Sashiki weather in June

In June, Sashiki sees average daytime highs of 26°C and overnight lows near 20°C, with 482 mm of rain across 18.9 wet days and about 14.1 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 27°C by the end. The sky is clear or mostly clear about 9% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 hours at the start of June to 14 h 06 min by month's end. Set against the rest of the year, June is Sashiki's 12th-clearest and 10th-windiest month. For the whole year in context, see Sashiki's year-round climate.

Daytime high
26°
4th warmest
Overnight low
20°
9th coldest
Rainfall
482 mm
18.9 wet days
Daylight
14 h 06 min
5:15 AM – 7:21 PM
Cloud cover
83%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
4.08 kWh/m²
Travel score
4.9
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 27°C by the end.

A typical June day in Sashiki reaches about 26°C in the afternoon and slips back to 20°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, June runs about 2°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12518
22518
32518
42518
52518
62518
72619
82619
92619
102619
112619
122619
132619
142620
152620
162620
172620
182620
192620
202621
212621
222621
232621
242721
252721
262722
272722
282722
292722
302722

How June really feels in Sashiki

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.

Sashiki weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 7810110.12.4
Feb12° / 9810.10.510.83.0
Mar15° / 14013.10.111.84.4
Apr20° / 11°16512012.85.8
May24° / 16°18912.2013.66.4
Jun26° / 20°48218.9014.14.9
Jul30° / 24°37019.4013.93.9
Aug31° / 24°17616.4013.23.8
Sep28° / 21°18113.5012.25.3
Oct24° / 15°1058.6011.27.2
Nov18° / 10°1038.9010.36.0
Dec13° / 878.90.49.93.6

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 8% of June, with mostly cloudy or overcast conditions the remaining 83%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12971
22971
32773
42773
52476
62476
72377
82278
92179
102080
112080
121981
131783
141684
151684
161585
171585
181486
191387
201387
211288
221189
231189
241189
251189
261288
271288
281288
291288
301387

Chance of precipitation in June

Any precipitation

Sashiki gets around 482 mm of rain over 18.9 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 79% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
142
243
345
446
547
648
749
851
952
1054
1156
1258
1359
1461
1563
1665
1767
1869
1970
2072
2173
2275
2376
2477
2578
2678
2779
2879
2979
3078

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 62% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11030372130
2928382230
3726392440
4624392550
5522392760
6520392870
7419393080
8317393290
93153833110
102133835121
112113736141
121103538151
13183439171
14173240191
15163141211
16052941232
17042742252
18032542273
19032341293
20022141324
21021940344
22021739375
23011538396
24011337427
25011136448
26011034479
27018324910
28017305111
29006295312
30005275513

Wind in June

Winds average 8 km/h in June.

Across June, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 hours at the start of June to 14 h 06 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 5:17 AM to 5:18 AM, and sunset from 7:14 PM to 7:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:177:14
214.05:167:15
314.05:167:15
414.05:167:16
514.05:167:17
614.05:167:17
714.05:157:18
814.05:157:18
914.15:157:19
1014.15:157:19
1114.15:157:19
1214.15:157:20
1314.15:157:20
1414.15:157:21
1514.15:157:21
1614.15:157:21
1714.15:157:22
1814.15:157:22
1914.15:157:22
2014.15:157:23
2114.15:167:23
2214.15:167:23
2314.15:167:23
2414.15:167:24
2514.15:177:24
2614.15:177:24
2714.15:177:24
2814.15:177:24
2914.15:187:24
3014.15:187:24

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.08 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.1 kWh/m² in May across the year — June's 4.08 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.6Bright
84.5Bright
94.5Bright
104.4Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.1Bright
164.0Bright
174.0Moderate
183.9Moderate
193.9Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.7Moderate
303.7Moderate
Planning a trip in June

Hazard calendar for Sashiki

In seasonPeak

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

Sashiki sits in the Pacific typhoon belt; the season peaks July–October.

Sashiki's rainy season runs June–July, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Sashiki?

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

4.9
Sightseeing
6th-best month of the year
4.8
Beach & pool
6th-best month of the year

June is a reasonable time to visit Sashiki for sightseeing.

What to pack for Sashiki in June

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

In June, Sashiki sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 19 days see rain.

rain gearlight clothes

Sea temperature near Sashiki in June

The nearest coast averages about 23°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 23 km away) is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 16 to Dec 4 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Sashiki in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sashiki peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Sashiki 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 Sashiki is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2424 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar24Moderate
Apr24Moderate
May22Moderate
Jun18Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Sashiki?

Sashiki sits at 32.3°N, 130.5°E, 25 m above sea level, in Japan. The nearest listed city is Minamata, 14 km away.

Topography around Sashiki

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

Within 3 km, the terrain around Sashiki has significant variations in elevation — a maximum elevation change of 365 m around an average of 104 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 935 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,718 m.

The land around Sashiki is covered by trees (77%) within 3 km, trees (61%) and water (34%) within 16 km, and trees (56%) and water (34%) within 80 km.

3 km
365 m
16 km
935 m
80 km
1,718 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Minamata 14 km · Honmachi 24 km · Hitoyoshi 25 km · Izumi 27 km · Isa 28 km · Ōkuchi-shinohara 28 km · Ōyanomachi-noboritate 33 km · Amakusa 34 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 Sashiki (32.3017°, 130.5038°, 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).