Maniwa weather in August

In August, Maniwa sees average daytime highs of 31°C and overnight lows near 22°C, with 144 mm of rain across 13.5 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 31°C in the first days to 30°C by the end. The sky is clear or mostly clear about 26% 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 Maniwa's 5th-clearest and 9th-windiest month. For the whole year in context, see Maniwa's year-round climate.

Daytime high
31°
1st warmest
Overnight low
22°
12th coldest
Rainfall
144 mm
13.5 wet days
Daylight
13 h 18 min
5:29 AM – 6:49 PM
Cloud cover
63%
5th clearest
Wind
7 km/h
9th windiest
Solar energy
5.2 kWh/m²
Travel score
4.2
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 30°C by the end.

A typical August day in Maniwa reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 34°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)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183122
193122
203122
213122
223022
233022
243022
253022
263022
273022
283021
293021
302921
312921

How August really feels in Maniwa

Once humidity and wind are folded in, August averages 26 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
26
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.

Maniwa 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 / -1°4673.19.91.0
Feb / -0°558.23.610.71.4
Mar12° / 10511.41.211.73.2
Apr18° / 11610.40.112.95.6
May23° / 12°14110.9013.86.6
Jun26° / 17°18813.4014.35.8
Jul30° / 22°23016.5014.14.3
Aug31° / 22°14413.5013.34.2
Sep27° / 18°19312.4012.26.0
Oct21° / 12°1107.8011.16.9
Nov15° / 627.1010.25.0
Dec10° / 537.11.39.72.2

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% 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 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24456
34555
44555
54555
64555
74456
84456
94456
104357
114357
124357
134357
144357
154357
164258
174159
184258
194258
204258
214258
224357
234258
244258
254159
264258
274258
284258
294258
304258
314258

Chance of precipitation in August

Any precipitation

Maniwa gets around 144 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
445
545
645
745
845
945
1045
1145
1245
1345
1445
1545
1645
1744
1844
1944
2043
2143
2243
2343
2443
2543
2643
2743
2843
2944
3044
3144

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 57% 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 (%)
10326692
20326692
30326692
40326692
50326692
60326692
70326683
80327673
90427663
100427663
110428653
121428643
131428643
141529623
151529623
161630603
171631593
181731592
191832572
202933542
2121034531
2221135511
2321235501
2421336481
2531437461
2631537440
2731638430
2841738410
2941838390
3051938380
3152038360

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
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 7:05 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:187:05
213.85:187:04
313.75:197:03
413.75:207:02
513.75:217:01
613.65:217:00
713.65:226:59
813.65:236:58
913.65:246:57
1013.55:256:56
1113.55:256:55
1213.55:266:54
1313.45:276:53
1413.45:286:52
1513.45:286:50
1613.35:296:49
1713.35:306:48
1813.35:316:47
1913.25:326:46
2013.25:326:44
2113.25:336:43
2213.15:346:42
2313.15:356:40
2413.15:356:39
2513.05:366:38
2613.05:376:36
2713.05:386:35
2812.95:396:34
2912.95:396:32
3012.85:406:31
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 5.2 kWh/m².

For context, solar energy here swings from a low near 2.23 kWh/m² to a high of 5.61 kWh/m² in May across the year — August's 5.2 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
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
244.9Bright
254.9Bright
264.9Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Maniwa

In seasonPeak

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

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

Maniwa'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 Maniwa?

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

4.2
Sightseeing
8th-best month of the year
6.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit Maniwa for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Maniwa in August

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

In August, Maniwa sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Maniwa 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 58 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 13 to Nov 9 — 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
Dec17Cool

UV index in Maniwa 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 Maniwa peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 17UV 11Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Maniwa 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 Maniwa is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1322 µg/m³Oct 1511 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug13Moderate
Sep12Moderate
Oct11Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Maniwa?

Maniwa sits at 35.1°N, 133.7°E, 222 m above sea level, in Japan. The nearest listed city is Tsuyama, 26 km away.

Topography around Maniwa

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

Within 3 km, the terrain around Maniwa has significant variations in elevation — a maximum elevation change of 564 m around an average of 373 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,088 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,692 m.

The land around Maniwa is covered by trees (90%) within 3 km, trees (92%) within 16 km, and trees (69%) and water (22%) within 80 km.

3 km
564 m
16 km
1,088 m
80 km
1,692 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Tsuyama 26 km · Niimi 27 km · Takahashi 37 km · Kurayoshi 37 km · Hayashino 41 km · Akaiwa 43 km · Matsuzaki 43 km · Yabase 44 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 Maniwa (35.1064°, 133.7201°, elevation 222 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).