Kurayoshi in Summer
In summer (June, July and August), Kurayoshi sees average daytime highs around 25°C and overnight lows near 22°C, with 485 mm of rain over about 41 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Over the season highs climb from about 20°C in early June to 26°C by late August. The sky is clear or mostly clear about 23% of the time across summer, and the air most often feels oppressive.
Summer is Kurayoshi's best season of the year to visit on our travel score. For the whole year in context, see Kurayoshi's year-round climate.
- Avg daytime high
- 25°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 485 mm
- 41 wet days
- Avg wind
- 13 km/h
- Travel score
- 5.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Kurayoshi in Summer
Over the season highs climb from about 20°C in early June to 26°C by late August.
A typical summer day in Kurayoshi reaches about 25°C and drops to 22°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Kurayoshi
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.
Kurayoshi 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 | 7° / 4° | 222 | 23.9 | 8.7 | 9.9 | 0.6 |
| Feb | 7° / 4° | 161 | 18.4 | 7 | 10.7 | 0.8 |
| Mar | 10° / 6° | 155 | 16.2 | 2.4 | 11.7 | 2.0 |
| Apr | 14° / 10° | 123 | 11.9 | 0 | 12.9 | 4.0 |
| May | 18° / 15° | 139 | 11.6 | 0 | 13.8 | 5.7 |
| Jun | 22° / 19° | 157 | 13.2 | 0 | 14.3 | 5.8 |
| Jul | 26° / 23° | 194 | 14.9 | 0 | 14.1 | 5.8 |
| Aug | 27° / 25° | 134 | 12.7 | 0 | 13.3 | 6.0 |
| Sep | 24° / 21° | 223 | 14.8 | 0 | 12.2 | 6.0 |
| Oct | 19° / 16° | 144 | 13.1 | 0 | 11.1 | 5.8 |
| Nov | 15° / 11° | 149 | 16.2 | 0.1 | 10.1 | 3.8 |
| Dec | 10° / 7° | 230 | 21.7 | 4.4 | 9.7 | 1.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 23% of the time across summer.
Chance of precipitation in Summer
Kurayoshi gets around 485 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 13 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 5.1 kWh/m².
Hazard calendar for Kurayoshi
In summer, Kurayoshi overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Kurayoshi sits in the Pacific typhoon belt; the season peaks July–October.
Is summer a good time to visit Kurayoshi?
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 Kurayoshi for sightseeing.
What to pack for Kurayoshi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Kurayoshi sees daytime highs around 25°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
Sea temperature near Kurayoshi in Summer
The nearest coast averages about 24°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 22 km away) is warmest in August at about 27°C and coldest in February near 12°C.
It's comfortable for a long swim from Jun 13 to Nov 8 — about 4.9 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 14 | 12 | 12 | 14 | 17 | 20 | 24 | 27 | 25 | 22 | 19 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 12 | Bracing |
| Mar | 12 | Bracing |
| Apr | 14 | Bracing |
| May | 17 | Cool |
| Jun | 20 | Refreshing |
| Jul | 24 | Warm |
| Aug | 27 | Warm |
| Sep | 25 | Warm |
| Oct | 22 | Refreshing |
| Nov | 19 | Cool |
| Dec | 16 | Cool |
UV index in Kurayoshi in Summer
Clear-sky midday UV across summer averages around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Kurayoshi peaks around July 17 at about 10 (extreme) — 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 | 5 | 7 | 8 | 9 | 11 | 9 | 9 | 6 | 3 | 2 |
| Level | Moderate | Moderate | Moderate | High | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 2 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | Moderate |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 3 | Moderate |
| Dec | 2 | Moderate |
Air quality in Kurayoshi 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 Kurayoshi is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 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) | 14 | 17 | 22 | 23 | 20 | 18 | 14 | 13 | 12 | 11 | 13 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 14 | Moderate |
| Feb | 17 | Moderate |
| Mar | 22 | Moderate |
| Apr | 23 | Moderate |
| May | 20 | Moderate |
| Jun | 18 | Moderate |
| Jul | 14 | Moderate |
| Aug | 13 | Moderate |
| Sep | 12 | Moderate |
| Oct | 11 | Good |
| Nov | 13 | Moderate |
| Dec | 12 | Moderate |
Where is Kurayoshi?
Kurayoshi sits at 35.4°N, 133.8°E, 20 m above sea level, in Japan. The nearest listed city is Matsuzaki, 8.0 km away.
Topography around Kurayoshi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kurayoshi.
Within 3 km, the terrain around Kurayoshi has significant variations in elevation — a maximum elevation change of 280 m around an average of 56 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,093 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,689 m.
The land around Kurayoshi is covered by trees (51%) and artificial surfaces (25%) within 3 km, trees (63%) and water (20%) within 16 km, and trees (61%) and water (33%) within 80 km.
Japan travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type A / B
- 100 V · 50 / 60 Hz
- Prices
- ≈ 65% of US
- price level, 2025
- GDP per capita
- $35,951
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 99%
- of population, 2024
- Homicide rate
- 0.2
- per 100k, 2023
- Road deaths
- 3.6
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very low
- EF EPI 446
- 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 Kurayoshi (35.4333°, 133.8167°, elevation 20 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.