Tokai weather in June

In June, Tokai sees average daytime highs of 23°C and overnight lows near 18°C, with 151 mm of rain across 14.7 wet days and about 14.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 11% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 18 min at the start of June to 14 h 30 min by month's end. Set against the rest of the year, June is Tokai's 12th-clearest and 10th-windiest month. For the whole year in context, see Tokai's year-round climate.

Daytime high
23°
4th warmest
Overnight low
18°
9th coldest
Rainfall
151 mm
14.7 wet days
Daylight
14 h 30 min
4:24 AM – 6:52 PM
Cloud cover
79%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
4.82 kWh/m²
Travel score
5.6
out of 10

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical June day in Tokai reaches about 23°C in the afternoon and slips back to 18°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°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)
12216
22216
32216
42217
52217
62217
72217
82217
92217
102217
112217
122318
132318
142318
152318
162318
172318
182318
192319
202319
212419
222419
232419
242419
252419
262420
272420
282420
292520
302520

How June really feels in Tokai

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.

Tokai weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 637.31.59.81.4
Feb / 637.3210.61.5
Mar11° / 11512.51.211.72.7
Apr16° / 12111.90.212.94.5
May20° / 14°14412.5013.95.8
Jun23° / 18°15114.7014.45.6
Jul27° / 22°17816014.25.4
Aug28° / 23°13114013.45.4
Sep25° / 20°17914.7012.25.8
Oct20° / 15°19612.7011.15.9
Nov15° / 989.5010.14.7
Dec10° / 647.60.39.62.6

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 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13268
23169
33169
42971
52971
62872
72674
82674
92575
102377
112377
122278
132080
141981
151981
161882
171783
181783
191684
201684
211684
221684
231684
241684
251684
261585
271585
281684
291684
301882

Chance of precipitation in June

Any precipitation

Tokai gets around 151 mm of rain over 14.7 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 50% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
139
239
340
440
541
642
743
844
945
1046
1147
1248
1350
1451
1552
1653
1754
1854
1954
2055
2155
2255
2356
2456
2556
2657
2757
2857
2957
3057

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
124393250
222393460
320383570
418383680
516373890
6153639100
7133540120
8123441130
9103242150
1093143171
1182943191
1272844211
1362644231
1452444251
1542244282
1642144302
1731943323
1831842343
1931641355
2021540376
2121439387
2221337409
23211364110
24210344212
2519334214
2618314316
2718294418
2817284420
2916264423
3016254425

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 18 min at the start of June to 14 h 30 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 4:26 AM to 4:27 AM, and sunset from 6:44 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:266:44
214.34:266:45
314.34:266:46
414.34:256:46
514.44:256:47
614.44:256:47
714.44:256:48
814.44:246:49
914.44:246:49
1014.44:246:50
1114.44:246:50
1214.44:246:51
1314.54:246:51
1414.54:246:51
1514.54:246:52
1614.54:246:52
1714.54:246:53
1814.54:246:53
1914.54:246:53
2014.54:246:54
2114.54:246:54
2214.54:246:54
2314.54:256:54
2414.54:256:54
2514.54:256:55
2614.54:256:55
2714.54:266:55
2814.54:266:55
2914.54:266:55
3014.54:276:55

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.82 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.33 kWh/m² in May across the year — June's 4.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.3Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
114.9Bright
124.8Bright
134.8Bright
144.8Bright
154.7Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.5Bright
234.5Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in June

Hazard calendar for Tokai

In seasonPeak

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

Tokai 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 Tokai?

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

5.6
Sightseeing
4th-best month of the year
4.4
Beach & pool
4th-best month of the year

June is a reasonable time to visit Tokai for sightseeing.

What to pack for Tokai in June

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

In June, Tokai sees daytime highs around 23°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

Sea temperature near Tokai in June

The nearest coast averages about 19°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 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 24 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Tokai in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tokai peaks around July 24 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 24UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Tokai 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 Tokai is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Tokai?

Tokai sits at 36.5°N, 140.6°E, 26 m above sea level, in Japan. The nearest listed city is Funaishikawa, 1.0 km away.

Topography around Tokai

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

Within 3 km, the terrain around Tokai has only modest variations in elevation — a maximum elevation change of 50 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 597 m; within 80 km, large variations in elevation — a maximum elevation change of 1,042 m.

The land around Tokai is covered by artificial surfaces (38%), cropland (30%) and trees (23%) within 3 km, water (29%), trees (26%) and artificial surfaces (22%) within 16 km, and trees (42%) and water (27%) within 80 km.

3 km
50 m
16 km
597 m
80 km
1,042 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Funaishikawa 1.0 km · Inada 6.0 km · Hitachi-Naka 9.0 km · Hitachi-ota 9.0 km · Katsuta 10 km · Ōmiya 16 km · Hitachi 16 km · Ishitsuka 16 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 Tokai (36.474°, 140.5635°, elevation 26 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).