Mashiko weather in June

In June, Mashiko sees average daytime highs of 26°C and overnight lows near 18°C, with 144 mm of rain across 15.1 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 25°C in the first days to 27°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 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 Mashiko's 12th-clearest and 7th-windiest month. For the whole year in context, see Mashiko's year-round climate.

Daytime high
26°
4th warmest
Overnight low
18°
9th coldest
Rainfall
144 mm
15.1 wet days
Daylight
14 h 30 min
4:26 AM – 6:54 PM
Cloud cover
80%
12th clearest
Wind
7 km/h
7th windiest
Solar energy
4.42 kWh/m²
Travel score
5.5
out of 10

Mashiko is town in Haga district, Tochigi prefecture, Japan.

Density
291/km²
people per km²
Founded
1894

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 25°C in the first days to 27°C by the end.

A typical June day in Mashiko reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°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)
12516
22516
32516
42516
52516
62517
72517
82517
92517
102517
112517
122517
132518
142518
152518
162618
172618
182618
192618
202619
212619
222619
232619
242619
252719
262719
272720
282720
292720
302720

How June really feels in Mashiko

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.

Mashiko 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 / -0°526.11.49.81.8
Feb10° / 516.61.810.62.2
Mar13° / 9711.41.111.73.6
Apr18° / 10911.70.212.95.5
May23° / 13°13412.4013.96.3
Jun26° / 18°14415.1014.45.5
Jul29° / 22°17416.4014.24.4
Aug30° / 23°12813.8013.44.2
Sep27° / 19°16514.1012.25.6
Oct21° / 13°16412011.16.2
Nov16° / 768.1010.15.2
Dec11° / 496.40.39.63.0

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 11% of June, with mostly cloudy or overcast conditions the remaining 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23070
32971
42773
52773
62674
72476
82476
92377
102278
112179
122080
131981
141981
151882
161783
171783
181783
191783
201783
211783
221783
231783
241783
251783
261783
271783
281783
291783
301783

Chance of precipitation in June

Any precipitation

Mashiko gets around 144 mm of rain over 15.1 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 51% and peaks near 59% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
140
240
340
441
542
642
743
844
945
1046
1148
1249
1351
1452
1553
1654
1755
1855
1956
2056
2157
2257
2358
2458
2558
2659
2759
2859
2959
3059

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 35% of days. Sticky, muggy-or-worse air turns up on roughly 32% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1274127400
2254129500
3234130600
4214032700
5194033800
6173935910
71638361010
81436381110
91235391310
101133401410
11932411620
12830421820
13728432020
14626432230
15524432530
16422432740
17420422940
18319423150
19317413360
20316393570
21215383780
222133639100
232123540110
242113341130
251103143150
26193044170
27182844190
28172645210
29162545231
30162345251

Wind in June

Winds average 7 km/h in June.

Across June, daily wind ranges from about 7 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
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 4:28 AM to 4:29 AM, and sunset from 6:46 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:286:46
214.34:286:47
314.34:276:47
414.34:276:48
514.44:276:49
614.44:276:49
714.44:266:50
814.44:266:50
914.44:266:51
1014.44:266:51
1114.44:266:52
1214.44:266:52
1314.54:266:53
1414.54:266:53
1514.54:266:54
1614.54:266:54
1714.54:266:54
1814.54:266:55
1914.54:266:55
2014.54:266:55
2114.54:266:56
2214.54:266:56
2314.54:276:56
2414.54:276:56
2514.54:276:56
2614.54:276:57
2714.54:286:57
2814.54:286:57
2914.54:286:57
3014.54:296:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.42 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 5.08 kWh/m² in May across the year — June's 4.42 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
44.9Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.1Bright
294.1Bright
304.1Bright
Planning a trip in June

Hazard calendar for Mashiko

In seasonPeak

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

Mashiko 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 Mashiko?

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

5.5
Sightseeing
4th-best month of the year
5.2
Beach & pool
4th-best month of the year

June is a reasonable time to visit Mashiko for sightseeing.

What to pack for Mashiko in June

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

In June, Mashiko sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Mashiko 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 at the nearest coast (about 48 km away) 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 Mashiko 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 Mashiko peaks around July 17 at about 9 (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 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Mashiko 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 Mashiko 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 Mashiko?

Mashiko sits at 36.5°N, 140.1°E, 79 m above sea level, in Japan. The nearest listed city is Mooka, 8.0 km away.

Topography around Mashiko

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

Within 3 km, the terrain around Mashiko has only modest variations in elevation — a maximum elevation change of 237 m around an average of 107 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Mashiko is covered by trees (54%) and cropland (25%) within 3 km, trees (54%) and cropland (28%) within 16 km, and trees (49%) and cropland (20%) within 80 km.

3 km
237 m
16 km
491 m
80 km
2,553 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Mooka 8.0 km · Iwase 13 km · Kaminokawa 17 km · Kasama 18 km · Chikusei 20 km · Karasuyama 21 km · Hōshakuji 21 km · Shimodate 21 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 Mashiko (36.4667°, 140.1°, elevation 79 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).