Shibata in Summer

In summer (June, July and August), Shibata sees average daytime highs around 27°C and overnight lows near 21°C, with 623 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 22°C in early June to 28°C by late August. The sky is clear or mostly clear about 22% of the time across summer, and the air most often feels oppressive.

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

Avg daytime high
27°C
warmest season of the year
Avg overnight low
21°C
Rainfall
623 mm
47 wet days
Avg wind
8 km/h
Travel score
5.3
best season of the year
Months
Jun · Jul · Aug

Temperature in Shibata in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 22°C in early June to 28°C by late August.

A typical summer day in Shibata reaches about 27°C and drops to 21°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 Shibata

Once humidity and wind are folded in, summer brings about 19 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
19
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Shibata 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 / 21726.720.49.70.0
Feb / 14821.516.410.50.1
Mar / 14520.49.211.71.2
Apr14° / 11514.71.1133.8
May20° / 13°12313.20145.8
Jun24° / 17°15513.5014.66.1
Jul27° / 22°27418.1014.45.0
Aug29° / 23°19415.6013.54.8
Sep25° / 19°16015012.35.7
Oct19° / 13°17016.10115.3
Nov13° / 19119.71.29.92.9
Dec / 2332512.19.40.7

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Shibata gets around 623 mm of rain over 47 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — 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 8 km/h across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 24 min in early June to 12 h 54 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 5.2 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Shibata

In seasonPeak

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

Shibata 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 Shibata?

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.

5.3
Sightseeing
1st-best month of the year
5.5
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Shibata for sightseeing.

What to pack for Shibata in Summer

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

In summer, Shibata sees daytime highs around 27°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 47 days see rain.

light clothesrain gearsun protection

Sea temperature near Shibata in Summer

The nearest coast averages about 23°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 20 km away) is warmest in August at about 26°C and coldest in March near 9°C.

It's comfortable for a long swim from Jun 21 to Oct 29 — about 4.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar9Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Bracing

UV index in Shibata in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shibata peaks around August 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 13UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Shibata 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 Shibata is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1421 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun15Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Shibata?

Shibata sits at 38.0°N, 139.3°E, 10 m above sea level, in Japan. The nearest listed city is Tainai, 14 km away.

Topography around Shibata

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

Within 3 km, the terrain around Shibata has only modest variations in elevation — a maximum elevation change of 76 m around an average of 12 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,413 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.

The land around Shibata is covered by artificial surfaces (45%) and cropland (38%) within 3 km, trees (42%) and cropland (28%) within 16 km, and trees (54%) and water (33%) within 80 km.

3 km
76 m
16 km
1,413 m
80 km
2,110 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Tainai 14 km · Suibara 15 km · Agano 16 km · Kameda-honchō 21 km · Niitsu-honchō 25 km · Niigata 26 km · Gosen 28 km · Muramatsu 32 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 Shibata (37.95°, 139.3333°, elevation 10 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.