Fuefuki in Summer

In summer (June, July and August), Fuefuki sees average daytime highs around 24°C and overnight lows near 17°C, with 629 mm of rain over about 63 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 20°C in early June to 24°C by late August. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels humid.

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

Avg daytime high
24°C
warmest season of the year
Avg overnight low
17°C
Rainfall
629 mm
63 wet days
Avg wind
4 km/h
Travel score
4.8
best season of the year
Months
Jun · Jul · Aug

Temperature in Fuefuki in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 20°C in early June to 24°C by late August.

A typical summer day in Fuefuki reaches about 24°C and drops to 17°C overnight. The warmest of the three months is August, the coolest June.

10°15°20°25°30°JunJulAug

How summer really feels in Fuefuki

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.

Fuefuki 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 / -6°6676.59.90.0
Feb / -6°718.46.610.70.0
Mar / -2°12913.57.911.71.0
Apr13° / 13113.92.212.93.5
May18° / 14715.10.213.95.1
Jun21° / 14°20519.8014.44.6
Jul25° / 18°23421.9014.24.8
Aug26° / 18°18921.7013.34.9
Sep22° / 15°22018.6012.25.1
Oct16° / 21215.5011.14.5
Nov11° / 8810.10.510.12.8
Dec / -3°607.64.19.60.4

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Fuefuki gets around 629 mm of rain over 63 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 humid — 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 4 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 4.7 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Fuefuki?

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.

4.8
Sightseeing
1st-best month of the year
3.9
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Fuefuki for sightseeing.

What to pack for Fuefuki in Summer

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

In summer, Fuefuki sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 63 days see rain.

rain gearlight clothessun protection

Sea temperature near Fuefuki 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 57 km away) 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 Fuefuki 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 Fuefuki peaks around July 16 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 16UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Fuefuki 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 Fuefuki is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Fuefuki?

Fuefuki sits at 35.6°N, 138.6°E, 268 m above sea level, in Japan. The nearest listed city is Isawa, 2.0 km away.

Topography around Fuefuki

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

Within 3 km, the terrain around Fuefuki has only modest variations in elevation — a maximum elevation change of 232 m around an average of 286 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,550 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,735 m.

The land around Fuefuki is covered by artificial surfaces (49%) and cropland (35%) within 3 km, trees (64%) and artificial surfaces (20%) within 16 km, and trees (77%) within 80 km.

3 km
232 m
16 km
1,550 m
80 km
3,735 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Isawa 2.0 km · Yamanashi 7.0 km · Kofu 7.0 km · Shōwa 9.0 km · Enzan 11 km · Ryūō 13 km · Kai 13 km · Chūō 13 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 Fuefuki (35.6353°, 138.6385°, elevation 268 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.