Tsuyama weather in August

In August, Tsuyama sees average daytime highs of 31°C and overnight lows near 23°C, with 140 mm of rain across 13.5 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 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 27% 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 Tsuyama's 6th-clearest and 9th-windiest month. For the whole year in context, see Tsuyama's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
12th coldest
Rainfall
140 mm
13.5 wet days
Daylight
13 h 18 min
5:28 AM – 6:48 PM
Cloud cover
62%
6th clearest
Wind
7 km/h
9th windiest
Solar energy
5.33 kWh/m²
Travel score
3.9
out of 10

Tsuyama is city in Okayama Prefecture, Japan.

Density
202/km²
people per km²
Founded
1929

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 32°C in the first days to 30°C by the end.

A typical August day in Tsuyama reaches about 31°C in the afternoon and slips back to 23°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 35°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°40°151015202531
Avg high (°C)Avg low (°C)
13223
23223
33223
43223
53223
63223
73223
83223
93223
103223
113223
123223
133223
143223
153223
163223
173223
183223
193123
203123
213123
223123
233122
243122
253122
263122
273122
283022
293022
303022
313021

How August really feels in Tsuyama

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.

Tsuyama 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 / -1°466.11.99.91.4
Feb / -1°567.52.310.71.9
Mar13° / 11010.90.711.73.5
Apr19° / 12010.5012.95.9
May23° / 13°14410.9013.86.6
Jun26° / 18°18813.2014.35.7
Jul30° / 22°22916.1014.14.1
Aug31° / 23°14013.5013.33.9
Sep27° / 19°18111.6012.25.8
Oct22° / 12°1137.7011.17.0
Nov16° / 616.1010.25.5
Dec10° / 526.30.89.72.7

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44654
54654
64654
74654
84555
94555
104555
114555
124555
134456
144357
154357
164357
174456
184456
194456
204456
214555
224456
234456
244456
254357
264456
274456
284456
294456
304456
314456

Chance of precipitation in August

Any precipitation

Tsuyama gets around 140 mm of rain over 13.5 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
146
246
346
446
545
645
745
845
945
1045
1145
1245
1345
1445
1545
1644
1744
1843
1943
2043
2142
2242
2342
2442
2542
2643
2743
2843
2943
3043
3143

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 (%)
10219736
20219736
30220726
40220726
50221716
60221707
70222697
80223687
90223687
100224677
110324667
120324667
131325647
141325647
151325656
161426636
171426636
181526635
191627615
202627614
212728594
222828584
232929573
2431029553
2531130533
2631230532
2741331502
2841431482
2951532472
3051632452
3151732432

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 8 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
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 5:17 AM to 5:40 AM, and sunset from 7:03 PM to 6:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:177:03
213.85:177:03
313.75:187:02
413.75:197:01
513.75:207:00
613.65:206:59
713.65:216:58
813.65:226:57
913.65:236:56
1013.55:246:55
1113.55:246:54
1213.55:256:53
1313.45:266:51
1413.45:276:50
1513.45:276:49
1613.35:286:48
1713.35:296:47
1813.35:306:46
1913.25:316:44
2013.25:316:43
2113.25:326:42
2213.15:336:41
2313.15:346:39
2413.15:346:38
2513.05:356:37
2613.05:366:35
2713.05:376:34
2812.95:376:33
2912.95:386:31
3012.85:396:30
3112.85:406:28

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.33 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.68 kWh/m² in May across the year — August's 5.33 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
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 Tsuyama

In seasonPeak

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

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

Tsuyama'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 Tsuyama?

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

3.9
Sightseeing
8th-best month of the year
6.0
Beach & pool
2nd-best month of the year

August is a weaker month for outdoor sightseeing in Tsuyama.

What to pack for Tsuyama in August

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

In August, Tsuyama sees daytime highs around 31°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Tsuyama 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 59 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 7 to Nov 12 — 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
Apr15Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Tsuyama in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Tsuyama peaks around July 16 at about 11 (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 16UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Tsuyama 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 Tsuyama is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1421 µg/m³Oct 1711 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun17Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct10Good
Nov12Good
Dec11Good
Location & terrain

Where is Tsuyama?

Tsuyama sits at 35.1°N, 134.0°E, 97 m above sea level, in Japan. The nearest listed city is Hayashino, 15 km away.

Topography around Tsuyama

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

Within 3 km, the terrain around Tsuyama has significant variations in elevation — a maximum elevation change of 408 m around an average of 164 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,076 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,626 m.

The land around Tsuyama is covered by trees (56%) and artificial surfaces (33%) within 3 km, trees (79%) within 16 km, and trees (66%) and water (23%) within 80 km.

3 km
408 m
16 km
1,076 m
80 km
1,626 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Hayashino 15 km · Maniwa 26 km · Akaiwa 27 km · Sayō 33 km · Bizen 37 km · Kamigōri 39 km · Okayama 45 km · Kurayoshi 46 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 Tsuyama (35.0521°, 133.9989°, elevation 97 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).