Itogawa weather in July

In July, Itogawa sees average daytime highs of 28°C and overnight lows near 24°C, with 224 mm of rain across 14.3 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 29°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 12 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Itogawa's 11th-clearest and 10th-windiest month. For the whole year in context, see Itogawa's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
224 mm
14.3 wet days
Daylight
14 h 06 min
5:03 AM – 7:06 PM
Cloud cover
70%
11th clearest
Wind
12 km/h
10th windiest
Solar energy
5.32 kWh/m²
Travel score
5.3
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 29°C by the end.

A typical July day in Itogawa reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 30°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)
12622
22622
32622
42722
52723
62723
72723
82723
92723
102723
112723
122823
132823
142824
152824
162824
172824
182824
192824
202924
212924
222924
232924
242924
252924
262924
272924
282925
292925
302925
312925

How July really feels in Itogawa

Once humidity and wind are folded in, July averages 9 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
9
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.

Itogawa 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 / 8711.22.3101.8
Feb10° / 9410.8210.72.1
Mar13° / 13812.80.311.73.5
Apr17° / 11°13911.3012.85.4
May21° / 16°16011013.76.3
Jun24° / 20°26514.9014.25.7
Jul28° / 24°22414.30145.3
Aug29° / 25°13213013.35.0
Sep27° / 22°19113.3012.25.9
Oct22° / 16°19511.1011.16.6
Nov17° / 11°1108.7010.25.5
Dec12° / 91101.19.83.1

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 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22179
32377
42377
52377
62476
72476
82575
92575
102773
112773
122773
132872
142971
152971
163070
173268
183268
193466
203565
213664
223664
233961
243961
254258
264357
274456
284654
294654
304852
314951

Chance of precipitation in July

Any precipitation

Itogawa gets around 224 mm of rain over 14.3 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 46% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
259
359
458
557
656
755
854
952
1051
1150
1248
1347
1445
1544
1643
1742
1841
1941
2040
2140
2240
2339
2439
2539
2639
2739
2839
2939
3040
3140

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 68% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11935532
20934552
30832573
40731593
50629614
60628624
70527635
80426646
90425656
100324667
110323677
120322687
130320698
140219718
150218719
1602177110
1702167210
1802157211
1902147311
2002137312
2102127313
2201127314
2301117315
2401107316
250197218
260197119
270187120
280177220
290177121
300167122
310167122

Wind in July

Winds average 12 km/h in July.

Across July, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 12 min at the start of July to 13 h 42 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 4:55 AM to 5:13 AM, and sunset from 7:10 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:557:10
214.24:557:10
314.24:567:10
414.24:567:09
514.24:577:09
614.24:577:09
714.24:587:09
814.24:587:09
914.24:597:09
1014.24:597:08
1114.15:007:08
1214.15:007:08
1314.15:017:08
1414.15:027:07
1514.15:027:07
1614.15:037:06
1714.05:037:06
1814.05:047:06
1914.05:057:05
2014.05:057:05
2114.05:067:04
2213.95:077:03
2313.95:077:03
2413.95:087:02
2513.95:097:02
2613.95:097:01
2713.85:107:00
2813.85:117:00
2913.85:116:59
3013.85:126:58
3113.75:136:57

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.32 kWh/m².

For context, solar energy here swings from a low near 2.45 kWh/m² to a high of 5.59 kWh/m² in May across the year — July's 5.32 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in July

Hazard calendar for Itogawa

In seasonPeak

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

Itogawa 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 Itogawa?

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

5.3
Sightseeing
7th-best month of the year
6.0
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Itogawa for sightseeing.

What to pack for Itogawa in July

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

In July, Itogawa sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Itogawa in July

The nearest coast averages about 25°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 16 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from May 31 to Nov 23 — about 5.8 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar15Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec18Cool

UV index in Itogawa 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 Itogawa peaks around June 23 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug7High
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Itogawa 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 Itogawa is worst in April — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1319 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar19Moderate
Apr19Moderate
May17Moderate
Jun14Moderate
Jul10Good
Aug10Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Itogawa?

Itogawa sits at 34.0°N, 135.3°E, 129 m above sea level, in Japan. The nearest listed city is Arida, 14 km away.

Topography around Itogawa

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

Within 3 km, the terrain around Itogawa has significant variations in elevation — a maximum elevation change of 599 m around an average of 261 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 946 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Itogawa is covered by trees (95%) within 3 km, trees (82%) within 16 km, and trees (47%) and water (43%) within 80 km.

3 km
599 m
16 km
946 m
80 km
1,879 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Arida 14 km · Kainan 14 km · Gobō 18 km · Minato 23 km · Wakayama 24 km · Iwade 26 km · Kinokawa 31 km · Hannan 34 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 Itogawa (34.0262°, 135.2528°, elevation 129 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).