Yoshioka weather in August

In August, Yoshioka sees average daytime highs of 27°C and overnight lows near 22°C, with 165 mm of rain across 15.5 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Yoshioka's 10th-clearest and 11th-windiest month. For the whole year in context, see Yoshioka's year-round climate.

Daytime high
27°
1st warmest
Overnight low
22°
12th coldest
Rainfall
165 mm
15.5 wet days
Daylight
13 h 30 min
4:55 AM – 6:26 PM
Cloud cover
73%
10th clearest
Wind
8 km/h
11th windiest
Solar energy
4.3 kWh/m²
Travel score
5.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical August day in Yoshioka reaches about 27°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 31°C. Set against its neighbours, August runs about 2°C warmer than July and about 3°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12822
22822
32822
42822
52822
62822
72822
82822
92822
102822
112822
122822
132822
142822
152722
162722
172722
182722
192722
202722
212722
222722
232721
242721
252721
262721
272721
282721
292721
302621
312621

How August really feels in Yoshioka

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yoshioka weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°569.26.19.60.0
Feb / -2°488.14.910.50.3
Mar / 89113.311.71.8
Apr14° / 9711.40.6134.2
May19° / 12°10911.4014.15.8
Jun22° / 16°13212.8014.65.9
Jul26° / 20°18916.7014.45.4
Aug27° / 22°16515.5013.55.5
Sep24° / 18°16814012.35.9
Oct19° / 11°14110.70115.9
Nov13° / 658.50.29.93.8
Dec / 589.63.89.41.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
23070
33169
43169
53070
62971
72971
82971
92872
102872
112872
122872
132773
142773
152773
162674
172773
182872
192872
202872
212872
222872
232971
242971
252971
262971
272971
282971
293070
303169
313169

Chance of precipitation in August

Any precipitation

Yoshioka gets around 165 mm of rain over 15.5 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 50% and peaks near 51% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
149
249
349
448
548
648
748
848
949
1049
1149
1249
1350
1450
1550
1650
1750
1850
1951
2051
2151
2251
2351
2451
2551
2651
2751
2851
2951
3051
3151

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 46% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1310225213
239225313
339215413
439215314
539215314
639215314
739225214
839225214
939235213
1039235213
1139245113
1239255112
1339265012
14310274912
15310284811
16310294711
17310304711
18310314510
19310324510
20411324310
2141133429
2241234419
2341234409
2451335408
2551335398
2651436387
2751536377
2851636366
2961737356
3061837345
3161937335

Wind in August

Winds average 8 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.

051015151015202531
Wind speed (km/h)Feels
17calm
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
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 66 minutes over August. Sunrise moves from 4:42 AM to 5:09 AM, and sunset from 6:43 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:426:43
214.04:436:42
314.04:446:41
413.94:456:40
513.94:456:39
613.94:466:38
713.84:476:37
813.84:486:36
913.84:496:35
1013.74:506:33
1113.74:516:32
1213.74:526:31
1313.64:536:30
1413.64:546:28
1513.54:556:27
1613.54:556:26
1713.54:566:24
1813.44:576:23
1913.44:586:22
2013.44:596:20
2113.35:006:19
2213.35:016:17
2313.25:026:16
2413.25:036:15
2513.25:046:13
2613.15:056:12
2713.15:056:10
2813.05:066:09
2913.05:076:07
3013.05:086:06
3112.95:096:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.3 kWh/m².

For context, solar energy here swings from a low near 2.07 kWh/m² to a high of 5.35 kWh/m² in May across the year — August's 4.3 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.3Bright
154.3Bright
164.3Bright
174.3Bright
184.2Bright
194.2Bright
204.2Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.0Bright
264.0Bright
274.0Moderate
284.0Moderate
293.9Moderate
303.9Moderate
313.9Moderate
Planning a trip in August

Hazard calendar for Yoshioka

In seasonPeak

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

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

Yoshioka'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 Yoshioka?

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

5.5
Sightseeing
5th-best month of the year
5.7
Beach & pool
1st-best month of the year

August is a reasonable time to visit Yoshioka for sightseeing.

What to pack for Yoshioka in August

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

In August, Yoshioka sees daytime highs around 27°C and nights near 22°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

Sea temperature near Yoshioka in August

The nearest coast averages about 24°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 41 km away) is warmest in August at about 24°C and coldest in March near 9°C.

It's comfortable for a long swim from Jul 7 to Oct 10 — about 3.2 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun18Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct19Cool
Nov17Cool
Dec14Bracing

UV index in Yoshioka 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 Yoshioka peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Yoshioka 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 Yoshioka is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Yoshioka?

Yoshioka sits at 38.4°N, 140.9°E, 24 m above sea level, in Japan. The nearest listed city is Tomiya, 5.0 km away.

Topography around Yoshioka

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

Within 3 km, the terrain around Yoshioka has significant variations in elevation — a maximum elevation change of 296 m around an average of 42 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,239 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,978 m.

The land around Yoshioka is covered by trees (40%) and cropland (35%) within 3 km, trees (60%) and cropland (23%) within 16 km, and trees (60%) and water (24%) within 80 km.

3 km
296 m
16 km
1,239 m
80 km
1,978 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Tomiya 5.0 km · Naka-niida 14 km · Rifu 15 km · Furukawa 16 km · Matsushima 18 km · Ōsaki 18 km · Tagajō-shi 19 km · Kogota 19 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 Yoshioka (38.4414°, 140.8764°, elevation 24 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).