Ikedachō weather in August

In August, Ikedachō sees average daytime highs of 30°C and overnight lows near 23°C, with 181 mm of rain across 16.4 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 24% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Ikedachō's 8th-clearest and 11th-windiest month. For the whole year in context, see Ikedachō's year-round climate.

Daytime high
30°
1st warmest
Overnight low
23°
12th coldest
Rainfall
181 mm
16.4 wet days
Daylight
13 h 18 min
5:31 AM – 6:47 PM
Cloud cover
63%
8th clearest
Wind
6 km/h
11th windiest
Solar energy
5.23 kWh/m²
Travel score
4.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Ikedachō reaches about 30°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 27°C and 32°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
222923
232923
242923
252923
262922
272922
282922
292922
302922
312922

How August really feels in Ikedachō

Once humidity and wind are folded in, August averages 21 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
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Ikedachō weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6510.34.2101.0
Feb / 7510.43.710.71.4
Mar12° / 11512.9211.73.0
Apr17° / 13011.30.212.85.3
May22° / 14°15812.1013.76.3
Jun25° / 18°26016014.25.5
Jul29° / 22°25417.70144.6
Aug30° / 23°18116.4013.34.4
Sep26° / 19°22915.2012.25.7
Oct21° / 13°17310.9011.16.4
Nov15° / 8790.110.24.8
Dec10° / 7710.529.82.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24555
34555
44555
54555
64654
74654
84555
94555
104555
114456
124456
134456
144456
154456
164555
174555
184555
194555
204654
214654
224654
234654
244654
254654
264555
274456
284456
294456
304357
314456

Chance of precipitation in August

Any precipitation

Ikedachō gets around 181 mm of rain over 16.4 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 53% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
453
553
653
753
853
953
1053
1153
1254
1354
1454
1554
1654
1753
1853
1953
2053
2153
2253
2353
2453
2553
2653
2753
2853
2954
3054
3154

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10223741
20123751
30123751
40122761
50123751
60123751
70123751
80123751
90124741
100224731
110225721
120225721
130226711
140326701
151327681
161328671
171428661
181429651
191529641
201630621
211630621
221731601
232831581
242931580
252932570
2621032560
2721133540
2821234520
2931334500
3031435480
3131535470

Wind in August

Winds average 6 km/h in August.

Across August, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:19 AM to 5:41 AM, and sunset from 7:02 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:197:02
213.75:207:01
313.75:217:01
413.65:227:00
513.65:226:59
613.65:236:58
713.55:246:57
813.55:256:56
913.55:256:55
1013.55:266:54
1113.45:276:53
1213.45:286:52
1313.45:286:51
1413.35:296:49
1513.35:306:48
1613.35:316:47
1713.25:316:46
1813.25:326:45
1913.25:336:44
2013.25:336:42
2113.15:346:41
2213.15:356:40
2313.15:366:39
2413.05:366:37
2513.05:376:36
2613.05:386:35
2712.95:396:34
2812.95:396:32
2912.85:406:31
3012.85:416:30
3112.85:416:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.23 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.57 kWh/m² in May across the year — August's 5.23 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.8Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in August

Hazard calendar for Ikedachō

In seasonPeak

In August, Ikedachō sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Ikedachō sits in the Pacific typhoon belt; the season peaks July–October.

Ikedachō's rainy season runs April–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Ikedachō?

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

4.4
Sightseeing
8th-best month of the year
5.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Ikedachō for sightseeing.

What to pack for Ikedachō in August

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

In August, Ikedachō sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Ikedachō in August

The nearest coast averages about 28°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in August at about 28°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Nov 12 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug28Warm
Sep27Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Ikedachō in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Ikedachō 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May9Very high
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Ikedachō in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Ikedachō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1321 µg/m³Oct 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Ikedachō?

Ikedachō sits at 34.0°N, 133.8°E, 120 m above sea level, in Japan. The nearest listed city is Shioiri, 15 km away.

Topography around Ikedachō

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

Within 3 km, the terrain around Ikedachō has large variations in elevation — a maximum elevation change of 787 m around an average of 370 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,651 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,914 m.

The land around Ikedachō is covered by trees (84%) within 3 km, trees (88%) within 16 km, and trees (56%) and water (32%) within 80 km.

3 km
787 m
16 km
1,651 m
80 km
1,914 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Shioiri 15 km · Kan’onjichō 18 km · Kawanoechō 21 km · Zentsujichó 22 km · Mitoyo 24 km · Shikokuchūō 24 km · Takinomiya 27 km · Tadotsu 28 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 Ikedachō (34.0285°, 133.8062°, elevation 120 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).