Mochibaru weather in August

In August, Mochibaru sees average daytime highs of 30°C and overnight lows near 24°C, with 226 mm of rain across 17.9 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. 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 36 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Mochibaru's 8th-clearest and 4th-windiest month. For the whole year in context, see Mochibaru's year-round climate.

Daytime high
30°
1st warmest
Overnight low
24°
12th coldest
Rainfall
226 mm
17.9 wet days
Daylight
13 h 12 min
5:44 AM – 6:55 PM
Cloud cover
64%
8th clearest
Wind
10 km/h
4th windiest
Solar energy
5.07 kWh/m²
Travel score
4.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Mochibaru reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123025
133025
143025
153025
163025
173025
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
293024
303024
312924

How August really feels in Mochibaru

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.

Mochibaru 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 daysDaylight (hours)Travel score
Jan12° / 817.210.23.4
Feb13° / 978.310.83.8
Mar16° / 15612.411.84.9
Apr20° / 12°17511.912.85.9
May23° / 16°20312.613.66.3
Jun26° / 20°41319.8144.8
Jul30° / 24°25118.213.94.1
Aug30° / 24°22617.913.24.0
Sep28° / 22°27616.912.25.1
Oct24° / 17°16610.811.26.8
Nov19° / 11°1098.410.46.3
Dec14° / 816.4104.6

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 15% of August, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34060
43961
53961
63961
73961
83961
93961
103961
113961
123961
134060
144060
154060
164060
174258
184357
194357
204258
214357
224357
234357
244258
254258
264258
274159
284159
294060
304060
314159

Chance of precipitation in August

Any precipitation

Mochibaru gets around 226 mm of rain over 17.9 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 58% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
156
256
357
457
557
657
757
857
958
1058
1157
1257
1357
1457
1557
1656
1756
1856
1956
2057
2157
2257
2358
2458
2559
2660
2760
2861
2961
3062
3162

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 60% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1026137
2026038
3025939
4025939
5025840
6025840
7025741
8025741
9025741
10025741
11025741
12025840
13025840
14025939
15026038
16036037
17036136
18136135
19146134
20146233
21156232
22166231
23166330
24276229
25286228
26296227
272106226
283116125
293126124
303136123
313146122

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 36 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:34 AM to 5:54 AM, and sunset from 7:09 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:347:09
213.55:357:08
313.55:367:07
413.55:367:06
513.55:377:05
613.45:387:04
713.45:387:04
813.45:397:03
913.45:407:02
1013.35:407:01
1113.35:417:00
1213.35:426:59
1313.35:426:58
1413.25:436:57
1513.25:446:56
1613.25:446:55
1713.15:456:54
1813.15:466:53
1913.15:466:51
2013.15:476:50
2113.05:486:49
2213.05:486:48
2313.05:496:47
2412.95:506:46
2512.95:506:44
2612.95:516:43
2712.85:526:42
2812.85:526:41
2912.85:536:39
3012.75:536:38
3112.75:546:37

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.07 kWh/m².

For context, solar energy here swings from a low near 2.76 kWh/m² to a high of 5.14 kWh/m² in July across the year — August's 5.07 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in August

Hazard calendar for Mochibaru

In seasonPeak

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

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

Mochibaru's rainy season runs May–September, 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 Mochibaru?

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

4.0
Sightseeing
10th-best month of the year
5.5
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Mochibaru for sightseeing.

What to pack for Mochibaru in August

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

In August, Mochibaru sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Mochibaru 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 42 km away) is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 14 to Jan 4 — about 8.7 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar19Cool
Apr20Refreshing
May22Refreshing
Jun24Refreshing
Jul27Warm
Aug28Tropical
Sep27Warm
Oct26Warm
Nov23Refreshing
Dec21Refreshing

UV index in Mochibaru 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 Mochibaru peaks around June 22 at about 11 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Mochibaru 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 Mochibaru is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodModerateApr 1421 µg/m³Sep 1911 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun16Moderate
Jul11Good
Aug12Moderate
Sep11Good
Oct12Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Mochibaru?

Mochibaru sits at 31.8°N, 131.1°E, 151 m above sea level, in Japan. The nearest listed city is Miyakonojō, 6.0 km away.

Topography around Mochibaru

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

Within 3 km, the terrain around Mochibaru has only modest variations in elevation — a maximum elevation change of 188 m around an average of 170 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 987 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,679 m.

The land around Mochibaru is covered by cropland (42%), artificial surfaces (28%) and trees (27%) within 3 km, trees (70%) within 16 km, and trees (57%) and water (34%) within 80 km.

3 km
188 m
16 km
987 m
80 km
1,679 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Miyakonojō 6.0 km · Sueyoshichō-ninokata 16 km · Soo 18 km · Nichinan 28 km · Kobayashi 29 km · Shibushi 31 km · Kushima 32 km · Honjō 32 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 Mochibaru (31.7551°, 131.1298°, elevation 151 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).