Sado weather in August

In August, Sado sees average daytime highs of 29°C and overnight lows near 24°C, with 145 mm of rain across 11.5 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 29°C through the month. The sky is clear or mostly clear about 30% 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 Sado's 2nd-clearest and 11th-windiest month. For the whole year in context, see Sado's year-round climate.

Daytime high
29°
1st warmest
Overnight low
24°
12th coldest
Rainfall
145 mm
11.5 wet days
Daylight
13 h 30 min
5:06 AM – 6:35 PM
Cloud cover
60%
2nd clearest
Wind
10 km/h
11th windiest
Solar energy
5.36 kWh/m²
Travel score
5.4
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical August day in Sado reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 32°C. Set against its neighbours, August runs about 2°C warmer than July and about 4°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12924
22924
32924
42925
52925
62925
72925
82925
92925
102925
112925
122925
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232824
242824
252824
262824
272824
282823
292823
302823
312823

How August really feels in Sado

Once humidity and wind are folded in, August averages 15 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
15
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.

Sado 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 / 12920.910.59.70.2
Feb / 9117.28.410.50.3
Mar / 10116.63.611.71.5
Apr14° / 9112.10.2133.8
May19° / 13°93110145.9
Jun23° / 18°12610014.66.5
Jul27° / 22°20514.6014.45.6
Aug29° / 24°14511.5013.55.4
Sep25° / 21°14112.2012.36.2
Oct20° / 15°12912.20115.9
Nov14° / 12916.10.19.93.4
Dec / 15121.55.69.41.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74555
84654
94654
104654
114654
124654
134654
144654
154654
164654
174654
184753
194753
204753
214852
224852
234753
244753
254654
264654
274654
284555
294456
304456
314555

Chance of precipitation in August

Any precipitation

Sado gets around 145 mm of rain over 11.5 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 38% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
935
1035
1136
1236
1337
1437
1538
1638
1738
1838
1939
2039
2139
2239
2340
2440
2540
2641
2741
2842
2942
3043
3143

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
103196612
203196612
304196413
404196413
504206214
604206214
704216114
804216114
914225815
1013235815
1113235815
1214245615
1314245615
1414255515
1514255515
1614265415
1724275314
1824275314
1925285213
2025295113
2125295212
2235305111
2336315010
243632499
253733498
263834487
273935467
2831036456
2931137445
3041237424
3141338414

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
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 4:53 AM to 5:20 AM, and sunset from 6:52 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:536:52
214.04:546:51
313.94:556:50
413.94:566:49
513.94:566:48
613.84:576:47
713.84:586:46
813.84:596:45
913.75:006:44
1013.75:016:43
1113.75:026:41
1213.65:036:40
1313.65:036:39
1413.65:046:38
1513.55:056:36
1613.55:066:35
1713.45:076:34
1813.45:086:33
1913.45:096:31
2013.35:106:30
2113.35:116:28
2213.35:126:27
2313.25:126:26
2413.25:136:24
2513.15:146:23
2613.15:156:21
2713.15:166:20
2813.05:176:18
2913.05:186:17
3012.95:196:15
3112.95:206:14

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.36 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 5.93 kWh/m² in May across the year — August's 5.36 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.4Bright
145.4Bright
155.4Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in August

Hazard calendar for Sado

In seasonPeak

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

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

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Sado?

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

5.4
Sightseeing
6th-best month of the year
6.6
Beach & pool
1st-best month of the year

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

What to pack for Sado in August

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

In August, Sado sees daytime highs around 29°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Sado 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 offshore is warmest in August at about 26°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 24 to Oct 29 — about 4.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Sado 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 Sado peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 14UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Sado 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 Sado is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (September, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1120 µg/m³Sep 159 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar20Moderate
Apr21Moderate
May18Moderate
Jun13Moderate
Jul11Good
Aug9Good
Sep9Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Sado?

Sado sits at 38.0°N, 138.4°E, 27 m above sea level, in Japan. The nearest listed city is Ryōtsu-minato, 9.0 km away.

Topography around Sado

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

Within 3 km, the terrain around Sado has only modest variations in elevation — a maximum elevation change of 227 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, large variations in elevation — a maximum elevation change of 1,125 m.

The land around Sado is covered by cropland (52%) and trees (38%) within 3 km, trees (59%) and water (30%) within 16 km, and water (78%) within 80 km.

3 km
227 m
16 km
1,155 m
80 km
1,125 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Ryōtsu-minato 9.0 km · Maki 55 km · Yoshida-kasugachō 60 km · Niigata 61 km · Tsubame 64 km · Shirone 65 km · Kameda-honchō 68 km · Sanjō 69 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 Sado (38.025°, 138.3593°, elevation 27 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).