Kashiwazaki weather in July

In July, Kashiwazaki sees average daytime highs of 29°C and overnight lows near 22°C, with 212 mm of rain across 16.9 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 31°C by the end. The sky is clear or mostly clear about 16% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 30 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Kashiwazaki's 9th-clearest and 12th-windiest month. For the whole year in context, see Kashiwazaki's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
212 mm
16.9 wet days
Daylight
14 h 18 min
4:41 AM – 7:02 PM
Cloud cover
73%
9th clearest
Wind
6 km/h
12th windiest
Solar energy
5.07 kWh/m²
Travel score
4.5
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 31°C by the end.

A typical July day in Kashiwazaki reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°C. Set against its neighbours, July runs about 3°C warmer than June and about 2°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72821
82821
92821
102821
112821
122821
132821
142821
152921
162922
172922
182922
192922
202922
213022
223022
233022
243022
253022
263023
273023
283123
293123
303123
313123

How July really feels in Kashiwazaki

Once humidity and wind are folded in, July averages 11 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
11
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Kashiwazaki weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 13% of July, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22278
32278
42278
52278
62278
72278
82377
92476
102476
112476
122575
132674
142773
152773
162872
172971
182971
193169
203268
213367
223466
233565
243664
253763
263862
273961
283961
294159
304159
314258

Chance of precipitation in July

Any precipitation

Kashiwazaki gets around 212 mm of rain over 16.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 54% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
259
360
460
561
661
762
862
962
1063
1162
1262
1362
1461
1560
1659
1758
1857
1955
2054
2152
2250
2348
2446
2545
2643
2742
2841
2941
3040
3140

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 51% of days. Sticky, muggy-or-worse air turns up on roughly 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
152747210
242548230
332249250
422051270
521850300
611651320
711451340
811350360
911149380
1011048411
110947431
120846451
130744471
140743491
150641521
160640531
170538561
180537571
190435592
200434602
210433612
220331642
230330652
240329653
250327673
260226693
270225703
280224704
290223714
300223714
310222715

Wind in July

Winds average 6 km/h in July, the calmest month.

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

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over July. Sunrise moves from 4:33 AM to 4:53 AM, and sunset from 7:06 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:337:06
214.54:337:05
314.54:347:05
414.54:347:05
514.54:357:05
614.54:357:05
714.54:367:05
814.54:367:05
914.54:377:04
1014.44:377:04
1114.44:387:04
1214.44:397:03
1314.44:397:03
1414.44:407:03
1514.44:417:02
1614.34:417:02
1714.34:427:01
1814.34:437:01
1914.34:437:00
2014.34:446:59
2114.24:456:59
2214.24:466:58
2314.24:466:57
2414.24:476:57
2514.14:486:56
2614.14:496:55
2714.14:496:54
2814.14:506:54
2914.04:516:53
3014.04:526:52
3114.04:536:51

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.07 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 — July's 5.07 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Kashiwazaki

In seasonPeak

In July, 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 July a good time to visit Kashiwazaki?

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

4.5
Sightseeing
6th-best month of the year
5.6
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Kashiwazaki for sightseeing.

What to pack for Kashiwazaki in July

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

In July, Kashiwazaki sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Kashiwazaki in July

The nearest coast averages about 23°C in July — 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 July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).