Shōwa weather in July

In July, Shōwa sees average daytime highs of 25°C and overnight lows near 17°C, with 199 mm of rain across 17.4 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 26°C by the end. The sky is clear or mostly clear about 13% 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 Shōwa's 11th-clearest and 9th-windiest month. For the whole year in context, see Shōwa's year-round climate.

Daytime high
25°
2nd warmest
Overnight low
17°
11th coldest
Rainfall
199 mm
17.4 wet days
Daylight
14 h 12 min
4:46 AM – 6:57 PM
Cloud cover
77%
11th clearest
Wind
5 km/h
9th windiest
Solar energy
4.83 kWh/m²
Travel score
5.4
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 26°C by the end.

A typical July day in Shōwa reaches about 25°C in the afternoon and slips back to 17°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 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
22316
32316
42416
52416
62417
72417
82417
92417
102417
112417
122517
132517
142517
152517
162517
172518
182518
192518
202518
212618
222618
232618
242618
252618
262618
272618
282618
292618
302618
312618

How July really feels in Shōwa

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.

Shōwa 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 / -7°646.879.90.0
Feb / -6°727.96.510.70.0
Mar / -3°12512.87.611.70.9
Apr13° / 12112.62.112.93.5
May18° / 13012.80.113.95.4
Jun21° / 13°17716.3014.45.2
Jul25° / 17°19917.4014.25.4
Aug26° / 18°13916.8013.35.6
Sep22° / 15°18514.6012.25.7
Oct17° / 18613011.14.9
Nov11° / 859.20.510.12.8
Dec / -3°607.44.29.60.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% 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%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41981
51981
62080
72179
82278
92377
102377
112377
122377
132377
142476
152476
162575
172674
182674
192674
202773
212773
222872
232971
242971
253070
263169
273268
283268
293367
303565
313565

Chance of precipitation in July

Any precipitation

Shōwa gets around 199 mm of rain over 17.4 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 56% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
261
361
460
560
660
760
859
959
1058
1158
1257
1357
1456
1555
1655
1754
1854
1953
2053
2153
2253
2353
2453
2553
2653
2753
2853
2954
3054
3154

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11440432
21239463
31139483
4938503
5837514
6636535
7535555
8435556
9434557
10333577
11232588
12231589
13230599
142295910
152286010
161276111
171256212
181246213
191236313
201226314
211206415
221196416
231186417
241176418
251166320
261156321
270146422
280136423
290126424
300116425
310106426

Wind in July

Winds average 5 km/h in July.

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
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
264calm
274calm
284calm
294calm
304calm
314calm

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
514.34:397:00
614.34:407:00
714.34:407:00
814.34:417:00
914.34:427:00
1014.34:426:59
1114.34:436:59
1214.34:436:59
1314.24:446:58
1414.24:446:58
1514.24:456:58
1614.24:466:57
1714.24:466:57
1814.24:476:56
1914.14:486:56
2014.14:486:55
2114.14:496:55
2214.14:506:54
2314.04:516:53
2414.04:516:53
2514.04:526:52
2614.04:536:51
2714.04:536:51
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 4.83 kWh/m².

For context, solar energy here swings from a low near 2.63 kWh/m² to a high of 5.51 kWh/m² in May across the year — July's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in July

Is July a good time to visit Shōwa?

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

5.4
Sightseeing
3rd-best month of the year
4.9
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Shōwa for sightseeing.

What to pack for Shōwa in July

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

In July, Shōwa sees daytime highs around 25°C and nights near 17°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

Sea temperature near Shōwa 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 57 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 Shōwa 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 Shōwa 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 Shōwa 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 Shōwa is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Shōwa?

Shōwa sits at 35.6°N, 138.5°E, 272 m above sea level, in Japan. The nearest listed city is Ryūō, 4.0 km away.

Topography around Shōwa

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

Within 3 km, the terrain around Shōwa has only modest variations in elevation — a maximum elevation change of 36 m around an average of 264 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,834 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,735 m.

The land around Shōwa is covered by artificial surfaces (78%) within 3 km, trees (61%) and artificial surfaces (22%) within 16 km, and trees (81%) within 80 km.

3 km
36 m
16 km
1,834 m
80 km
3,735 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Ryūō 4.0 km · Chūō 5.0 km · Kofu 5.0 km · Minami-Alps 7.0 km · Kai 7.0 km · Minamiarupusu 7.0 km · Isawa 9.0 km · Fuefuki 9.0 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 Shōwa (35.6279°, 138.5351°, elevation 272 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).