Marugame in Summer
In summer (June, July and August), Marugame sees average daytime highs around 28°C and overnight lows near 23°C, with 474 mm of rain over about 35 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 24°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 oppressive.
Summer is Marugame's 2nd-best season to visit on our travel score. For the whole year in context, see Marugame's year-round climate.
- Avg daytime high
- 28°C
- warmest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 474 mm
- 35 wet days
- Avg wind
- 8 km/h
- Travel score
- 5.4
- 2nd-best season
- Months
- Jun · Jul · Aug
Temperature in Marugame in Summer
Over the season highs climb from about 24°C in early June to 29°C by late August.
A typical summer day in Marugame reaches about 28°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.
How summer really feels in Marugame
Once humidity and wind are folded in, summer brings about 46 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.
Marugame 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 | 9° / 5° | 59 | 9.9 | 1.6 | 10 | 1.9 |
| Feb | 10° / 5° | 64 | 9.5 | 1.5 | 10.7 | 2.2 |
| Mar | 13° / 7° | 102 | 11.5 | 0.3 | 11.7 | 3.5 |
| Apr | 18° / 12° | 110 | 10.6 | 0 | 12.8 | 5.6 |
| May | 22° / 16° | 130 | 10.3 | 0 | 13.8 | 6.5 |
| Jun | 25° / 20° | 191 | 13 | 0 | 14.2 | 6.0 |
| Jul | 29° / 24° | 177 | 12.5 | 0 | 14.1 | 5.2 |
| Aug | 30° / 25° | 106 | 9.7 | 0 | 13.3 | 5.0 |
| Sep | 27° / 22° | 168 | 11.6 | 0 | 12.2 | 6.1 |
| Oct | 22° / 17° | 134 | 9.5 | 0 | 11.1 | 6.9 |
| Nov | 17° / 11° | 68 | 8.1 | 0 | 10.2 | 5.5 |
| Dec | 12° / 7° | 67 | 10.1 | 1 | 9.8 | 3.0 |
Cloud cover in Summer
The sky is clear or mostly clear about 26% of the time across summer.
Chance of precipitation in Summer
Marugame gets around 474 mm of rain over 35 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 8 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 06 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 5.0 kWh/m².
Hazard calendar for Marugame
In summer, Marugame overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Marugame sits in the Pacific typhoon belt; the season peaks July–October.
Is summer a good time to visit Marugame?
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 Marugame for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Marugame in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Marugame sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 35 days see rain.
Sea temperature near Marugame in Summer
The nearest coast averages about 25°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 18 km away) is warmest in August at about 28°C and coldest in February near 13°C.
It's comfortable for a long swim from Jun 3 to Nov 12 — about 5.4 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 | 13 | 15 | 18 | 22 | 25 | 28 | 27 | 23 | 20 | 16 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Cool | Refreshing | Warm | Warm | Warm | Refreshing | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 14 | Bracing |
| Feb | 13 | Bracing |
| Mar | 13 | Bracing |
| Apr | 15 | Bracing |
| May | 18 | Cool |
| Jun | 22 | Refreshing |
| Jul | 25 | Warm |
| Aug | 28 | Warm |
| Sep | 27 | Warm |
| Oct | 23 | Refreshing |
| Nov | 20 | Cool |
| Dec | 16 | Cool |
UV index in Marugame 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 Marugame peaks around July 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (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) | 3 | 4 | 5 | 7 | 8 | 10 | 10 | 9 | 9 | 6 | 4 | 3 |
| Level | Moderate | Moderate | High | Very high | Very high | Very high | Very high | Very high | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 5 | High |
| Apr | 7 | Very high |
| May | 8 | Very high |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 9 | Very high |
| Sep | 9 | Very high |
| Oct | 6 | High |
| Nov | 4 | Moderate |
| Dec | 3 | Moderate |
Air quality in Marugame 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 Marugame is worst in April — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 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) | 16 | 19 | 23 | 24 | 22 | 20 | 17 | 17 | 16 | 14 | 15 | 14 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 16 | Moderate |
| Feb | 19 | Moderate |
| Mar | 23 | Moderate |
| Apr | 24 | Moderate |
| May | 22 | Moderate |
| Jun | 20 | Moderate |
| Jul | 17 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 14 | Moderate |
| Nov | 15 | Moderate |
| Dec | 14 | Moderate |
Where is Marugame?
Marugame sits at 34.3°N, 133.8°E, 5 m above sea level, in Japan. The nearest listed city is Tadotsu, 3.0 km away.
Topography around Marugame
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Marugame.
Within 3 km, the terrain around Marugame has only modest variations in elevation — a maximum elevation change of 59 m around an average of 6 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 618 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,946 m.
The land around Marugame is covered by artificial surfaces (58%) and water (22%) within 3 km, water (41%) and trees (30%) within 16 km, and trees (60%) and water (28%) 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 Marugame (34.2833°, 133.7833°, elevation 5 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.