unhealthy |
Where is Icheon-si?
Icheon-si sits at 37.3°N, 127.4°E, 68 m above sea level, in South Korea. The nearest listed city is Pubal, 6.0 km away.
Topography around Icheon-si
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Icheon-si.
Within 3 km, the terrain around Icheon-si has significant variations in elevation — a maximum elevation change of 347 m around an average of 97 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 640 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,443 m.
The land around Icheon-si is covered by trees (39%), artificial surfaces (27%) and cropland (23%) within 3 km, trees (51%) and cropland (26%) within 16 km, and trees (64%) 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 Icheon-si (37.2792°, 127.4425°, elevation 68 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.