Hitachi weather in August

In August, Hitachi sees average daytime highs of 26°C and overnight lows near 23°C, with 111 mm of rain across 11.4 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 8th-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 24% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Hitachi's 8th-clearest and 10th-windiest month. For the whole year in context, see Hitachi's year-round climate.

Daytime high
26°
1st warmest
Overnight low
23°
12th coldest
Rainfall
111 mm
11.4 wet days
Daylight
13 h 24 min
4:59 AM – 6:24 PM
Cloud cover
64%
8th clearest
Wind
13 km/h
10th windiest
Solar energy
5.07 kWh/m²
Travel score
6.4
out of 10

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 Hitachi reaches about 26°C in the afternoon and slips back to 23°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, August runs about 2°C warmer than July and about 2°C warmer than September.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12623
22623
32623
42623
52623
62624
72624
82624
92624
102624
112624
122624
132624
142624
152624
162624
172624
182624
192624
202623
212623
222623
232623
242623
252623
262623
272623
282523
292523
302523
312523

How August really feels in Hitachi

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.

Hitachi weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 738.21.29.81.5
Feb / 718.31.810.61.4
Mar10° / 12712.70.911.72.3
Apr14° / 10°125120.212.93.9
May18° / 15°14412.5013.95.3
Jun21° / 18°14814.3014.55.4
Jul24° / 22°16214.1014.26.0
Aug26° / 23°11111.4013.46.4
Sep24° / 21°17414.1012.26.0
Oct19° / 17°21113.2011.15.8
Nov15° / 12°10810.10104.7
Dec11° / 728.70.29.52.8

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 17% of August, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34159
44258
54258
64357
74357
84258
94258
104159
114258
124258
134258
144258
154159
164159
174159
184258
194258
204258
214258
224258
234258
244357
254357
264357
274258
284258
294258
304258
314159

Chance of precipitation in August

Any precipitation

Hitachi gets around 111 mm of rain over 11.4 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 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
233
333
433
533
633
733
834
934
1035
1135
1236
1337
1437
1537
1638
1738
1838
1938
2039
2139
2240
2340
2440
2541
2641
2742
2842
2943
3044
3145

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 56% 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 (%)
105156416
205146417
305146318
406136219
506136120
606136021
706135922
806135922
906135823
1006135823
1106145723
1205155624
1315155524
1415165424
1515165523
1615175423
1715185323
1815185422
1915195322
2015205321
2115205420
2215215419
2316225318
2416235317
2516245316
2616255216
2716265215
2816275214
2917285113
3017295112
3117305111

Wind in August

Winds average 13 km/h in August.

Across August, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze
3114light breeze

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 min 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 60 minutes over August. Sunrise moves from 4:47 AM to 5:12 AM, and sunset from 6:40 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.94:476:40
213.94:486:39
313.84:486:38
413.84:496:37
513.84:506:36
613.74:516:35
713.74:526:34
813.74:536:33
913.64:536:32
1013.64:546:31
1113.64:556:30
1213.54:566:29
1313.54:576:27
1413.54:586:26
1513.44:586:25
1613.44:596:24
1713.45:006:22
1813.35:016:21
1913.35:026:20
2013.35:036:19
2113.25:036:17
2213.25:046:16
2313.25:056:15
2413.15:066:13
2513.15:076:12
2613.05:086:10
2713.05:086:09
2813.05:096:08
2912.95:106:06
3012.95:116:05
3112.95:126:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.07 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.45 kWh/m² in May across the year — August's 5.07 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in August

Hazard calendar for Hitachi

In seasonPeak

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

Hitachi 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 Hitachi?

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

6.4
Sightseeing
1st-best month of the year
6.0
Beach & pool
1st-best month of the year

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

What to pack for Hitachi in August

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

In August, Hitachi sees daytime highs around 26°C and nights near 23°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Hitachi 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 20 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 28 to Oct 25 — about 3.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr14Bracing
May17Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Hitachi 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 Hitachi peaks around August 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateAug 12UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Hitachi 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 Hitachi is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2219 µg/m³Dec 177 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar17Moderate
Apr19Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep10Good
Oct10Good
Nov9Good
Dec7Good
Location & terrain

Where is Hitachi?

Hitachi sits at 36.6°N, 140.7°E, 51 m above sea level, in Japan. The nearest listed city is Hitachi-ota, 12 km away.

Topography around Hitachi

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

Within 3 km, the terrain around Hitachi has significant variations in elevation — a maximum elevation change of 375 m around an average of 103 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 653 m; within 80 km, large variations in elevation — a maximum elevation change of 1,074 m.

The land around Hitachi is covered by trees (45%) and artificial surfaces (34%) within 3 km, water (43%) and trees (40%) within 16 km, and trees (46%) and water (30%) within 80 km.

3 km
375 m
16 km
653 m
80 km
1,074 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Hitachi-ota 12 km · Takahagi 14 km · Tokai 16 km · Funaishikawa 17 km · Ōmiya 22 km · Inada 22 km · Hitachiomiya 22 km · Kitaibaraki 23 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 Hitachi (36.6°, 140.65°, elevation 51 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).