Kamaishi weather in July

In July, Kamaishi sees average daytime highs of 23°C and overnight lows near 18°C, with 171 mm of rain across 16.2 wet days and about 14.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 25°C by the end. The sky is clear or mostly clear about 10% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 42 min at the start of July to 14 h 06 min by month's end. Set against the rest of the year, July is Kamaishi's 12th-clearest and 12th-windiest month. For the whole year in context, see Kamaishi's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
171 mm
16.2 wet days
Daylight
14 h 30 min
4:23 AM – 6:54 PM
Cloud cover
79%
12th clearest
Wind
9 km/h
12th windiest
Solar energy
4.72 kWh/m²
Travel score
5.6
out of 10

Kamaishi is city in Iwate Prefecture, Japan.

Density
98/km²
people per km²
Founded
1937

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 25°C by the end.

A typical July day in Kamaishi reaches about 23°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12116
22117
32117
42217
52217
62217
72217
82217
92217
102218
112218
122218
132318
142318
152318
162318
172318
182319
192319
202319
212419
222419
232419
242419
252419
262419
272420
282420
292520
302520
312520

How July really feels in Kamaishi

Once humidity and wind are folded in, July 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

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

Kamaishi weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -4°577.85.99.60.0
Feb / -4°537.76.310.50.0
Mar / -1°10211.46.311.70.6
Apr12° / 10811.71.6132.9
May16° / 10°12512.3014.14.7
Jun19° / 14°13813014.75.4
Jul23° / 18°17116.2014.55.6
Aug25° / 20°17815.3013.55.8
Sep22° / 16°19815012.35.6
Oct17° / 10°15911.10115.1
Nov11° / 809.30.69.82.8
Dec / -0°689.349.30.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
41981
51981
61882
71882
81882
91882
101882
111981
121981
132080
142080
152080
162080
172080
182278
192278
202278
212278
222377
232377
242377
252476
262476
272575
282674
292674
302674
312674

Chance of precipitation in July

Any precipitation

Kamaishi gets around 171 mm of rain over 16.2 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 51% and peaks near 55% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
150
250
351
452
553
653
754
854
955
1055
1155
1255
1355
1455
1555
1654
1754
1854
1953
2053
2152
2251
2350
2449
2548
2647
2746
2846
2945
3045
3145

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1102943170
292843191
382644211
472544231
562444241
662344261
752243282
852242292
942142313
1042041323
1141940333
1241939354
1331838365
1431737375
1531636386
1631635407
1731534418
1831432429
19313314410
20312304511
21211284612
22210274713
23210264715
2429254717
2529244719
2628234720
2728224722
2827204724
2927194626
3017184627
3117174629

Wind in July

Winds average 9 km/h in July, the calmest month.

Across July, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 42 min at the start of July to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:14 AM to 4:35 AM, and sunset from 6:58 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.74:146:58
214.74:146:58
314.74:156:58
414.74:156:58
514.74:166:57
614.74:166:57
714.74:176:57
814.74:176:57
914.64:186:56
1014.64:196:56
1114.64:196:56
1214.64:206:55
1314.64:216:55
1414.64:216:55
1514.54:226:54
1614.54:236:54
1714.54:246:53
1814.54:246:52
1914.44:256:52
2014.44:266:51
2114.44:276:50
2214.44:276:50
2314.34:286:49
2414.34:296:48
2514.34:306:47
2614.34:316:47
2714.24:326:46
2814.24:336:45
2914.24:336:44
3014.14:346:43
3114.14:356:42

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.72 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 5.49 kWh/m² in May across the year — July's 4.72 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in July

Hazard calendar for Kamaishi

In seasonPeak

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

Kamaishi 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 Kamaishi?

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

5.6
Sightseeing
2nd-best month of the year
4.3
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Kamaishi for sightseeing.

What to pack for Kamaishi in July

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

In July, Kamaishi sees daytime highs around 23°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

Sea temperature near Kamaishi in July

The nearest coast averages about 19°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 17 km away) is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 26 to Oct 1 — about 2.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar7Bracing
Apr9Bracing
May12Bracing
Jun16Cool
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct19Cool
Nov16Cool
Dec13Bracing

UV index in Kamaishi in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kamaishi peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul6High
Aug9Very high
Sep7Very high
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Kamaishi 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 Kamaishi is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1319 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar18Moderate
Apr19Moderate
May17Moderate
Jun12Moderate
Jul11Good
Aug9Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Kamaishi?

Kamaishi sits at 39.3°N, 141.9°E, 25 m above sea level, in Japan. The nearest listed city is Yamada, 22 km away.

Topography around Kamaishi

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

Within 3 km, the terrain around Kamaishi has significant variations in elevation — a maximum elevation change of 511 m around an average of 145 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,341 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,861 m.

The land around Kamaishi is covered by trees (81%) within 3 km, trees (63%) and water (33%) within 16 km, and trees (57%) and water (35%) within 80 km.

3 km
511 m
16 km
1,341 m
80 km
1,861 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Yamada 22 km · Ōfunato 26 km · Tōno 29 km · Rikuzen-Takata 34 km · Miyako 42 km · Kesennuma 49 km · Ōshū 62 km · Kitakami 65 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 Kamaishi (39.2769°, 141.868°, elevation 25 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).