Omaezaki weather in August

In August, Omaezaki sees average daytime highs of 27°C and overnight lows near 26°C, with 137 mm of rain across 13.2 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 9th-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 42% of the time in August, and the air most often feels miserable.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Omaezaki's 5th-clearest and 12th-windiest month. For the whole year in context, see Omaezaki's year-round climate.

Daytime high
27°
1st warmest
Overnight low
26°
12th coldest
Rainfall
137 mm
13.2 wet days
Daylight
13 h 18 min
5:12 AM – 6:30 PM
Cloud cover
52%
5th clearest
Wind
19 km/h
12th windiest
Solar energy
5.57 kWh/m²
Travel score
6.2
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 Omaezaki reaches about 27°C in the afternoon and slips back to 26°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, August runs about 1°C warmer than July and about 2°C warmer than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12725
22725
32726
42726
52726
62726
72726
82726
92726
102726
112726
122726
132726
142726
152726
162726
172726
182726
192726
202726
212726
222726
232726
242726
252725
262725
272725
282725
292725
302725
312725

Omaezaki weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 948.39.92.8
Feb11° / 1129.310.72.9
Mar14° / 10°18012.911.73.7
Apr17° / 14°17711.812.85.1
May20° / 18°20811.613.86.0
Jun22° / 21°29014.514.35.6
Jul26° / 24°24013.614.16.1
Aug27° / 26°13713.213.36.2
Sep25° / 24°24015.612.25.9
Oct22° / 20°25914.111.16.1
Nov18° / 15°16012.110.25.6
Dec13° / 10°949.59.74.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 45%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35545
45545
55545
65545
75545
85545
95545
105644
115644
125545
135545
145545
155545
165545
175545
185545
195545
205446
215446
225446
235446
245446
255446
265446
275446
285446
295446
305347
315248

Chance of precipitation in August

Any precipitation

Omaezaki gets around 137 mm of rain over 13.2 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 43% and peaks near 48% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
140
240
340
440
540
640
740
841
941
1041
1142
1242
1342
1443
1543
1643
1744
1844
1944
2044
2144
2244
2344
2444
2544
2644
2745
2845
2946
3047
3148

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the miserable band about 53% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1073360
2063262
3063163
4063064
5063064
6062965
7062965
8062965
9062965
10063064
11063064
12063163
13063262
14063460
15063559
16163657
17163855
18173953
19174052
20174151
21184348
22184447
23194545
24194644
251104742
261114840
272124839
282134937
292144935
302155034
312165032

Wind in August

Winds average 19 km/h in August, the calmest month.

Across August, daily wind ranges from about 19 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
519light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3120light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 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 60 minutes over August. Sunrise moves from 5:01 AM to 5:23 AM, and sunset from 6:46 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:016:46
213.75:016:45
313.75:026:44
413.75:036:43
513.65:046:42
613.65:046:41
713.65:056:40
813.65:066:39
913.55:076:38
1013.55:076:37
1113.55:086:36
1213.45:096:35
1313.45:106:34
1413.45:106:33
1513.35:116:32
1613.35:126:30
1713.35:136:29
1813.25:146:28
1913.25:146:27
2013.25:156:26
2113.15:166:24
2213.15:176:23
2313.15:176:22
2413.05:186:20
2513.05:196:19
2613.05:206:18
2712.95:206:17
2812.95:216:15
2912.95:226:14
3012.85:236:12
3112.85:236:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.57 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 5.59 kWh/m² in May across the year — August's 5.57 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.4Bright
225.4Bright
235.4Bright
245.3Bright
255.3Bright
265.3Bright
275.2Bright
285.2Bright
295.2Bright
305.1Bright
315.1Bright
Planning a trip in August

Hazard calendar for Omaezaki

In seasonPeak

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

Omaezaki 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 Omaezaki?

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

6.2
Sightseeing
1st-best month of the year
6.2
Beach & pool
1st-best month of the year

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

What to pack for Omaezaki in August

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

In August, Omaezaki sees daytime highs around 27°C and nights near 26°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Omaezaki 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 offshore is warmest in August at about 27°C and coldest in February near 16°C.

It's comfortable for a long swim from May 25 to Nov 29 — about 6.2 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Omaezaki 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 Omaezaki peaks around August 10 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateAug 10UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May19Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Omaezaki?

Omaezaki sits at 34.6°N, 138.2°E, 43 m above sea level, in Japan. The nearest listed city is Ōyama, 1.0 km away.

Topography around Omaezaki

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

Within 3 km, the terrain around Omaezaki has only modest variations in elevation — a maximum elevation change of 51 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 154 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,297 m.

The land around Omaezaki is covered by water (74%) within 3 km, water (82%) within 16 km, and water (56%) and trees (36%) within 80 km.

3 km
51 m
16 km
154 m
80 km
2,297 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ōyama 1.0 km · Sagara 10 km · Kikugawa 15 km · Sumiyoshi 17 km · Maruobara 17 km · Shimada 24 km · Kanaya 26 km · Kakegawa 26 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 Omaezaki (34.5988°, 138.2193°, elevation 43 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).