Ushibukamachi in Summer
In summer (June, July and August), Ushibukamachi sees average daytime highs around 27°C and overnight lows near 25°C, with 942 mm of rain over about 47 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 23°C in early June to 29°C by late August. The sky is clear or mostly clear about 26% of the time across summer, and the air most often feels miserable.
Summer is Ushibukamachi's 3rd-best season to visit on our travel score. For the whole year in context, see Ushibukamachi's year-round climate.
- Avg daytime high
- 27°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 942 mm
- 47 wet days
- Avg wind
- 16 km/h
- Travel score
- 5.3
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Ushibukamachi in Summer
Over the season highs climb from about 23°C in early June to 29°C by late August.
A typical summer day in Ushibukamachi reaches about 27°C and drops to 25°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Ushibukamachi
Once humidity and wind are folded in, summer brings about 45 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.
Ushibukamachi 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 | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 12° / 9° | 97 | 12.9 | 10.1 | 2.7 |
| Feb | 12° / 9° | 105 | 12 | 10.8 | 3.0 |
| Mar | 15° / 11° | 148 | 12.4 | 11.8 | 4.1 |
| Apr | 18° / 15° | 167 | 11.6 | 12.8 | 5.5 |
| May | 21° / 18° | 188 | 11 | 13.6 | 6.3 |
| Jun | 24° / 22° | 443 | 17.4 | 14.1 | 5.4 |
| Jul | 28° / 25° | 323 | 15.8 | 13.9 | 5.3 |
| Aug | 29° / 27° | 176 | 13.8 | 13.2 | 5.1 |
| Sep | 27° / 24° | 197 | 11.9 | 12.2 | 6.2 |
| Oct | 23° / 20° | 110 | 8.3 | 11.2 | 7.3 |
| Nov | 18° / 15° | 116 | 9.7 | 10.4 | 6.0 |
| Dec | 14° / 11° | 107 | 12.1 | 9.9 | 3.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Ushibukamachi gets around 942 mm of rain over 47 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 16 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 hours in early June to 12 h 42 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 5.0 kWh/m².
Hazard calendar for Ushibukamachi
In summer, Ushibukamachi overlaps its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.
Ushibukamachi sits in the Pacific typhoon belt; the season peaks July–October.
Ushibukamachi's rainy season runs June–July, when most of the year's rain falls.
Is summer a good time to visit Ushibukamachi?
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 Ushibukamachi for sightseeing.
What to pack for Ushibukamachi in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Ushibukamachi sees daytime highs around 27°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 47 days see rain.
Sea temperature near Ushibukamachi in Summer
The nearest coast averages about 26°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 13 km away) is warmest in August at about 28°C and coldest in February near 17°C.
It's comfortable for a long swim from May 14 to Dec 7 — about 6.8 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 18 | 17 | 17 | 18 | 20 | 23 | 26 | 28 | 27 | 24 | 22 | 19 |
| Comfort | Cool | Cool | Cool | Cool | Refreshing | Refreshing | Warm | Warm | Warm | Warm | Refreshing | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 18 | Cool |
| Feb | 17 | Cool |
| Mar | 17 | Cool |
| Apr | 18 | Cool |
| May | 20 | Refreshing |
| Jun | 23 | Refreshing |
| Jul | 26 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 24 | Warm |
| Nov | 22 | Refreshing |
| Dec | 19 | Cool |
UV index in Ushibukamachi 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 Ushibukamachi peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 8 | 8 | 10 | 11 | 9 | 10 | 7 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Extreme | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 8 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 11 | Extreme |
| Aug | 9 | Very high |
| Sep | 10 | Very high |
| Oct | 7 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Ushibukamachi 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 Ushibukamachi is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (July, 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) | 15 | 18 | 22 | 22 | 20 | 16 | 11 | 11 | 11 | 11 | 13 | 12 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 18 | Moderate |
| Mar | 22 | Moderate |
| Apr | 22 | Moderate |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 11 | Good |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 13 | Moderate |
| Dec | 12 | Moderate |
Where is Ushibukamachi?
Ushibukamachi sits at 32.2°N, 130.0°E, 109 m above sea level, in Japan. The nearest listed city is Akune, 27 km away.
Topography around Ushibukamachi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ushibukamachi.
Within 3 km, the terrain around Ushibukamachi has significant variations in elevation — a maximum elevation change of 285 m around an average of 29 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 435 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,449 m.
The land around Ushibukamachi is covered by water (47%) and trees (44%) within 3 km, water (70%) and trees (27%) within 16 km, and water (60%) and trees (35%) 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 Ushibukamachi (32.2014°, 130.0217°, elevation 109 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.