Icheon-si in Summer
In summer (June, July and August), Icheon-si sees average daytime highs around 28°C and overnight lows near 20°C, with 686 mm of rain over about 41 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 28°C. The sky is clear or mostly clear about 22% of the time across summer, and the air most often feels oppressive.
Summer is Icheon-si's 3rd-best season to visit on our travel score. For the whole year in context, see Icheon-si's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 686 mm
- 41 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.3
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Icheon-si in Summer
Across summer, daytime highs hold fairly steady around 28°C.
A typical summer day in Icheon-si reaches about 28°C and drops to 20°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Icheon-si
Once humidity and wind are folded in, summer brings about 24 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Icheon-si weather by month
How the three summer months (June, July and August) 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 Summer
The sky is clear or mostly clear about 22% of the time across summer.
Chance of precipitation in Summer
Icheon-si gets around 686 mm of rain over 41 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 24 min in early June to 12 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.7 kWh/m².
Hazard calendar for Icheon-si
In summer, Icheon-si overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Icheon-si's rainy season runs July–August, when most of the year's rain falls.
Is summer a good time to visit Icheon-si?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Icheon-si for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Icheon-si in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Icheon-si sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Icheon-si in Summer
Clear-sky midday UV across summer averages around 8 — 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 Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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.