Wadayama weather in August

In August, Wadayama sees average daytime highs of 29°C and overnight lows near 22°C, with 193 mm of rain across 17.3 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 20% 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 Wadayama's 6th-clearest and 11th-windiest month. For the whole year in context, see Wadayama's year-round climate.

Daytime high
29°
1st warmest
Overnight low
22°
12th coldest
Rainfall
193 mm
17.3 wet days
Daylight
13 h 18 min
5:24 AM – 6:45 PM
Cloud cover
67%
6th clearest
Wind
8 km/h
11th windiest
Solar energy
5.12 kWh/m²
Travel score
4.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical August day in Wadayama reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°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)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133022
143022
153022
163022
172922
182922
192922
202922
212922
222922
232922
242922
252922
262921
272821
282821
292821
302821
312821

How August really feels in Wadayama

Once humidity and wind are folded in, August averages 18 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
18
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.

Wadayama 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 / -2°7514.110.19.90.2
Feb / -2°8113.17.910.70.6
Mar11° / 13214.43.911.72.3
Apr17° / 13911.90.412.94.9
May21° / 12°16812.4013.86.1
Jun24° / 17°22215.9014.35.5
Jul28° / 21°27218.9014.14.5
Aug29° / 22°19317.3013.34.4
Sep25° / 18°25515.3012.25.7
Oct20° / 12°15710.9011.16.0
Nov14° / 8910.20.210.14.1
Dec / 8112.24.89.71.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23763
33763
43862
53862
63862
73763
83763
93763
103763
113763
123565
133565
143565
153565
163565
173664
183664
193664
203763
213763
223664
233664
243664
253565
263565
273565
283466
293466
303466
313466

Chance of precipitation in August

Any precipitation

Wadayama gets around 193 mm of rain over 17.3 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 56% and peaks near 57% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
157
257
357
457
557
657
757
857
957
1057
1157
1257
1357
1457
1557
1657
1756
1856
1956
2055
2155
2255
2355
2455
2555
2655
2755
2855
2955
3055
3156

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 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10422731
20422731
30422722
40422722
50422722
60423712
70423712
80423712
90424702
100524692
110524692
121524682
131524682
141525672
151525672
161626652
171626652
182727622
192728621
202829601
212930581
2221031561
2321132541
2431133521
2531234501
2631435481
2731535460
2831636440
2931836420
3041937400
3142037390

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
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
309calm
319calm

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 5:13 AM to 5:36 AM, and sunset from 7:01 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:137:01
213.85:137:00
313.75:146:59
413.75:156:58
513.75:166:57
613.75:166:56
713.65:176:55
813.65:186:54
913.65:196:53
1013.55:206:52
1113.55:206:51
1213.55:216:50
1313.45:226:48
1413.45:236:47
1513.45:246:46
1613.35:246:45
1713.35:256:44
1813.35:266:42
1913.25:276:41
2013.25:286:40
2113.25:286:39
2213.15:296:37
2313.15:306:36
2413.15:316:35
2513.05:316:33
2613.05:326:32
2713.05:336:31
2812.95:346:29
2912.95:356:28
3012.95:356:27
3112.85:366:25

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.12 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 5.49 kWh/m² in May across the year — August's 5.12 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.0Bright
195.0Bright
205.0Bright
214.9Bright
224.9Bright
234.9Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Wadayama

In seasonPeak

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

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

Wadayama'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 Wadayama?

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

4.4
Sightseeing
7th-best month of the year
5.6
Beach & pool
1st-best month of the year

August is a reasonable time to visit Wadayama for sightseeing.

What to pack for Wadayama in August

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

In August, Wadayama sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Wadayama 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 34 km away) is warmest in August at about 27°C and coldest in March near 12°C.

It's comfortable for a long swim from Jun 13 to Nov 7 — about 4.9 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun20Refreshing
Jul24Warm
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Wadayama 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 Wadayama peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 highVery highModerateJul 15UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Wadayama 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 Wadayama is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Wadayama?

Wadayama sits at 35.3°N, 134.9°E, 180 m above sea level, in Japan. The nearest listed city is Yabu, 13 km away.

Topography around Wadayama

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

Within 3 km, the terrain around Wadayama has significant variations in elevation — a maximum elevation change of 435 m around an average of 174 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,039 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,487 m.

The land around Wadayama is covered by trees (69%) within 3 km, trees (92%) within 16 km, and trees (61%) and water (29%) within 80 km.

3 km
435 m
16 km
1,039 m
80 km
1,487 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Yabu 13 km · Tamba 22 km · Fukuchiyama 23 km · Tanba 23 km · Toyooka 25 km · Kajiya 28 km · Yotsutsuji 32 km · Ayabe 35 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 Wadayama (35.3167°, 134.8667°, elevation 180 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).