Ryōtsu-minato weather in July

In July, Ryōtsu-minato sees average daytime highs of 26°C and overnight lows near 22°C, with 205 mm of rain across 14.3 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 28°C by the end. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Ryōtsu-minato's 9th-clearest and 11th-windiest month. For the whole year in context, see Ryōtsu-minato's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
205 mm
14.3 wet days
Daylight
14 h 24 min
4:40 AM – 7:04 PM
Cloud cover
70%
9th clearest
Wind
10 km/h
11th windiest
Solar energy
5.25 kWh/m²
Travel score
5.8
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 28°C by the end.

A typical July day in Ryōtsu-minato reaches about 26°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12420
22420
32421
42521
52521
62521
72521
82521
92521
102522
112522
122622
132622
142622
152622
162622
172622
182623
192723
202723
212723
222723
232723
242723
252824
262824
272824
282824
292824
302824
312824

How July really feels in Ryōtsu-minato

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.

Ryōtsu-minato 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 / 13221.49.89.70.2
Feb / 9117.68.210.50.3
Mar / 10116.23.311.71.4
Apr13° / 8912.20.2133.5
May18° / 13°92110145.8
Jun22° / 18°12410.5014.66.4
Jul26° / 22°20514.3014.45.8
Aug28° / 24°14612.1013.55.6
Sep25° / 21°14212.5012.36.2
Oct19° / 15°13613.20115.7
Nov14° / 10°13717.30.19.93.3
Dec / 15421.64.89.41.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 67%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
32971
42872
52773
62773
72773
82773
92773
102773
112872
122872
132971
142971
153169
163169
173268
183367
193367
203466
213664
223664
233763
243961
254060
264060
274258
284258
294357
304357
314456

Chance of precipitation in July

Any precipitation

Ryōtsu-minato gets around 205 mm of rain over 14.3 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 46% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
147
248
348
449
550
650
751
851
951
1051
1152
1251
1351
1451
1550
1650
1749
1848
1947
2046
2145
2243
2342
2441
2540
2638
2737
2836
2936
3035
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 87% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
162851150
252652170
352452190
442352210
532152240
631952260
721852280
821750301
921550331
1011449351
1111348371
1211246391
1311145421
1411143441
1511041462
161940482
171838503
181836523
191735543
201633564
211631575
221530586
231528597
240426628
250425629
2604236310
2704226311
2803216412
2903206512
3003196513
3103186514

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:31 AM to 4:52 AM, and sunset from 7:08 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:317:08
214.64:327:08
314.64:327:08
414.64:337:08
514.64:337:08
614.64:347:07
714.64:347:07
814.54:357:07
914.54:357:07
1014.54:367:06
1114.54:367:06
1214.54:377:06
1314.54:387:05
1414.44:387:05
1514.44:397:04
1614.44:407:04
1714.44:407:03
1814.44:417:03
1914.34:427:02
2014.34:437:02
2114.34:437:01
2214.34:447:00
2314.24:457:00
2414.24:466:59
2514.24:476:58
2614.24:476:57
2714.14:486:57
2814.14:496:56
2914.14:506:55
3014.14:516:54
3114.04:526:53

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.25 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 5.85 kWh/m² in May across the year — July's 5.25 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.3Bright
195.3Bright
205.3Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.7Bright
Planning a trip in July

Hazard calendar for Ryōtsu-minato

In seasonPeak

In July, Ryōtsu-minato sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Ryōtsu-minato 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 July a good time to visit Ryōtsu-minato?

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

5.8
Sightseeing
3rd-best month of the year
5.7
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Ryōtsu-minato for sightseeing.

What to pack for Ryōtsu-minato in July

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

In July, Ryōtsu-minato sees daytime highs around 26°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Ryōtsu-minato in July

The nearest coast averages about 23°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 26°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 24 to Oct 29 — about 4.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Ryōtsu-minato in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Ryōtsu-minato peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 14UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Ryōtsu-minato 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 Ryōtsu-minato is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1220 µg/m³Oct 129 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr20Moderate
May18Moderate
Jun14Moderate
Jul12Moderate
Aug10Good
Sep9Good
Oct9Good
Nov10Good
Dec9Good
Location & terrain

Where is Ryōtsu-minato?

Ryōtsu-minato sits at 38.1°N, 138.4°E, 4 m above sea level, in Japan. The nearest listed city is Sado, 9.0 km away.

Topography around Ryōtsu-minato

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

Within 3 km, the terrain around Ryōtsu-minato has only modest variations in elevation — a maximum elevation change of 102 m around an average of 11 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, large variations in elevation — a maximum elevation change of 1,125 m.

The land around Ryōtsu-minato is covered by water (50%) and trees (23%) within 3 km, trees (55%) and water (34%) within 16 km, and water (78%) within 80 km.

3 km
102 m
16 km
1,155 m
80 km
1,125 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Sado 9.0 km · Maki 53 km · Niigata 55 km · Yoshida-kasugachō 59 km · Shirone 62 km · Tsubame 63 km · Kameda-honchō 63 km · Niitsu-honchō 67 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 Ryōtsu-minato (38.0782°, 138.4394°, elevation 4 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).