Tsukawaki weather in August

In August, Tsukawaki sees average daytime highs of 30°C and overnight lows near 22°C, with 167 mm of rain across 16 wet days and about 13.2 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 29°C by the end. The sky is clear or mostly clear about 22% 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 Tsukawaki's 9th-clearest and 9th-windiest month. For the whole year in context, see Tsukawaki's year-round climate.

Daytime high
30°
1st warmest
Overnight low
22°
12th coldest
Rainfall
167 mm
16 wet days
Daylight
13 h 12 min
5:42 AM – 6:57 PM
Cloud cover
66%
9th clearest
Wind
7 km/h
9th windiest
Solar energy
4.89 kWh/m²
Travel score
4.3
out of 10

Tsukawaki is settlement in Japan.

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 30°C in the first days to 29°C by the end.

A typical August day in Tsukawaki reaches about 30°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 33°C. Set against its neighbours, August runs on par with 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
133023
143022
153022
163022
173022
183022
193022
203022
213022
222922
232922
242922
252922
262922
272921
282921
292921
302921
312921

How August really feels in Tsukawaki

Once humidity and wind are folded in, August averages 21 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
21
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.

Tsukawaki 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 / -0°688.53101.2
Feb / 809.42.410.81.8
Mar13° / 12312.71.211.73.5
Apr18° / 13411.70.112.85.6
May23° / 13°15112.1013.76.3
Jun25° / 18°31717.4014.25.3
Jul29° / 22°23117.60144.4
Aug30° / 22°16716013.24.3
Sep26° / 19°19714.6012.25.8
Oct21° / 12°1259011.26.7
Nov16° / 818.40.110.35.0
Dec10° / 668.31.39.82.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34456
44357
54357
64357
74258
84258
94258
104258
114258
124060
134060
144060
154060
164060
174060
184060
194159
204159
214159
224159
234159
244159
254060
264060
273961
283961
293961
303961
313961

Chance of precipitation in August

Any precipitation

Tsukawaki gets around 167 mm of rain over 16 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 52% and peaks near 56% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
252
351
451
550
650
750
849
949
1049
1149
1249
1349
1449
1549
1650
1750
1850
1951
2051
2152
2252
2353
2454
2554
2655
2755
2856
2956
3056
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 60% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10131662
20131662
30131671
40131671
50131671
60131671
70131671
80131671
90131671
100131671
110231661
120231661
130231661
140231661
151231651
161331641
171332631
181432621
191432621
201532611
211633591
222734561
232834551
242935540
2521036520
2621037510
2721238480
2821339460
2921440440
3031540420
3131641400

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
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
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 5:32 AM to 5:53 AM, and sunset from 7:11 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:327:11
213.65:327:11
313.65:337:10
413.65:347:09
513.65:347:08
613.55:357:07
713.55:367:06
813.55:367:05
913.45:377:04
1013.45:387:03
1113.45:397:02
1213.45:397:01
1313.35:407:00
1413.35:416:59
1513.35:416:58
1613.25:426:57
1713.25:436:56
1813.25:446:54
1913.15:446:53
2013.15:456:52
2113.15:466:51
2213.15:466:50
2313.05:476:48
2413.05:486:47
2513.05:496:46
2612.95:496:45
2712.95:506:43
2812.95:516:42
2912.85:516:41
3012.85:526:39
3112.85:536:38

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.89 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.3 kWh/m² in May across the year — August's 4.89 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.5Bright
284.5Bright
294.5Bright
304.4Bright
314.4Bright
Planning a trip in August

Hazard calendar for Tsukawaki

In seasonPeak

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

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

Tsukawaki'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 Tsukawaki?

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

4.3
Sightseeing
8th-best month of the year
5.9
Beach & pool
1st-best month of the year

August is a reasonable time to visit Tsukawaki for sightseeing.

What to pack for Tsukawaki in August

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

In August, Tsukawaki sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Tsukawaki 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 39 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 6 to Nov 9 — about 5.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec16Cool

UV index in Tsukawaki 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 Tsukawaki peaks around June 21 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 21UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tsukawaki 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 Tsukawaki 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 Tsukawaki?

Tsukawaki sits at 33.3°N, 131.2°E, 336 m above sea level, in Japan. The nearest listed city is Hita, 21 km away.

Topography around Tsukawaki

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

Within 3 km, the terrain around Tsukawaki has significant variations in elevation — a maximum elevation change of 495 m around an average of 408 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,384 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,799 m.

The land around Tsukawaki is covered by trees (54%) and cropland (24%) within 3 km, trees (86%) within 16 km, and trees (58%) and water (23%) within 80 km.

3 km
495 m
16 km
1,384 m
80 km
1,799 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Hita 21 km · Yufu 23 km · Beppu 32 km · Yokkaichi 33 km · Nakatsu 36 km · Hiji 36 km · Buzen 37 km · Aso 38 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 Tsukawaki (33.2767°, 131.1563°, elevation 336 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).