Nikko weather in July

In July, Nikko sees average daytime highs of 24°C and overnight lows near 18°C, with 305 mm of rain across 25.4 wet days and about 14.3 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 7% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 30 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Nikko's 11th-clearest and 12th-windiest month. For the whole year in context, see Nikko's year-round climate.

Daytime high
24°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
305 mm
25.4 wet days
Daylight
14 h 18 min
4:39 AM – 6:56 PM
Cloud cover
81%
11th clearest
Wind
4 km/h
12th windiest
Solar energy
4.46 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 July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 25°C by the end.

A typical July day in Nikko reaches about 24°C in the afternoon and slips back to 18°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C cooler than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12216
22216
32317
42317
52317
62317
72317
82317
92317
102317
112417
122418
132418
142418
152418
162418
172418
182418
192418
202418
212518
222518
232518
242519
252519
262519
272519
282519
292519
302519
312619

How July really feels in Nikko

Once humidity and wind are folded in, July 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

July 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 July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-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 July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31585
41585
51684
61684
71684
81783
91783
101783
111783
121882
131882
141882
151882
161882
171981
181981
191981
201882
211981
222080
232080
242278
252278
262377
272377
282575
292575
302773
312773

Chance of precipitation in July

Any precipitation

Nikko gets around 305 mm of rain over 25.4 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 82% and peaks near 84% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
183
283
383
483
583
683
783
884
984
1084
1184
1284
1384
1484
1583
1683
1783
1883
1983
2083
2182
2282
2381
2480
2580
2679
2779
2878
2978
3078
3178

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
173345150
263146160
352947180
442848200
542648210
632549230
722449250
822248270
922148290
1012047310
1112046321
1211945341
1311844361
1411842381
1511741401
1611640421
1711538441
1811537461
1911435481
2011334502
2111233522
2211231542
2311130562
2411029582
250928612
260927613
270825643
280724663
290623683
300622693
310622693

Wind in July

Winds average 4 km/h in July, the calmest month.

Across July, daily wind ranges from about 4 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:30 AM to 4:50 AM, and sunset from 6:59 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:306:59
214.54:316:59
314.54:316:59
414.54:326:59
514.54:326:59
614.44:336:59
714.44:336:59
814.44:346:59
914.44:346:58
1014.44:356:58
1114.44:356:58
1214.44:366:57
1314.34:376:57
1414.34:376:57
1514.34:386:56
1614.34:396:56
1714.34:396:55
1814.24:406:55
1914.24:416:54
2014.24:416:54
2114.24:426:53
2214.24:436:52
2314.14:446:52
2414.14:446:51
2514.14:456:50
2614.14:466:50
2714.04:476:49
2814.04:476:48
2914.04:486:47
3014.04:496:46
3113.94:506:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.46 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 — July's 4.46 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Nikko

In seasonPeak

In July, 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 July a good time to visit Nikko?

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

4.3
Sightseeing
4th-best month of the year
3.6
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Nikko for sightseeing.

What to pack for Nikko in July

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

In July, Nikko sees daytime highs around 24°C and nights near 18°C. Pack rain gear. Worth having: light clothes. About 25 days see rain.

rain gearlight clothes

UV index in Nikko in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 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 July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July 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
July 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).