Chungju in Summer
In summer (June, July and August), Chungju sees average daytime highs around 27°C and overnight lows near 19°C, with 618 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 27°C. The sky is clear or mostly clear about 19% of the time across summer, and the air most often feels oppressive.
Summer is Chungju's best season of the year to visit on our travel score. For the whole year in context, see Chungju's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 618 mm
- 41 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.6
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Chungju in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Chungju reaches about 27°C and drops to 19°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Chungju
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Chungju 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° / -7° | 24 | 4.7 | 3.6 | 9.8 | 0.0 |
| Feb | 5° / -5° | 33 | 4.8 | 2.9 | 10.6 | 0.2 |
| Mar | 10° / -0° | 54 | 7.4 | 2.7 | 11.7 | 2.7 |
| Apr | 17° / 5° | 83 | 8 | 0.2 | 12.9 | 5.8 |
| May | 22° / 11° | 95 | 8.2 | 0 | 13.9 | 7.0 |
| Jun | 26° / 16° | 126 | 9 | 0 | 14.5 | 6.6 |
| Jul | 28° / 21° | 265 | 16.6 | 0 | 14.3 | 5.1 |
| Aug | 28° / 21° | 226 | 15.5 | 0 | 13.4 | 5.1 |
| Sep | 24° / 16° | 134 | 8.5 | 0 | 12.3 | 6.9 |
| Oct | 19° / 9° | 58 | 5.6 | 0 | 11 | 6.8 |
| Nov | 11° / 2° | 46 | 7.1 | 0.5 | 10 | 3.0 |
| Dec | 4° / -4° | 28 | 5.2 | 2.8 | 9.5 | 0.1 |
Cloud cover in Summer
The sky is clear or mostly clear about 19% of the time across summer.
Chance of precipitation in Summer
Chungju gets around 618 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 7 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 18 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 4.6 kWh/m².
Hazard calendar for Chungju
In summer, Chungju overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Chungju's rainy season runs June–September, when most of the year's rain falls.
Is summer a good time to visit Chungju?
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 Chungju for sightseeing.
What to pack for Chungju in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Chungju sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Chungju in Summer
Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chungju peaks around August 15 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 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 | 9 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 5 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Chungju 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 Chungju is worst in March — around 51 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (August, 28 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 42 | 45 | 51 | 45 | 40 | 37 | 29 | 28 | 29 | 35 | 40 | 38 |
| Level | Poor | Poor | Poor | Poor | Poor | Poor | Moderate | Moderate | Moderate | Poor | Poor | Poor |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 42 | Poor |
| Feb | 45 | Poor |
| Mar | 51 | Poor |
| Apr | 45 | Poor |
| May | 40 | Poor |
| Jun | 37 | Poor |
| Jul | 29 | Moderate |
| Aug | 28 | Moderate |
| Sep | 29 | Moderate |
| Oct | 35 | Poor |
| Nov | 40 | Poor |
| Dec | 38 | Poor |
Where is Chungju?
Chungju sits at 37.0°N, 127.9°E, 85 m above sea level, in South Korea. The nearest listed city is Koesan, 22 km away.
Topography around Chungju
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chungju.
Within 3 km, the terrain around Chungju has significant variations in elevation — a maximum elevation change of 349 m around an average of 107 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 763 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,543 m.
The land around Chungju is covered by artificial surfaces (47%) and cropland (24%) within 3 km, trees (64%) within 16 km, and trees (75%) 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 Chungju (36.9767°, 127.9287°, elevation 85 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.