Kashiwazaki weather in June

In June, Kashiwazaki sees average daytime highs of 25°C and overnight lows near 17°C, with 126 mm of rain across 13.5 wet days and about 14.5 hours of daylight. It is the 4th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 16% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Kashiwazaki's 9th-clearest and 9th-windiest month. For the whole year in context, see Kashiwazaki's year-round climate.

Daytime high
25°
4th warmest
Overnight low
17°
9th coldest
Rainfall
126 mm
13.5 wet days
Daylight
14 h 36 min
4:29 AM – 7:03 PM
Cloud cover
73%
9th clearest
Wind
6 km/h
9th windiest
Solar energy
5.48 kWh/m²
Travel score
5.9
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 27°C by the end.

A typical June day in Kashiwazaki reaches about 25°C in the afternoon and slips back to 17°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°C. Set against its neighbours, June runs about 4°C warmer than May and about 3°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12415
22415
32415
42415
52516
62516
72516
82516
92516
102516
112517
122517
132517
142517
152517
162517
172618
182618
192618
202618
212618
222618
232619
242619
252619
262619
272619
282719
292719
302720

How June really feels in Kashiwazaki

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

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

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

Kashiwazaki weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°21525.618.99.70.0
Feb / -1°15621.115.710.60.2
Mar10° / 143208.811.71.7
Apr16° / 10414.50.812.94.6
May22° / 12°10412.90146.2
Jun25° / 17°12613.5014.55.9
Jul29° / 22°21216.9014.34.5
Aug31° / 23°14514.5013.44.2
Sep26° / 19°16314.9012.35.6
Oct20° / 12°16015.40115.6
Nov14° / 15918.20.7103.3
Dec / 20823.710.59.50.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 14% of June, with mostly cloudy or overcast conditions the remaining 71%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23961
33961
43862
53664
63664
73565
83565
93367
103268
113169
123169
133070
142872
152872
162773
172773
182773
192674
202674
212575
222476
232476
242476
252377
262278
272278
282278
292278
302179

Chance of precipitation in June

Any precipitation

Kashiwazaki gets around 126 mm of rain over 13.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 46% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
135
235
336
436
536
637
737
838
938
1039
1140
1241
1342
1443
1544
1646
1747
1848
1949
2050
2151
2252
2353
2454
2555
2656
2757
2858
2958
3059

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
138431810
235441910
332452120
429462320
526462530
624452740
722442950
819433160
917423380
1016403590
11143838100
12123640120
13113341141
14103143161
1592944171
1682745191
1772446212
1862247232
1952147243
2051946264
2141746285
2231645306
2331444327
2421343349
25111413610
26110393812
2719374013
2818354215
2917324417
3006304519

Wind in June

Winds average 6 km/h in June.

Across June, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 24 min at the start of June to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:32 AM to 4:32 AM, and sunset from 6:55 PM to 7:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:326:55
214.44:326:55
314.44:316:56
414.44:316:57
514.44:316:57
614.54:306:58
714.54:306:58
814.54:306:59
914.54:307:00
1014.54:307:00
1114.54:297:01
1214.54:297:01
1314.54:297:02
1414.54:297:02
1514.64:297:02
1614.64:297:03
1714.64:297:03
1814.64:297:04
1914.64:297:04
2014.64:307:04
2114.64:307:04
2214.64:307:05
2314.64:307:05
2414.64:307:05
2514.64:317:05
2614.64:317:05
2714.64:317:05
2814.64:327:05
2914.64:327:06
3014.64:327:06

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.48 kWh/m².

For context, solar energy here swings from a low near 1.89 kWh/m² to a high of 5.75 kWh/m² in May across the year — June's 5.48 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.5Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.3Bright
195.3Bright
205.3Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in June

Hazard calendar for Kashiwazaki

In seasonPeak

In June, Kashiwazaki sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Kashiwazaki 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 June a good time to visit Kashiwazaki?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.9
Sightseeing
2nd-best month of the year
5.5
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Kashiwazaki for sightseeing.

What to pack for Kashiwazaki in June

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

In June, Kashiwazaki sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Kashiwazaki in June

The nearest coast averages about 20°C in June — 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 March near 10°C.

It's comfortable for a long swim from Jun 21 to Oct 31 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Kashiwazaki in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks 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 Kashiwazaki peaks around August 12 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 12UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug10Very high
Sep9Very high
Oct5High
Nov3Moderate
Dec2Moderate

Air quality in Kashiwazaki in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Kashiwazaki is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1723 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug14Moderate
Sep12Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Kashiwazaki?

Kashiwazaki sits at 37.4°N, 138.6°E, 4 m above sea level, in Japan. The nearest listed city is Ojiya, 23 km away.

Topography around Kashiwazaki

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

Within 3 km, the terrain around Kashiwazaki has only modest variations in elevation — a maximum elevation change of 148 m around an average of 14 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 974 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,405 m.

The land around Kashiwazaki is covered by artificial surfaces (36%) and water (33%) within 3 km, trees (48%) and water (40%) within 16 km, and trees (52%) and water (36%) within 80 km.

3 km
148 m
16 km
974 m
80 km
2,405 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Ojiya 23 km · Nagaoka 28 km · Tōkamachi 32 km · Jōetsu 37 km · Mitsuke 39 km · Uonuma 39 km · Tochio-honchō 41 km · Minamiuonuma 43 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 Kashiwazaki (37.3667°, 138.55°, elevation 4 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).