Kyosai in Fall
In fall (September, October and November), Kyosai sees average daytime highs around 19°C and overnight lows near 17°C, with 305 mm of rain over about 19 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Over the season highs ease from about 25°C in early September to 12°C by late November. The sky is clear or mostly clear about 49% of the time across fall, and the air most often feels dry.
Fall is Kyosai's best season of the year to visit on our travel score. For the whole year in context, see Kyosai's year-round climate.
- Avg daytime high
- 19°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 305 mm
- 19 wet days
- Avg wind
- 21 km/h
- Travel score
- 6.4
- best season of the year
- Months
- Sep · Oct · Nov
Temperature in Kyosai in Fall
Over the season highs ease from about 25°C in early September to 12°C by late November.
A typical fall day in Kyosai reaches about 19°C and drops to 17°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Kyosai
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Kyosai weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 7° / 3° | 40 | 4.6 | 9.9 | 1.2 |
| Feb | 8° / 4° | 50 | 5.5 | 10.7 | 1.7 |
| Mar | 11° / 8° | 97 | 7.9 | 11.7 | 2.9 |
| Apr | 14° / 12° | 133 | 8.5 | 12.9 | 4.3 |
| May | 17° / 15° | 140 | 8.2 | 13.8 | 5.8 |
| Jun | 20° / 19° | 185 | 9.6 | 14.3 | 6.2 |
| Jul | 24° / 23° | 254 | 12.5 | 14.1 | 6.4 |
| Aug | 26° / 25° | 198 | 12.2 | 13.3 | 6.4 |
| Sep | 24° / 22° | 174 | 8.9 | 12.2 | 7.0 |
| Oct | 20° / 17° | 75 | 5 | 11.1 | 7.2 |
| Nov | 15° / 11° | 57 | 5.5 | 10.2 | 5.1 |
| Dec | 9° / 6° | 37 | 4.3 | 9.7 | 2.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 49% of the time across fall.
Chance of precipitation in Fall
Kyosai gets around 305 mm of rain over 19 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 21 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 48 min in early September to 9 h 48 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.8 kWh/m².
Hazard calendar for Kyosai
In fall, Kyosai overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Kyosai sits in the Pacific typhoon belt; the season peaks July–October.
Kyosai's rainy season runs April–September, when most of the year's rain falls.
Is fall a good time to visit Kyosai?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a reasonable time to visit Kyosai for sightseeing.
What to pack for Kyosai in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Kyosai sees daytime highs around 19°C and nights near 17°C. Worth packing: light clothes, a warm layer, rain gear and a windbreaker. About 19 days see rain.
Sea temperature near Kyosai in Fall
The nearest coast averages about 22°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 25 km away) is warmest in August at about 26°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 17 to Nov 3 — about 4.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 15 | 13 | 13 | 14 | 16 | 20 | 23 | 26 | 25 | 22 | 19 | 17 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Refreshing | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 15 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 14 | Bracing |
| May | 16 | Cool |
| Jun | 20 | Cool |
| Jul | 23 | Refreshing |
| Aug | 26 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 17 | Cool |
UV index in Kyosai in Fall
Clear-sky midday UV across fall 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 Kyosai peaks around August 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 | 9 | 9 | 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 | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 5 | High |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Kyosai in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Kyosai is worst in March — around 39 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (September, 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) | 25 | 30 | 39 | 39 | 36 | 28 | 22 | 21 | 18 | 19 | 23 | 21 |
| Level | Moderate | Moderate | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 25 | Moderate |
| Feb | 30 | Moderate |
| Mar | 39 | Poor |
| Apr | 39 | Poor |
| May | 36 | Poor |
| Jun | 28 | Moderate |
| Jul | 22 | Moderate |
| Aug | 21 | Moderate |
| Sep | 18 | Moderate |
| Oct | 19 | Moderate |
| Nov | 23 | Moderate |
| Dec | 21 | Moderate |
Where is Kyosai?
Kyosai sits at 34.9°N, 128.6°E, 11 m above sea level, in South Korea. The nearest listed city is Sinhyeon, 5.0 km away.
Topography around Kyosai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kyosai.
Within 3 km, the terrain around Kyosai has significant variations in elevation — a maximum elevation change of 557 m around an average of 87 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 581 m; within 80 km, large variations in elevation — a maximum elevation change of 924 m.
The land around Kyosai is covered by trees (49%) and water (21%) within 3 km, water (47%) and trees (42%) within 16 km, and water (57%) and trees (32%) 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 Kyosai (34.8503°, 128.5886°, elevation 11 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.