Kamaishi weather in June

In June, Kamaishi sees average daytime highs of 19°C and overnight lows near 14°C, with 138 mm of rain across 13 wet days and about 14.7 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 14% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 14 h 36 min at the start of June to 14 h 42 min by month's end. Set against the rest of the year, June is Kamaishi's 11th-clearest and 10th-windiest month. For the whole year in context, see Kamaishi's year-round climate.

Daytime high
19°
4th warmest
Overnight low
14°
9th coldest
Rainfall
138 mm
13 wet days
Daylight
14 h 42 min
4:10 AM – 6:55 PM
Cloud cover
76%
11th clearest
Wind
9 km/h
10th windiest
Solar energy
5.24 kWh/m²
Travel score
5.4
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 June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 21°C by the end.

A typical June day in Kamaishi reaches about 19°C in the afternoon and slips back to 14°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11812
21812
31812
41813
51813
61813
71813
81813
91913
101913
111914
121914
131914
141914
151914
161914
171914
181915
192015
202015
212015
222015
232015
242015
252016
262016
272116
282116
292116
302116

How June really feels in Kamaishi

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.

Kamaishi weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 5th-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 June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13466
23466
33268
43268
53169
62971
72971
82773
92773
102575
112476
122476
132278
142278
152179
162179
172179
182179
192179
202080
212080
222080
232080
242080
252080
262080
271981
281981
291981
301981

Chance of precipitation in June

Any precipitation

Kamaishi gets around 138 mm of rain over 13 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 44% and peaks near 49% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
139
239
339
439
540
640
741
841
942
1042
1143
1244
1344
1445
1545
1646
1746
1846
1946
2046
2146
2246
2347
2447
2547
2648
2748
2849
2949
3049

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the comfortable band about 38% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1712720
2682930
3663040
4633250
5613360
6583570
7563680
85337100
95039110
104740130
114441140
124242160
133943180
143644191
153444211
163244231
173044251
182844262
192644282
202543293
212342313
222242334
232041345
241939367
251738378
261636389
2715354011
2813334112
2912324214
3011304216

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 36 min at the start of June to 14 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 4:13 AM to 4:13 AM, and sunset from 6:47 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:136:47
214.64:136:47
314.64:136:48
414.64:126:49
514.64:126:49
614.64:126:50
714.74:116:51
814.74:116:51
914.74:116:52
1014.74:116:52
1114.74:116:53
1214.74:106:53
1314.74:106:54
1414.74:106:54
1514.74:106:55
1614.74:106:55
1714.84:106:56
1814.84:106:56
1914.84:116:56
2014.84:116:57
2114.84:116:57
2214.84:116:57
2314.84:116:57
2414.84:116:57
2514.84:126:58
2614.84:126:58
2714.84:126:58
2814.84:136:58
2914.74:136:58
3014.74:136:58

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.24 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 — June's 5.24 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.5Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in June

Hazard calendar for Kamaishi

In seasonPeak

In June, 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 June a good time to visit Kamaishi?

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

5.4
Sightseeing
4th-best month of the year
2.4
Beach & pool
4th-best month of the year

June is a reasonable time to visit Kamaishi for sightseeing.

What to pack for Kamaishi in June

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

In June, Kamaishi sees daytime highs around 19°C and nights near 14°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Kamaishi in June

The nearest coast averages about 16°C in June — 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 June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 8 — 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 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 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
June 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).