Ikoma weather in August

In August, Ikoma sees average daytime highs of 33°C and overnight lows near 25°C, with 89 mm of rain across 9.1 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 30% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Ikoma's 5th-clearest and 11th-windiest month. For the whole year in context, see Ikoma's year-round climate.

Daytime high
33°
1st warmest
Overnight low
25°
12th coldest
Rainfall
89 mm
9.1 wet days
Daylight
13 h 18 min
5:22 AM – 6:41 PM
Cloud cover
59%
5th clearest
Wind
7 km/h
11th windiest
Solar energy
5.3 kWh/m²
Travel score
3.5
out of 10

Ikoma is city in Nara Prefecture, Japan.

Density
2,272/km²
people per km²
Founded
1971

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical August day in Ikoma reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°C. Set against its neighbours, August runs about 2°C warmer than July and about 4°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13325
23325
33325
43325
53325
63325
73325
83425
93425
103425
113425
123325
133325
143325
153325
163325
173325
183325
193325
203325
213325
223325
233325
243324
253324
263324
273224
283224
293224
303224
313224

How August really feels in Ikoma

Once humidity and wind are folded in, August averages 31 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
31
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.

Ikoma weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 576.40.49.92.0
Feb10° / 627.60.710.72.4
Mar14° / 10710.90.111.73.9
Apr19° / 11210.4012.86.0
May24° / 15°12910.1013.86.7
Jun27° / 20°18012.3014.35.6
Jul31° / 24°16113.6014.14.0
Aug33° / 25°899.1013.33.5
Sep29° / 21°14010.7012.25.3
Oct23° / 15°1439.5011.16.9
Nov17° / 757.1010.25.8
Dec12° / 576.70.19.73.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34951
44951
55050
65050
75050
85050
95050
105050
115050
124951
134951
144852
154852
164852
174852
184951
194951
204951
214951
224852
234852
244852
254852
264753
274753
284753
294555
304654
314654

Chance of precipitation in August

Any precipitation

Ikoma gets around 89 mm of rain over 9.1 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 30% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
131
231
331
430
530
629
729
829
929
1029
1129
1229
1329
1428
1528
1628
1729
1829
1929
2029
2129
2230
2330
2431
2531
2632
2733
2833
2934
3035
3135

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 61% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10216739
202167210
302167210
403167110
503167110
603167110
703177010
803177010
904186810
1004196710
1114196610
1214206510
1315206410
1415216310
1515216310
161522639
172622619
182623609
192724598
202725588
212826577
222827576
232928556
242929555
2531030534
2631031524
2731132513
2831133503
2931234492
3031235472
3131335462

Wind in August

Winds average 7 km/h in August.

Across August, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 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 60 minutes over August. Sunrise moves from 5:11 AM to 5:33 AM, and sunset from 6:56 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:116:56
213.75:116:55
313.75:126:54
413.75:136:53
513.65:146:52
613.65:146:51
713.65:156:50
813.65:166:49
913.55:176:48
1013.55:176:47
1113.55:186:46
1213.45:196:45
1313.45:206:44
1413.45:206:43
1513.35:216:42
1613.35:226:41
1713.35:236:39
1813.25:236:38
1913.25:246:37
2013.25:256:36
2113.15:266:35
2213.15:276:33
2313.15:276:32
2413.05:286:31
2513.05:296:29
2613.05:306:28
2712.95:306:27
2812.95:316:25
2912.95:326:24
3012.85:336:23
3112.85:336:21

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.3 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 5.47 kWh/m² in May across the year — August's 5.3 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
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in August

Hazard calendar for Ikoma

In seasonPeak

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

Ikoma 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 August a good time to visit Ikoma?

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

3.5
Sightseeing
9th-best month of the year
6.3
Beach & pool
2nd-best month of the year

August is a weaker month for outdoor sightseeing in Ikoma. The water and warmth also suit a beach or pool day.

What to pack for Ikoma in August

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

In August, Ikoma sees daytime highs around 33°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 9 days see rain.

light clothesrain gearsun protection

Sea temperature near Ikoma in August

The nearest coast averages about 27°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 30 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 6 to Nov 11 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Ikoma in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ikoma peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateJul 10UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ikoma 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 Ikoma is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ikoma?

Ikoma sits at 34.7°N, 135.7°E, 146 m above sea level, in Japan. The nearest listed city is Shijōnawate, 6.0 km away.

Topography around Ikoma

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

Within 3 km, the terrain around Ikoma has significant variations in elevation — a maximum elevation change of 539 m around an average of 243 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 641 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,882 m.

The land around Ikoma is covered by trees (58%) and artificial surfaces (38%) within 3 km, artificial surfaces (55%) and trees (31%) within 16 km, and trees (67%) within 80 km.

3 km
539 m
16 km
641 m
80 km
1,882 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Shijōnawate 6.0 km · Fuki 6.0 km · Daitō 8.0 km · Hōryūji 9.0 km · Oji 9.0 km · Nara 10 km · Tatsuno-kita 10 km · Yamatokōriyama 11 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 Ikoma (34.6833°, 135.7°, elevation 146 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).