Tsuma weather in June

In June, Tsuma sees average daytime highs of 25°C and overnight lows near 22°C, with 387 mm of rain across 17.6 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 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 11% of the time in June, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of June to 14 h 06 min by month's end. Set against the rest of the year, June is Tsuma's 12th-clearest and 10th-windiest month. For the whole year in context, see Tsuma's year-round climate.

Daytime high
25°
4th warmest
Overnight low
22°
9th coldest
Rainfall
387 mm
17.6 wet days
Daylight
14 h 06 min
5:12 AM – 7:17 PM
Cloud cover
82%
12th clearest
Wind
12 km/h
10th windiest
Solar energy
4.22 kWh/m²
Travel score
5.3
out of 10

Tsuma is human settlement in Japan.

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 23°C in the first days to 26°C by the end.

A typical June day in Tsuma reaches about 25°C in the afternoon and slips back to 22°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, June runs about 3°C warmer than May and about 3°C cooler than July.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12320
22320
32320
42320
52320
62420
72421
82421
92421
102421
112421
122421
132421
142421
152422
162522
172522
182522
192522
202522
212522
222522
232523
242623
252623
262623
272623
282623
292623
302624

How June really feels in Tsuma

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.

Tsuma 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 daysDaylight (hours)Travel score
Jan12° / 79710.13.6
Feb13° / 988.110.83.7
Mar15° / 11°15412.211.84.6
Apr19° / 14°17511.712.85.7
May22° / 18°20012.613.66.1
Jun25° / 22°38717.614.15.3
Jul28° / 25°22414.113.95.3
Aug29° / 26°21015.613.24.9
Sep27° / 24°26815.412.25.7
Oct23° / 20°17410.511.26.9
Nov19° / 15°1088.510.46.4
Dec14° / 10°806.39.94.8

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 80%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22773
32674
42674
52575
62476
72476
82278
92278
102278
112179
122080
132080
141981
151981
161882
171882
181882
191783
201882
211882
221783
231783
241783
251783
261882
271882
281882
292080
302080

Chance of precipitation in June

Any precipitation

Tsuma gets around 387 mm of rain over 17.6 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 58% and peaks near 64% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
147
249
350
451
552
653
754
854
955
1057
1158
1259
1360
1461
1562
1662
1763
1863
1963
2064
2164
2264
2363
2463
2563
2662
2761
2860
2959
3058

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 41% of days. Sticky, muggy-or-worse air turns up on roughly 76% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1213423850
2212413960
3211404170
4110384280
5193744100
6173645110
7163446130
8053247150
9053148170
10042949190
11032649210
12022450230
13022249260
14022149280
15011949310
16011748340
17011647360
18011446390
19011344420
20001143451
21001041471
2200939511
2300737542
2400635563
2500533593
2600531595
2700429616
2800326638
2900324649
30002226511

Wind in June

Winds average 12 km/h in June.

Across June, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 13 h 54 min 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 12 minutes over June. Sunrise moves from 5:14 AM to 5:15 AM, and sunset from 7:10 PM to 7:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:147:10
214.05:137:11
314.05:137:11
414.05:137:12
514.05:137:12
614.05:127:13
714.05:127:13
814.05:127:14
914.05:127:14
1014.05:127:15
1114.15:127:15
1214.15:127:16
1314.15:127:16
1414.15:127:17
1514.15:127:17
1614.15:127:17
1714.15:127:18
1814.15:127:18
1914.15:127:18
2014.15:127:19
2114.15:137:19
2214.15:137:19
2314.15:137:19
2414.15:137:19
2514.15:137:20
2614.15:147:20
2714.15:147:20
2814.15:147:20
2914.15:157:20
3014.15:157:20

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.22 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 5.12 kWh/m² in July across the year — June's 4.22 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.5Bright
74.5Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.2Bright
144.2Bright
154.2Bright
164.1Bright
174.1Bright
184.1Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in June

Hazard calendar for Tsuma

In seasonPeak

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

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

Tsuma's rainy season runs April–September, 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 Tsuma?

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

5.3
Sightseeing
6th-best month of the year
4.7
Beach & pool
5th-best month of the year

June is a reasonable time to visit Tsuma for sightseeing.

What to pack for Tsuma in June

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

In June, Tsuma sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 18 days see rain.

rain gearlight clothes

Sea temperature near Tsuma in June

The nearest coast averages about 24°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 21 km away) is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 22 to Jan 1 — about 8.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr20Cool
May22Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Tsuma in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tsuma peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highHighModerateJun 22UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Tsuma 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 Tsuma is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2025 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr23Moderate
May22Moderate
Jun18Moderate
Jul14Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Tsuma?

Tsuma sits at 32.1°N, 131.4°E, 11 m above sea level, in Japan. The nearest listed city is Saito, 2.0 km away.

Topography around Tsuma

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

Within 3 km, the terrain around Tsuma has only modest variations in elevation — a maximum elevation change of 131 m around an average of 30 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,020 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Tsuma is covered by cropland (38%), trees (29%) and artificial surfaces (23%) within 3 km, trees (59%) within 16 km, and trees (64%) and water (28%) within 80 km.

3 km
131 m
16 km
1,020 m
80 km
1,714 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Saito 2.0 km · Shintomi 9.0 km · Takanabe 10 km · Kawaminami 14 km · Honjō 14 km · Miyazaki 20 km · Kobayashi 41 km · Hyūga 42 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 Tsuma (32.1°, 131.4°, elevation 11 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).