Gapyeong in Summer
In summer (June, July and August), Gapyeong sees average daytime highs around 27°C and overnight lows near 19°C, with 754 mm of rain over about 45 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Over the season highs climb from about 25°C in early June to 27°C by late August. The sky is clear or mostly clear about 20% of the time across summer, and the air most often feels oppressive.
Summer is Gapyeong's best season of the year to visit on our travel score. For the whole year in context, see Gapyeong's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 19°C
- Rainfall
- 754 mm
- 45 wet days
- Avg wind
- 7 km/h
- Travel score
- 5.5
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Gapyeong in Summer
Over the season highs climb from about 25°C in early June to 27°C by late August.
A typical summer day in Gapyeong 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 Gapyeong
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.
Gapyeong 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 | 1° / -8° | 22 | 3.8 | 3.3 | 9.7 | 0.0 |
| Feb | 4° / -5° | 28 | 4.5 | 2.9 | 10.5 | 0.2 |
| Mar | 10° / -0° | 44 | 6.6 | 2.5 | 11.7 | 2.5 |
| Apr | 17° / 5° | 80 | 8.1 | 0.2 | 12.9 | 5.6 |
| May | 22° / 11° | 107 | 8.7 | 0 | 14 | 6.9 |
| Jun | 26° / 17° | 132 | 10.1 | 0 | 14.6 | 6.5 |
| Jul | 28° / 21° | 339 | 18.1 | 0 | 14.4 | 4.9 |
| Aug | 28° / 21° | 283 | 17 | 0 | 13.5 | 5.0 |
| Sep | 24° / 15° | 133 | 8.6 | 0 | 12.3 | 6.9 |
| Oct | 19° / 8° | 56 | 5.7 | 0 | 11 | 6.7 |
| Nov | 10° / 1° | 50 | 7 | 0.8 | 10 | 2.7 |
| Dec | 3° / -5° | 26 | 5.1 | 3 | 9.4 | 0.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 20% of the time across summer.
Chance of precipitation in Summer
Gapyeong gets around 754 mm of rain over 45 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 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 4.6 kWh/m².
Hazard calendar for Gapyeong
In summer, Gapyeong overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Gapyeong sits in the Pacific typhoon belt; the season peaks July–October.
Gapyeong's rainy season runs July–August, when most of the year's rain falls.
Is summer a good time to visit Gapyeong?
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 Gapyeong for sightseeing.
What to pack for Gapyeong in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Gapyeong sees daytime highs around 27°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 45 days see rain.
UV index in Gapyeong 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 Gapyeong peaks around August 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 6 | 7 | 7 | 9 | 8 | 5 | 3 | 2 |
| Level | Low | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Low |
| Feb | 3 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 6 | High |
| Jun | 7 | Very high |
| Jul | 7 | Very high |
| Aug | 9 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | Moderate |
| Nov | 3 | Moderate |
| Dec | 2 | Low |
Air quality in Gapyeong 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 Gapyeong 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 Gapyeong?
Gapyeong sits at 37.8°N, 127.5°E, 67 m above sea level, in South Korea. The nearest listed city is Chuncheon, 20 km away.
Topography around Gapyeong
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gapyeong.
Within 3 km, the terrain around Gapyeong has significant variations in elevation — a maximum elevation change of 365 m around an average of 125 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,213 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,466 m.
The land around Gapyeong is covered by trees (61%) within 3 km, trees (87%) within 16 km, and trees (73%) 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 Gapyeong (37.831°, 127.5106°, elevation 67 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.