Ishigaki weather in June

In June, Ishigaki sees average daytime highs of 28°C and overnight lows near 27°C, with 161 mm of rain across 14.2 wet days and about 13.5 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 18% of the time in June, and the air most often feels miserable.

Daylight stretches from about 13 h 24 min at the start of June to 13 h 30 min by month's end. Set against the rest of the year, June is Ishigaki's 11th-clearest and 8th-windiest month. For the whole year in context, see Ishigaki's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
27°
10th coldest
Rainfall
161 mm
14.2 wet days
Daylight
13 h 30 min
5:59 AM – 7:29 PM
Cloud cover
74%
11th clearest
Wind
24 km/h
8th windiest
Solar energy
5.93 kWh/m²
Travel score
5.2
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical June day in Ishigaki reaches about 28°C in the afternoon and slips back to 27°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, June runs about 2°C warmer than May and about 1°C cooler than July.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12726
22726
32726
42726
52726
62726
72726
82826
92826
102827
112827
122827
132827
142827
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252927
262927
272928
282928
292928
302928

How June really feels in Ishigaki

Once humidity and wind are folded in, June averages 20 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
20
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Ishigaki weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan21° / 19°15516.810.75.2
Feb21° / 19°11213.911.25.4
Mar22° / 20°12213.911.85.9
Apr24° / 22°14813.112.66.3
May26° / 25°16514.413.25.9
Jun28° / 27°16114.213.55.2
Jul29° / 28°1281313.45.2
Aug29° / 27°23216.612.84.8
Sep28° / 27°22315.812.25.3
Oct26° / 25°14013.711.46.1
Nov25° / 23°14514.110.86.2
Dec22° / 20°15415.310.55.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23070
32971
42773
52773
62575
72476
82476
92476
102179
112179
122179
132080
142080
152179
162179
172179
182377
192575
202674
212872
223070
233169
243466
253565
263664
273862
283862
293961
304060

Chance of precipitation in June

Any precipitation

Ishigaki gets around 161 mm of rain over 14.2 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 48% and peaks near 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
151
252
352
453
553
654
754
854
954
1054
1154
1254
1353
1452
1552
1651
1750
1848
1947
2045
2144
2242
2341
2440
2539
2638
2738
2837
2938
3038

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the miserable band about 82% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13113056
23102958
3392860
4282763
5272665
6272566
7162469
8162370
9152272
10152173
11041977
12041878
13041680
14031582
15031384
16031285
17021088
1802989
1902890
2002791
2102593
2201495
2301495
2401396
2501297
2600298
2700298
2800199
2900199
3000199

Wind in June

Winds average 24 km/h in June.

Across June, daily wind ranges from about 21 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
522breezy
622breezy
722breezy
822breezy
923breezy
1023breezy
1123breezy
1224breezy
1324breezy
1424breezy
1525breezy
1625breezy
1725breezy
1825breezy
1926breezy
2026breezy
2126breezy
2226breezy
2326breezy
2426breezy
2526breezy
2626breezy
2726breezy
2826breezy
2926breezy
3026breezy

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 24 min at the start of June to 13 h 30 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 5:59 AM to 6:02 AM, and sunset from 7:23 PM to 7:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:597:23
213.45:597:23
313.45:597:24
413.45:597:24
513.45:597:24
613.45:587:25
713.45:587:25
813.55:587:26
913.55:587:26
1013.55:587:26
1113.55:587:27
1213.55:587:27
1313.55:587:28
1413.55:587:28
1513.55:597:28
1613.55:597:29
1713.55:597:29
1813.55:597:29
1913.55:597:29
2013.55:597:30
2113.55:597:30
2213.56:007:30
2313.56:007:30
2413.56:007:31
2513.56:007:31
2613.56:017:31
2713.56:017:31
2813.56:017:31
2913.56:017:31
3013.56:027:31

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 5.93 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 6.37 kWh/m² in July across the year — June's 5.93 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.7Bright
135.7Bright
145.7Bright
155.8Bright
165.8Bright
175.9Bright
185.9Bright
196.0Bright
206.0Intense
216.1Intense
226.2Intense
236.2Intense
246.3Intense
256.3Intense
266.3Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in June

Hazard calendar for Ishigaki

In seasonPeak

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

Ishigaki 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 Ishigaki?

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

5.2
Sightseeing
9th-best month of the year
5.9
Beach & pool
5th-best month of the year

June is a reasonable time to visit Ishigaki for sightseeing.

What to pack for Ishigaki in June

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

In June, Ishigaki sees daytime highs around 28°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 14 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Ishigaki in June

The nearest coast averages about 28°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 July at about 29°C and coldest in February near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar23Refreshing
Apr25Warm
May26Warm
Jun28Tropical
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov26Warm
Dec25Warm

UV index in Ishigaki in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ishigaki peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highVery highExtremeVery highHighJun 20UV 12Dec 20UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Extreme
Apr9Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov7High
Dec5High

Air quality in Ishigaki 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 Ishigaki is worst in March — around 15 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (June, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1815 µg/m³Jun 207 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Moderate
Mar15Moderate
Apr13Moderate
May9Good
Jun7Good
Jul8Good
Aug9Good
Sep8Good
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is Ishigaki?

Ishigaki sits at 24.3°N, 124.2°E, 18 m above sea level, in Japan. The nearest listed city is Hirara, 127 km away.

Topography around Ishigaki

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

Within 3 km, the terrain around Ishigaki has only modest variations in elevation — a maximum elevation change of 217 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 528 m; within 80 km, significant variations in elevation — a maximum elevation change of 517 m.

The land around Ishigaki is covered by water (37%), artificial surfaces (22%) and trees (20%) within 3 km, water (78%) within 16 km, and water (96%) within 80 km.

3 km
217 m
16 km
528 m
80 km
517 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Hirara 127 km · Miyakojima 127 km · Yilan 247 km · Jiufen 249 km · Xiulin 258 km · Keelung 259 km · Hualien 262 km · Xizhi 265 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 Ishigaki (24.3448°, 124.1572°, elevation 18 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).