Susaki weather in June

In June, Susaki sees average daytime highs of 25°C and overnight lows near 18°C, with 372 mm of rain across 19.7 wet days and about 14.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 10% of the time in June, and the air most often feels humid.

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

Daytime high
25°
4th warmest
Overnight low
18°
9th coldest
Rainfall
372 mm
19.7 wet days
Daylight
14 h 12 min
5:01 AM – 7:13 PM
Cloud cover
82%
12th clearest
Wind
6 km/h
12th windiest
Solar energy
4.78 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 24°C in the first days to 26°C by the end.

A typical June day in Susaki reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 28°C. Set against its neighbours, June runs about 3°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12316
22416
32416
42416
52417
62417
72417
82417
92417
102417
112418
122418
132418
142518
152518
162518
172519
182519
192519
202519
212519
222619
232620
242620
252620
262620
272620
282620
292721
302721

How June really feels in Susaki

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.

Susaki weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 696.41.3101.9
Feb10° / 968.51.510.82.3
Mar14° / 159120.411.73.8
Apr18° / 20111.70.112.85.6
May22° / 14°24213.4013.76.1
Jun25° / 18°37219.7014.24.9
Jul29° / 22°38422.40144.0
Aug29° / 23°32522.4013.23.8
Sep27° / 20°34218.3012.25.2
Oct22° / 14°23011.4011.26.6
Nov17° / 1148.4010.35.5
Dec11° / 876.60.59.83.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% 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 82%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22773
32674
42674
52476
62377
72377
82278
92080
102080
111981
121981
131783
141783
151783
161783
171585
181585
191486
201486
211486
221387
231387
241387
251387
261387
271387
281387
291486
301585

Chance of precipitation in June

Any precipitation

Susaki gets around 372 mm of rain over 19.7 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 66% and peaks near 78% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
150
251
352
454
555
656
757
858
960
1061
1162
1263
1365
1466
1567
1668
1769
1870
1971
2072
2173
2274
2375
2475
2576
2677
2777
2878
2978
3078

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 42% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
121373480
219363691
3173538101
4153339111
5133241132
6113142142
7102943153
882744173
972645194
1062445214
1152246235
1242046256
1331845277
1421645298
1521544319
16113433310
17112423411
18110413613
1919393715
2018373717
2116363819
2205343921
2305323924
2404303927
2503283929
2603263932
2702243935
2802223838
2902203741
3001183744

Wind in June

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

Across June, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
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

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 hours at the start of June to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 5:03 AM to 5:04 AM, and sunset from 7:06 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.05:037:06
214.15:037:06
314.15:027:07
414.15:027:07
514.15:027:08
614.15:027:09
714.15:027:09
814.15:017:10
914.15:017:10
1014.25:017:11
1114.25:017:11
1214.25:017:11
1314.25:017:12
1414.25:017:12
1514.25:017:13
1614.25:017:13
1714.25:017:13
1814.25:017:14
1914.25:017:14
2014.25:027:14
2114.25:027:15
2214.25:027:15
2314.25:027:15
2414.25:027:15
2514.25:037:15
2614.25:037:15
2714.25:037:16
2814.25:037:16
2914.25:047:16
3014.25:047:16

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.78 kWh/m².

For context, solar energy here swings from a low near 2.55 kWh/m² to a high of 5.53 kWh/m² in May across the year — June's 4.78 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in June

Hazard calendar for Susaki

In seasonPeak

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

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

Susaki's rainy season runs April–October, 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 Susaki?

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
4.5
Beach & pool
5th-best month of the year

June is a reasonable time to visit Susaki for sightseeing.

What to pack for Susaki in June

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

In June, Susaki sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 20 days see rain.

rain gearlight clothessun protection

Sea temperature near Susaki 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 offshore is warmest in August at about 28°C and coldest in February near 17°C.

It's comfortable for a long swim from May 8 to Dec 15 — about 7.3 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar17Cool
Apr18Cool
May21Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Cool

UV index in Susaki 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 Susaki peaks around July 11 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 highModerateJul 11UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7High
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Susaki 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 Susaki is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1321 µg/m³Oct 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Susaki?

Susaki sits at 33.4°N, 133.3°E, 6 m above sea level, in Japan. The nearest listed city is Tosa, 19 km away.

Topography around Susaki

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

Within 3 km, the terrain around Susaki has significant variations in elevation — a maximum elevation change of 327 m around an average of 50 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,002 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,894 m.

The land around Susaki is covered by trees (52%) and water (23%) within 3 km, trees (60%) and water (34%) within 16 km, and trees (61%) and water (34%) within 80 km.

3 km
327 m
16 km
1,002 m
80 km
1,894 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Tosa 19 km · Ino 22 km · Kochi 28 km · Shinagawa 38 km · Nankoku 38 km · Yamashita 43 km · Tosayamadachō-nakano 43 km · Nakamura 57 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 Susaki (33.3947°, 133.2913°, elevation 6 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).