Ryūgasaki weather in July

In July, Ryūgasaki sees average daytime highs of 29°C and overnight lows near 23°C, with 158 mm of rain across 14.8 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 31°C by the end. The sky is clear or mostly clear about 14% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Ryūgasaki's 11th-clearest and 8th-windiest month. For the whole year in context, see Ryūgasaki's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
158 mm
14.8 wet days
Daylight
14 h 12 min
4:38 AM – 6:51 PM
Cloud cover
76%
11th clearest
Wind
10 km/h
8th windiest
Solar energy
4.85 kWh/m²
Travel score
4.5
out of 10

Ryūgasaki is city in Ibaraki Prefecture, Japan.

Density
1,091/km²
people per km²
Founded
1954

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 28°C in the first days to 31°C by the end.

A typical July day in Ryūgasaki reaches about 29°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C cooler than August.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52822
62822
72822
82922
92922
102922
112922
122922
132922
142923
152923
162923
173023
183023
193023
203023
213023
223023
233023
243024
253024
263124
273124
283124
293124
303124
313124

How July really feels in Ryūgasaki

Once humidity and wind are folded in, July averages 17 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
17
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Ryūgasaki weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 667.31.19.82.1
Feb10° / 647.91.710.62.3
Mar13° / 11312.40.711.73.6
Apr18° / 10°10812.3012.95.5
May23° / 15°12912013.96.3
Jun26° / 19°15014.4014.45.6
Jul29° / 23°15814.8014.24.5
Aug31° / 24°11912.9013.44.2
Sep27° / 21°16914.2012.25.5
Oct21° / 15°19112.6011.16.1
Nov16° / 919.8010.15.2
Dec11° / 628.10.19.63.2

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 11% 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 (%)
11981
22080
32278
42278
52278
62278
72377
82476
92575
102476
112476
122476
132575
142476
152476
162476
172476
182476
192575
202575
212575
222674
232674
242872
252971
263070
273268
283268
293466
303565
313664

Chance of precipitation in July

Any precipitation

Ryūgasaki gets around 158 mm of rain over 14.8 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 47% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
255
355
455
555
654
754
853
953
1052
1151
1250
1349
1448
1547
1646
1745
1844
1944
2043
2142
2242
2342
2441
2541
2640
2740
2839
2939
3039
3139

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 52% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
141740371
241639392
331538412
431536433
521435453
621434464
721333484
821331495
911330515
1011229526
1111228527
1211227537
1311226538
1411225539
15112245310
16112235411
17111225511
18111215512
19110205613
20010195714
2109185815
2209185716
2308175817
2408175718
2507165819
2607165720
2706155722
2806145723
2906145624
3005135725
3105135626

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
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 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 30 minutes over July. Sunrise moves from 4:30 AM to 4:49 AM, and sunset from 6:55 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:306:55
214.44:316:55
314.44:316:55
414.44:326:55
514.44:326:55
614.44:336:54
714.44:336:54
814.34:346:54
914.34:346:54
1014.34:356:54
1114.34:356:53
1214.34:366:53
1314.34:376:53
1414.34:376:52
1514.24:386:52
1614.24:386:51
1714.24:396:51
1814.24:406:50
1914.24:406:50
2014.14:416:49
2114.14:426:49
2214.14:436:48
2314.14:436:47
2414.04:446:47
2514.04:456:46
2614.04:466:45
2714.04:466:45
2813.94:476:44
2913.94:486:43
3013.94:496:42
3113.94:496:41

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.85 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 5.27 kWh/m² in May across the year — July's 4.85 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.1Bright
265.1Bright
275.1Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Hazard calendar for Ryūgasaki

In seasonPeak

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

Ryūgasaki 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 Ryūgasaki?

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

4.5
Sightseeing
7th-best month of the year
5.9
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Ryūgasaki for sightseeing.

What to pack for Ryūgasaki in July

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

In July, Ryūgasaki sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Ryūgasaki 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 at the nearest coast (about 41 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Ryūgasaki 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 Ryūgasaki peaks around July 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 21UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ryūgasaki 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 Ryūgasaki is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2425 µg/m³Dec 1914 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun19Moderate
Jul16Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Ryūgasaki?

Ryūgasaki sits at 35.9°N, 140.2°E, 8 m above sea level, in Japan. The nearest listed city is Fujishiro, 6.0 km away.

Topography around Ryūgasaki

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

Within 3 km, the terrain around Ryūgasaki has only modest variations in elevation — a maximum elevation change of 39 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, large variations in elevation — a maximum elevation change of 840 m.

The land around Ryūgasaki is covered by cropland (59%) and artificial surfaces (25%) within 3 km, cropland (36%), trees (30%) and artificial surfaces (22%) within 16 km, and water (28%), trees (25%) and artificial surfaces (25%) within 80 km.

3 km
39 m
16 km
54 m
80 km
840 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Fujishiro 6.0 km · Fukawa 6.0 km · Inzai 7.0 km · Ushiku 9.0 km · Ajiki 9.0 km · Toride 9.0 km · Edosaki 13 km · Inashiki 14 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 Ryūgasaki (35.9°, 140.1833°, elevation 8 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).