Sōja weather in August

In August, Sōja sees average daytime highs of 32°C and overnight lows near 24°C, with 123 mm of rain across 11.1 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 31°C by the end. The sky is clear or mostly clear about 28% 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 Sōja's 8th-clearest and 10th-windiest month. For the whole year in context, see Sōja's year-round climate.

Daytime high
32°
1st warmest
Overnight low
24°
12th coldest
Rainfall
123 mm
11.1 wet days
Daylight
13 h 18 min
5:30 AM – 6:48 PM
Cloud cover
61%
8th clearest
Wind
8 km/h
10th windiest
Solar energy
5.25 kWh/m²
Travel score
3.7
out of 10

Sōja is City in Okayama Prefecture, Japan.

Density
326/km²
people per km²
Founded
2005

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 31°C by the end.

A typical August day in Sōja reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, August runs about 2°C warmer than July and about 4°C warmer than September.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33324
43325
53325
63325
73325
83325
93324
103324
113324
123324
133324
143324
153324
163324
173324
183224
193224
203224
213224
223224
233224
243223
253223
263223
273223
283123
293123
303123
313123

How August really feels in Sōja

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.

Sōja weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 425.60.69.92.0
Feb10° / 506.6110.72.4
Mar14° / 969.90.211.74.0
Apr19° / 11510012.86.1
May24° / 14°13310.4013.86.7
Jun27° / 19°18312.6014.35.7
Jul31° / 23°19914.1014.14.1
Aug32° / 24°12311.1013.33.7
Sep28° / 20°18211.4012.25.6
Oct23° / 13°1158.1011.17.1
Nov17° / 596.5010.25.9
Dec11° / 495.50.29.73.3

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44852
54852
64753
74753
84753
94753
104753
114654
124555
134555
144555
154555
164456
174456
184555
194555
204555
214555
224555
234654
244654
254555
264456
274555
284555
294456
304555
314555

Chance of precipitation in August

Any precipitation

Sōja gets around 123 mm of rain over 11.1 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
535
635
736
836
936
1036
1137
1237
1337
1438
1538
1638
1738
1838
1937
2037
2137
2237
2337
2437
2537
2637
2737
2838
2938
3038
3139

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
100223678
200223669
300223669
400224659
500224659
600225649
700226639
800226639
900227629
1000227629
1100228619
1200229609
1301329589
1401329589
1501330579
1611430568
1711431558
1811531548
1912531547
2012631537
2112731536
2212831526
2313931515
24131030515
25141130504
26141230504
27041329494
28051429483
29051529473
30061629462
31061729452

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:18 AM to 5:41 AM, and sunset from 7:04 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:187:04
213.75:197:03
313.75:207:02
413.75:217:01
513.65:217:00
613.65:226:59
713.65:236:58
813.65:246:57
913.55:246:56
1013.55:256:55
1113.55:266:54
1213.45:276:53
1313.45:276:52
1413.45:286:51
1513.35:296:50
1613.35:306:48
1713.35:316:47
1813.25:316:46
1913.25:326:45
2013.25:336:44
2113.15:346:42
2213.15:346:41
2313.15:356:40
2413.05:366:38
2513.05:376:37
2613.05:376:36
2712.95:386:34
2812.95:396:33
2912.95:406:32
3012.85:406:30
3112.85:416:29

Solar energy in August

Daily solar energy (kWh/m²)

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

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.62 kWh/m² in May across the year — August's 5.25 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
125.3Bright
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 Sōja

In seasonPeak

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

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

Sōja's rainy season runs March–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 Sōja?

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

3.7
Sightseeing
9th-best month of the year
6.1
Beach & pool
2nd-best month of the year

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

What to pack for Sōja in August

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

In August, Sōja sees daytime highs around 32°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Sōja 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 35 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
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Sōja 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 Sōja peaks around July 15 at about 10 (extreme) — 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 highExtremeVery highModerateJul 15UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sōja 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 Sōja is worst in April — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1324 µg/m³Dec 1414 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May22Moderate
Jun20Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Sōja?

Sōja sits at 34.7°N, 133.8°E, 19 m above sea level, in Japan. The nearest listed city is Kurashiki, 10 km away.

Topography around Sōja

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

Within 3 km, the terrain around Sōja has significant variations in elevation — a maximum elevation change of 292 m around an average of 27 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 588 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,692 m.

The land around Sōja is covered by artificial surfaces (40%), trees (25%) and cropland (24%) within 3 km, trees (59%) and artificial surfaces (23%) within 16 km, and trees (65%) and water (23%) within 80 km.

3 km
292 m
16 km
588 m
80 km
1,692 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Kurashiki 10 km · Okayama 17 km · Takahashi 17 km · Asakuchi 21 km · Kamogatachō-kamogata 21 km · Tamano 25 km · Ibara 27 km · Akaiwa 29 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 Sōja (34.6753°, 133.7509°, elevation 19 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).