Chūō weather in July

In July, Chūō sees average daytime highs of 25°C and overnight lows near 18°C, with 269 mm of rain across 21.3 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 26°C by the end. The sky is clear or mostly clear about 12% of the time in July, and the air most often feels humid.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Chūō's 11th-clearest and 7th-windiest month. For the whole year in context, see Chūō's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
269 mm
21.3 wet days
Daylight
14 h 12 min
4:46 AM – 6:57 PM
Cloud cover
77%
11th clearest
Wind
5 km/h
7th windiest
Solar energy
4.78 kWh/m²
Travel score
4.9
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 24°C in the first days to 26°C by the end.

A typical July day in Chūō reaches about 25°C in the afternoon and slips back to 18°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 29°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)
12316
22417
32417
42417
52417
62417
72417
82417
92517
102518
112518
122518
132518
142518
152518
162518
172518
182518
192618
202618
212618
222618
232618
242619
252619
262619
272619
282619
292619
302619
312619

How July really feels in Chūō

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.

Chūō weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°807.76.89.90.0
Feb / -6°939.16.810.70.0
Mar / -2°166147.211.71.3
Apr14° / 16814.11.712.93.6
May18° / 17514.8013.95.2
Jun21° / 14°24318.9014.44.8
Jul25° / 18°26921.3014.24.9
Aug26° / 19°19220.9013.35.0
Sep22° / 15°27018.2012.25.2
Oct17° / 24615.6011.14.8
Nov12° / 12110.90.310.13.1
Dec / -2°808.33.59.60.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 75%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31882
41882
51882
61882
72179
82179
92179
102278
112278
122278
132278
142377
152377
162377
172476
182476
192575
202575
212674
222773
232773
242971
252971
263169
273268
283367
293466
303565
313664

Chance of precipitation in July

Any precipitation

Chūō gets around 269 mm of rain over 21.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 69% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
371
470
570
670
770
870
970
1070
1169
1269
1369
1468
1568
1667
1767
1867
1967
2067
2167
2267
2367
2468
2568
2668
2769
2869
2969
3069
3170

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 33% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
153351110
243153120
332955130
432756140
522557160
622358170
712259180
812059200
911959210
1011858230
1101759240
1201659250
1301557271
1401457281
1501356301
1601255321
1701254331
1801153351
1901052371
200952381
210950401
220849421
230848431
240747451
250646471
260645491
270543511
280442531
290441541
300340561
310340561

Wind in July

Winds average 5 km/h in July.

Across July, 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.

0246810151015202531
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
315calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 min at the start of July to 13 h 48 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 4:38 AM to 4:57 AM, and sunset from 7:01 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:387:01
214.44:387:01
314.44:397:01
414.44:397:01
514.34:407:00
614.34:407:00
714.34:417:00
814.34:417:00
914.34:427:00
1014.34:426:59
1114.34:436:59
1214.34:436:59
1314.24:446:58
1414.24:456:58
1514.24:456:58
1614.24:466:57
1714.24:476:57
1814.24:476:56
1914.14:486:56
2014.14:496:55
2114.14:496:55
2214.14:506:54
2314.04:516:53
2414.04:516:53
2514.04:526:52
2614.04:536:51
2713.94:546:51
2813.94:546:50
2913.94:556:49
3013.94:566:48
3113.84:576:47

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.78 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 5.39 kWh/m² in May across the year — July's 4.78 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in July

Is July a good time to visit Chūō?

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

4.9
Sightseeing
4th-best month of the year
4.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Chūō for sightseeing.

What to pack for Chūō in July

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

In July, Chūō sees daytime highs around 25°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

Sea temperature near Chūō in July

The nearest coast averages about 24°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 53 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Chūō in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Chūō peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highExtremeVery highModerateJul 14UV 11Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Chūō 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 Chūō is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Chūō?

Chūō sits at 35.6°N, 138.5°E, 249 m above sea level, in Japan. The nearest listed city is Minamiarupusu, 4.0 km away.

Topography around Chūō

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

Within 3 km, the terrain around Chūō has only modest variations in elevation — a maximum elevation change of 53 m around an average of 255 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,927 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,735 m.

The land around Chūō is covered by artificial surfaces (50%) and cropland (36%) within 3 km, trees (65%) and artificial surfaces (20%) within 16 km, and trees (82%) within 80 km.

3 km
53 m
16 km
1,927 m
80 km
3,735 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Minamiarupusu 4.0 km · Minami-Alps 4.0 km · Shōwa 5.0 km · Ryūō 6.0 km · Kofu 10 km · Kai 10 km · Nirasaki 13 km · Fuefuki 13 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 Chūō (35.5947°, 138.5027°, elevation 249 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. 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).