Boseong in Summer
In summer (June, July and August), Boseong sees average daytime highs around 28°C and overnight lows near 21°C, with 677 mm of rain over about 42 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 28°C by late August. The sky is clear or mostly clear about 21% of the time across summer, and the air most often feels oppressive.
Summer is Boseong's 3rd-best season to visit on our travel score. For the whole year in context, see Boseong's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 21°C
- Rainfall
- 677 mm
- 42 wet days
- Avg wind
- 10 km/h
- Travel score
- 5.3
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Boseong in Summer
Over the season highs climb from about 25°C in early June to 28°C by late August.
A typical summer day in Boseong reaches about 28°C and drops to 21°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Boseong
Once humidity and wind are folded in, summer brings about 34 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.
Boseong 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 | 6° / -3° | 29 | 4.4 | 1.2 | 9.9 | 0.2 |
| Feb | 8° / -1° | 38 | 5 | 0.8 | 10.7 | 1.4 |
| Mar | 13° / 3° | 72 | 7.8 | 0.5 | 11.7 | 3.6 |
| Apr | 18° / 8° | 101 | 8 | 0 | 12.8 | 6.1 |
| May | 23° / 13° | 114 | 8.1 | 0 | 13.8 | 7.0 |
| Jun | 25° / 18° | 175 | 10.2 | 0 | 14.3 | 6.4 |
| Jul | 28° / 23° | 268 | 16.1 | 0 | 14.1 | 4.9 |
| Aug | 29° / 23° | 234 | 15.8 | 0 | 13.3 | 4.6 |
| Sep | 26° / 18° | 146 | 10.3 | 0 | 12.2 | 6.6 |
| Oct | 21° / 12° | 61 | 4.8 | 0 | 11.1 | 7.5 |
| Nov | 14° / 5° | 48 | 5.5 | 0 | 10.2 | 4.8 |
| Dec | 8° / -1° | 29 | 3.9 | 0.5 | 9.7 | 1.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 21% of the time across summer.
Chance of precipitation in Summer
Boseong gets around 677 mm of rain over 42 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 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 12 min in early June to 12 h 48 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 4.8 kWh/m².
Hazard calendar for Boseong
In summer, Boseong overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Boseong sits in the Pacific typhoon belt; the season peaks July–October.
Boseong's rainy season runs June–September, when most of the year's rain falls.
Is summer a good time to visit Boseong?
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 Boseong for sightseeing.
What to pack for Boseong in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Boseong sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 42 days see rain.
Sea temperature near Boseong in Summer
The nearest coast averages about 23°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 44 km away) is warmest in August at about 26°C and coldest in March near 12°C.
It's comfortable for a long swim from Jun 23 to Oct 19 — about 3.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 13 | 12 | 13 | 16 | 19 | 23 | 26 | 24 | 20 | 17 | 15 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Refreshing | Refreshing | Cool | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 12 | Bracing |
| Apr | 13 | Bracing |
| May | 16 | Cool |
| Jun | 19 | Cool |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 24 | Refreshing |
| Oct | 20 | Refreshing |
| Nov | 17 | Cool |
| Dec | 15 | Bracing |
UV index in Boseong 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 Boseong peaks around September 9 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 | 4 | 6 | 7 | 8 | 8 | 8 | 8 | 8 | 5 | 4 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 8 | Very high |
| Sep | 8 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Boseong 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 Boseong is worst in March — around 43 µg/m³ PM2.5 (poor), about 2.4× the cleanest month (July, 18 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) | 31 | 36 | 43 | 37 | 30 | 25 | 18 | 18 | 22 | 24 | 27 | 26 |
| Level | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 36 | Poor |
| Mar | 43 | Poor |
| Apr | 37 | Poor |
| May | 30 | Moderate |
| Jun | 25 | Moderate |
| Jul | 18 | Moderate |
| Aug | 18 | Moderate |
| Sep | 22 | Moderate |
| Oct | 24 | Moderate |
| Nov | 27 | Moderate |
| Dec | 26 | Moderate |
Where is Boseong?
Boseong sits at 34.8°N, 127.1°E, 162 m above sea level, in South Korea. The nearest listed city is Jangheung, 19 km away.
Topography around Boseong
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Boseong.
Within 3 km, the terrain around Boseong has only modest variations in elevation — a maximum elevation change of 222 m around an average of 173 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 772 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,718 m.
The land around Boseong is covered by trees (52%) and cropland (28%) within 3 km, trees (64%) within 16 km, and trees (44%) and water (36%) 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 Boseong (34.7715°, 127.08°, elevation 162 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.