Ninohe weather in August

In August, Ninohe sees average daytime highs of 26°C and overnight lows near 19°C, with 135 mm of rain across 14.3 wet days and about 13.6 hours of daylight. It is the 1st-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels muggy.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Ninohe's 10th-clearest and 11th-windiest month. For the whole year in context, see Ninohe's year-round climate.

Daytime high
26°
1st warmest
Overnight low
19°
12th coldest
Rainfall
135 mm
14.3 wet days
Daylight
13 h 36 min
4:51 AM – 6:27 PM
Cloud cover
71%
10th clearest
Wind
8 km/h
11th windiest
Solar energy
4.34 kWh/m²
Travel score
5.8
out of 10

Ninohe is city in Iwate Prefecture, Japan.

Density
61/km²
people per km²
Founded
2006

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 26°C through the month.

A typical August day in Ninohe reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262618
272618
282518
292518
302518
312518

How August really feels in Ninohe

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.

Ninohe weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°549.410.99.50.0
Feb / -7°559.410.310.40.0
Mar / -3°8413.39.411.70.5
Apr13° / 8513.32.9133.3
May18° / 88120.214.25.5
Jun22° / 14°10112.5014.85.9
Jul25° / 18°13715.3014.65.8
Aug26° / 19°13514.3013.65.8
Sep23° / 15°12912.2012.36.1
Oct17° / 10510.5010.95.1
Nov10° / 6811.62.89.82.0
Dec / -4°6610.99.69.20.0

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 15% of August, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43268
53268
63268
73268
83169
93169
103070
113070
123070
132971
142971
152971
163070
173169
183070
193169
203169
213268
223268
233268
243268
253169
263070
273070
283070
293070
303070
313070

Chance of precipitation in August

Any precipitation

Ninohe gets around 135 mm of rain over 14.3 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 46% and peaks near 47% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
445
545
645
745
845
945
1045
1145
1245
1346
1446
1546
1647
1747
1847
1947
2047
2147
2247
2347
2447
2547
2647
2746
2846
2946
3046
3146

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 63% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128184825
228184726
328184726
418184627
518184627
618184627
718184627
818194626
918194626
1018204625
1118204625
1218214524
1318224524
1418224523
1518234423
1629234422
1729244322
1829254321
19210254221
20310264120
21311264020
22312273919
23312283818
24413293817
25414293716
26414303715
27415313614
28416323513
29417323412
30418333311
31518343210

Wind in August

Winds average 8 km/h in August.

Across August, daily wind ranges from about 8 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
18calm
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 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 4:36 AM to 5:05 AM, and sunset from 6:46 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:366:46
214.14:376:45
314.14:386:43
414.14:396:42
514.04:406:41
614.04:416:40
714.04:426:39
813.94:436:38
913.94:446:36
1013.84:456:35
1113.84:466:34
1213.84:476:33
1313.74:486:31
1413.74:496:30
1513.64:506:29
1613.64:516:27
1713.64:526:26
1813.54:536:24
1913.54:546:23
2013.44:556:21
2113.44:566:20
2213.44:576:18
2313.34:576:17
2413.34:586:15
2513.24:596:14
2613.25:006:12
2713.25:016:11
2813.15:026:09
2913.15:036:07
3013.05:046:06
3113.05:056:04

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.34 kWh/m².

For context, solar energy here swings from a low near 1.84 kWh/m² to a high of 5.38 kWh/m² in May across the year — August's 4.34 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.1Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Bright
304.0Moderate
314.0Moderate
Planning a trip in August

Hazard calendar for Ninohe

In seasonPeak

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

Ninohe 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 Ninohe?

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

5.8
Sightseeing
3rd-best month of the year
5.7
Beach & pool
1st-best month of the year

August is a reasonable time to visit Ninohe for sightseeing.

What to pack for Ninohe in August

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

In August, Ninohe sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Ninohe in August

The nearest coast averages about 21°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 46 km away) is warmest in August at about 21°C and coldest in March near 7°C.

It's comfortable for a long swim from Aug 8 to Sep 26 — about 1.6 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar7Bracing
Apr8Bracing
May10Bracing
Jun14Bracing
Jul18Cool
Aug21Refreshing
Sep21Refreshing
Oct18Cool
Nov15Cool
Dec12Bracing

UV index in Ninohe 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 Ninohe peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun7Very high
Jul5Moderate
Aug9Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec1Low

Air quality in Ninohe 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 Ninohe is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1421 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug12Good
Sep12Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Ninohe?

Ninohe sits at 40.3°N, 141.3°E, 261 m above sea level, in Japan. The nearest listed city is Nanaku, 13 km away.

Topography around Ninohe

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

Within 3 km, the terrain around Ninohe has significant variations in elevation — a maximum elevation change of 332 m around an average of 190 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 837 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,128 m.

The land around Ninohe is covered by trees (81%) within 3 km, trees (90%) within 16 km, and trees (69%) and water (22%) within 80 km.

3 km
332 m
16 km
837 m
80 km
2,128 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Nanaku 13 km · Hakurōmachi 26 km · Ōno 27 km · Hachinohe 28 km · Towada 38 km · Hitokawame 40 km · Kuji 40 km · Misawa 45 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 Ninohe (40.2908°, 141.3133°, elevation 261 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).