Asso weather in June

In June, Asso sees average daytime highs of 24°C and overnight lows near 19°C, with 349 mm of rain across 16.9 wet days and about 14.2 hours of daylight. It is the 4th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 25°C by the end. The sky is clear or mostly clear about 12% of the time in June, and the air most often feels humid.

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

Daytime high
24°
4th warmest
Overnight low
19°
9th coldest
Rainfall
349 mm
16.9 wet days
Daylight
14 h 12 min
4:52 AM – 7:05 PM
Cloud cover
80%
12th clearest
Wind
11 km/h
10th windiest
Solar energy
4.83 kWh/m²
Travel score
5.4
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 25°C by the end.

A typical June day in Asso reaches about 24°C in the afternoon and slips back to 19°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°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°151015202530
Avg high (°C)Avg low (°C)
12317
22317
32317
42317
52317
62318
72318
82318
92318
102418
112418
122419
132419
142419
152419
162419
172419
182419
192420
202420
212520
222520
232520
242520
252521
262521
272521
282521
292621
302621

How June really feels in Asso

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.

Asso 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
Jan / 92101.1101.7
Feb10° / 1109.91.210.72.0
Mar13° / 16511.90.111.73.5
Apr17° / 10°17911.6012.85.3
May21° / 15°20112.4013.76.1
Jun24° / 19°34916.9014.25.4
Jul28° / 23°316180144.9
Aug29° / 24°19317.1013.34.8
Sep26° / 21°24214.8012.25.8
Oct22° / 16°22611.6011.26.5
Nov16° / 10°1338.9010.35.4
Dec11° / 949.30.49.83.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 9% of June, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23070
33070
42971
52971
62872
72773
82674
92575
102575
112377
122377
132278
142179
151981
161882
171882
181684
191783
201783
211783
221783
231684
241585
251585
261684
271783
281783
291882
301882

Chance of precipitation in June

Any precipitation

Asso gets around 349 mm of rain over 16.9 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 57% and peaks near 68% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
140
241
342
443
544
646
747
848
950
1051
1153
1254
1356
1457
1559
1660
1762
1863
1964
2064
2165
2266
2366
2467
2567
2668
2768
2868
2968
3068

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 46% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
118373591
2173637101
3153438111
4133340131
5123141142
6113042162
792843173
882643194
972444214
1062244235
1152044256
1241844277
1331643298
1431443319
15213413311
16211403412
17210383614
1829373716
1918353818
2017333920
2116313922
2215294025
2315274028
2414254031
2504233934
2603203937
2703183840
2802173843
2902153746
3002133648

Wind in June

Winds average 11 km/h in June.

Across June, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 06 min 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 6 minutes over June. Sunrise moves from 4:54 AM to 4:55 AM, and sunset from 6:58 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:546:58
214.14:536:59
314.14:536:59
414.14:537:00
514.14:537:00
614.14:537:01
714.24:527:01
814.24:527:02
914.24:527:02
1014.24:527:03
1114.24:527:03
1214.24:527:04
1314.24:527:04
1414.24:527:05
1514.24:527:05
1614.24:527:05
1714.24:527:06
1814.24:527:06
1914.24:527:06
2014.24:527:07
2114.24:527:07
2214.24:537:07
2314.24:537:07
2414.24:537:07
2514.24:537:08
2614.24:547:08
2714.24:547:08
2814.24:547:08
2914.24:557:08
3014.24:557:08

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.83 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.53 kWh/m² in May across the year — June's 4.83 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
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
204.7Bright
214.7Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.8Bright
Planning a trip in June

Hazard calendar for Asso

In seasonPeak

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

Asso 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 Asso?

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
4.6
Beach & pool
4th-best month of the year

June is a reasonable time to visit Asso for sightseeing.

What to pack for Asso in June

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

In June, Asso sees daytime highs around 24°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

Sea temperature near Asso 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 4 to Dec 22 — about 7.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar18Cool
Apr19Cool
May21Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in Asso 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 Asso peaks around July 11 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Asso 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 Asso is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (September, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1317 µg/m³Sep 159 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar17Moderate
Apr18Moderate
May16Moderate
Jun13Moderate
Jul9Good
Aug9Good
Sep9Good
Oct9Good
Nov9Good
Dec9Good
Location & terrain

Where is Asso?

Asso sits at 33.7°N, 135.4°E, 13 m above sea level, in Japan. The nearest listed city is Tanabe, 6.0 km away.

Topography around Asso

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

Within 3 km, the terrain around Asso has only modest variations in elevation — a maximum elevation change of 218 m around an average of 46 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 789 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.

The land around Asso is covered by trees (59%) and artificial surfaces (22%) within 3 km, trees (64%) and water (30%) within 16 km, and water (53%) and trees (44%) within 80 km.

3 km
218 m
16 km
789 m
80 km
1,877 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Tanabe 6.0 km · Shirahama 6.0 km · Gobō 30 km · Itogawa 39 km · Kushimoto 42 km · Arida 50 km · Shingū 53 km · Kainan 54 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 Asso (33.7°, 135.4167°, elevation 13 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).