Beppu weather in August

In August, Beppu sees average daytime highs of 30°C and overnight lows near 24°C, with 184 mm of rain across 15.7 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 42 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Beppu's 9th-clearest and 10th-windiest month. For the whole year in context, see Beppu's year-round climate.

Daytime high
30°
1st warmest
Overnight low
24°
12th coldest
Rainfall
184 mm
15.7 wet days
Daylight
13 h 12 min
5:41 AM – 6:55 PM
Cloud cover
64%
9th clearest
Wind
7 km/h
10th windiest
Solar energy
5.12 kWh/m²
Travel score
4.2
out of 10

Beppu is city in Ōita Prefecture, Japan.

Density
980/km²
people per km²
Founded
1924

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

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 Beppu 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 27°C and 33°C. Set against its neighbours, August runs on par with July and about 4°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
123125
133125
143125
153125
163125
173124
183024
193024
203024
213024
223024
233024
243024
253024
263024
273024
283024
292923
302923
312923

How August really feels in Beppu

Once humidity and wind are folded in, August averages 30 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
30
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.

Beppu 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 / 566.50.7102.0
Feb10° / 667.70.810.82.4
Mar13° / 10010.90.111.73.7
Apr18° / 10°11510.5012.85.7
May23° / 15°13010.7013.76.5
Jun26° / 20°27716.2014.25.4
Jul30° / 24°22016.80144.2
Aug30° / 24°18415.7013.24.2
Sep27° / 21°20114.2012.25.7
Oct22° / 16°1348.4011.27.0
Nov17° / 10°717.4010.35.7
Dec12° / 5560.19.83.3

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 18% of August, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24852
34753
44654
54654
64654
74654
84654
94555
104456
114456
124456
134357
144357
154357
164357
174456
184456
194456
204456
214456
224456
234357
244357
254357
264258
274258
284357
294357
304357
314357

Chance of precipitation in August

Any precipitation

Beppu gets around 184 mm of rain over 15.7 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 51% and peaks near 54% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
448
548
648
748
848
948
1048
1149
1249
1349
1450
1550
1650
1751
1851
1951
2052
2152
2252
2353
2453
2553
2654
2754
2854
2954
3054
3154

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10047422
20047422
30037522
40037522
50037522
60037522
70037522
80037522
90037522
100047422
110047422
120057322
130057322
140167122
150177121
160187021
170196921
1801106920
1901116820
2002126719
2102126818
2202136817
2302146716
2403156715
2503166714
2603176713
2704186612
2804196611
2904216510
301522639
311523638

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 7 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
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 42 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 54 minutes over August. Sunrise moves from 5:30 AM to 5:51 AM, and sunset from 7:10 PM to 6:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:307:10
213.65:317:09
313.65:327:08
413.65:327:07
513.65:337:07
613.55:347:06
713.55:347:05
813.55:357:04
913.45:367:03
1013.45:377:02
1113.45:377:01
1213.45:387:00
1313.35:396:59
1413.35:396:58
1513.35:406:56
1613.25:416:55
1713.25:426:54
1813.25:426:53
1913.15:436:52
2013.15:446:51
2113.15:446:50
2213.15:456:48
2313.05:466:47
2413.05:466:46
2513.05:476:45
2612.95:486:43
2712.95:496:42
2812.95:496:41
2912.85:506:39
3012.85:516:38
3112.85:516:37

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 2.35 kWh/m² to a high of 5.44 kWh/m² in May across the year — August's 5.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
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 Beppu

In seasonPeak

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

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

Beppu's rainy season runs May–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 Beppu?

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

4.2
Sightseeing
7th-best month of the year
5.8
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Beppu for sightseeing.

What to pack for Beppu in August

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

In August, Beppu sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Beppu in August

The nearest coast averages about 26°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 37 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 20 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Beppu 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 Beppu peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 20UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Beppu 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 Beppu is worst in March — around 30 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (September, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1829 µg/m³Sep 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar30Moderate
Apr24Moderate
May22Moderate
Jun19Moderate
Jul14Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Beppu?

Beppu sits at 33.3°N, 131.5°E, 22 m above sea level, in Japan. The nearest listed city is Hiji, 11 km away.

Topography around Beppu

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

Within 3 km, the terrain around Beppu has large variations in elevation — a maximum elevation change of 667 m around an average of 128 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,561 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,766 m.

The land around Beppu is covered by trees (38%), artificial surfaces (33%) and water (27%) within 3 km, trees (57%) and water (21%) within 16 km, and trees (50%) and water (41%) within 80 km.

3 km
667 m
16 km
1,561 m
80 km
1,766 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Hiji 11 km · Ōita 11 km · Yufu 14 km · Tsurusaki 18 km · Kitsuki 19 km · Bungo-Takada-shi 31 km · Tsukawaki 32 km · Yokkaichi 33 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 Beppu (33.2794°, 131.4975°, elevation 22 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).