Fuji in Summer

In summer (June, July and August), Fuji sees average daytime highs around 26°C and overnight lows near 19°C, with 728 mm of rain over about 56 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 21°C in early June to 27°C by late August. The sky is clear or mostly clear about 12% of the time across summer, and the air most often feels muggy.

Summer is Fuji's best season of the year to visit on our travel score. For the whole year in context, see Fuji's year-round climate.

Avg daytime high
26°C
warmest season of the year
Avg overnight low
19°C
Rainfall
728 mm
56 wet days
Avg wind
6 km/h
Travel score
5.0
best season of the year
Months
Jun · Jul · Aug

Temperature in Fuji in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 21°C in early June to 27°C by late August.

A typical summer day in Fuji reaches about 26°C and drops to 19°C overnight. The warmest of the three months is August, the coolest June.

10°15°20°25°30°35°JunJulAug

How summer really feels in Fuji

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.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Fuji 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°10211.14.99.90.8
Feb / -1°11612.15.910.71.0
Mar11° / 20216.63.611.72.2
Apr16° / 19414.90.512.94.2
May20° / 12°19414.9013.85.4
Jun23° / 16°25718014.35.1
Jul27° / 20°27519.5014.14.9
Aug27° / 21°19718.6013.35.1
Sep24° / 18°27916.5012.25.5
Oct19° / 13°26515.9011.15.3
Nov14° / 14812.70.110.24.0
Dec10° / 10110.91.19.72.1

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Fuji gets around 728 mm of rain over 56 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 6 km/h across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

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.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 4.9 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Fuji

In seasonPeak

In summer, Fuji overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Fuji sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Fuji?

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.

5.0
Sightseeing
1st-best month of the year
4.7
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Fuji for sightseeing.

What to pack for Fuji in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Fuji sees daytime highs around 26°C and nights near 19°C. Pack light clothes and rain gear. Worth having: sun protection. About 56 days see rain.

light clothesrain gearsun protection

Sea temperature near Fuji 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 offshore is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Fuji in Summer

LowModerateHighVery highExtreme

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 Fuji peaks around July 19 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 19UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Fuji in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Fuji is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Fuji?

Fuji sits at 35.2°N, 138.7°E, 9 m above sea level, in Japan. The nearest listed city is Fujinomiya, 8.0 km away.

Topography around Fuji

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Fuji.

Within 3 km, the terrain around Fuji has only modest variations in elevation — a maximum elevation change of 187 m around an average of 36 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,498 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Fuji is covered by artificial surfaces (83%) within 3 km, trees (50%) and water (30%) within 16 km, and trees (58%) and water (32%) within 80 km.

3 km
187 m
16 km
1,498 m
80 km
3,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Fujinomiya 8.0 km · Numazu 18 km · Nakatogari 20 km · Fushimi 20 km · Susono 20 km · Mishima 22 km · Kamizawa 26 km · Izunokuni 28 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
Shintoism 49%Buddhism 46%other 4%Christianity 1%

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 Fuji (35.1667°, 138.6833°, elevation 9 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.