Nikko weather in June

In June, Nikko sees average daytime highs of 20°C and overnight lows near 14°C, with 228 mm of rain across 22.2 wet days and about 14.5 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 7% of the time in June, and the air most often feels dry.

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 Nikko's 12th-clearest and 10th-windiest month. For the whole year in context, see Nikko's year-round climate.

Daytime high
20°
4th warmest
Overnight low
14°
9th coldest
Rainfall
228 mm
22.2 wet days
Daylight
14 h 30 min
4:27 AM – 6:57 PM
Cloud cover
81%
12th clearest
Wind
5 km/h
10th windiest
Solar energy
4.66 kWh/m²
Travel score
4.3
out of 10

Nikko is city in Tochigi prefecture, Japan.

Density
54/km²
people per km²
Founded
~800 CE

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 19°C in the first days to 22°C by the end.

A typical June day in Nikko reaches about 20°C in the afternoon and slips back to 14°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°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)
11911
21911
31912
41912
51912
61912
71912
81912
91913
102013
112013
122013
132013
142013
152014
162014
172014
182014
192114
202114
212115
222115
232115
242115
252115
262115
272216
282216
292216
302216

How June really feels in Nikko

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.

Nikko 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 / -6°629.611.69.80.0
Feb / -5°589.59.610.60.0
Mar / -2°112149.611.70.5
Apr12° / 13715.12.812.92.8
May17° / 17617.10.113.94.5
Jun20° / 14°22822.2014.54.3
Jul24° / 18°30525.4014.34.3
Aug25° / 19°25925013.44.5
Sep21° / 15°26920.1012.24.7
Oct16° / 19816.60.111.14.1
Nov10° / 849.41.1102.3
Dec / -3°5910.17.89.50.1

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 83%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12773
22674
32575
42575
52377
62377
72179
82179
92080
102080
111981
121882
131882
141783
151684
161684
171684
181684
191684
201585
211486
221486
231387
241387
251387
261387
271387
281387
291387
301387

Chance of precipitation in June

Any precipitation

Nikko gets around 228 mm of rain over 22.2 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 74% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
163
263
364
465
566
667
768
869
970
1070
1171
1272
1373
1474
1575
1676
1777
1877
1978
2079
2179
2280
2380
2481
2581
2682
2782
2883
2983
3083

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 41% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1801820
2782020
3762130
4742330
5712540
6692740
7662950
8633160
9603370
10573580
115337100
125039110
134641120
144342140
154044161
163745171
173545191
183246202
193046222
202746243
212546263
222345284
232045305
241844326
251642347
261441368
271340389
2811384011
2910364212
309354413

Wind in June

Winds average 5 km/h in June.

Across June, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 4:29 AM to 4:30 AM, and sunset from 6:49 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:296:49
214.34:296:49
314.44:296:50
414.44:286:51
514.44:286:51
614.44:286:52
714.44:286:53
814.44:276:53
914.44:276:54
1014.54:276:54
1114.54:276:55
1214.54:276:55
1314.54:276:56
1414.54:276:56
1514.54:276:56
1614.54:276:57
1714.54:276:57
1814.54:276:57
1914.54:276:58
2014.54:276:58
2114.54:276:58
2214.54:276:59
2314.54:286:59
2414.54:286:59
2514.54:286:59
2614.54:286:59
2714.54:296:59
2814.54:296:59
2914.54:296:59
3014.54:307:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.66 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 5.28 kWh/m² in May across the year — June's 4.66 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.0Bright
75.0Bright
84.9Bright
94.9Bright
104.8Bright
114.8Bright
124.7Bright
134.7Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in June

Hazard calendar for Nikko

In seasonPeak

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

Nikko's rainy season runs May–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is June a good time to visit Nikko?

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

4.3
Sightseeing
4th-best month of the year
2.3
Beach & pool
4th-best month of the year

June is a reasonable time to visit Nikko for sightseeing.

What to pack for Nikko in June

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

In June, Nikko sees daytime highs around 20°C and nights near 14°C. Pack rain gear. Worth having: sun protection. About 22 days see rain.

rain gearsun protection

UV index in Nikko 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 Nikko peaks around July 18 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 18UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7High
May9Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Nikko 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 Nikko is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Nikko?

Nikko sits at 36.8°N, 139.6°E, 555 m above sea level, in Japan. The nearest listed city is Imaichi, 7.0 km away.

Topography around Nikko

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

Within 3 km, the terrain around Nikko has large variations in elevation — a maximum elevation change of 635 m around an average of 673 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,272 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,551 m.

The land around Nikko is covered by trees (88%) within 3 km, trees (87%) within 16 km, and trees (72%) within 80 km.

3 km
635 m
16 km
2,272 m
80 km
2,551 m
treesgrasslandcroplandartificial surfaceswater
June weather nearby: Imaichi 7.0 km · Kanuma 25 km · Yaita 29 km · Utsunomiya 31 km · Ujiie 32 km · Sakura 33 km · Hōshakuji 35 km · Ōtawara 39 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 Nikko (36.75°, 139.6167°, elevation 555 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. 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).