Hitachi weather in April

In April, Hitachi sees average daytime highs of 14°C and overnight lows near 10°C, with 125 mm of precipitation across 12 wet days and about 12.9 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 16°C by the end. The sky is clear or mostly clear about 31% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Hitachi's 7th-clearest and 5th-windiest month. For the whole year in context, see Hitachi's year-round climate.

Daytime high
14°
8th warmest
Overnight low
10°
5th coldest
Precipitation
125 mm
12 wet days
Daylight
12 h 54 min
5:10 AM – 6:06 PM
Cloud cover
60%
7th clearest
Wind
16 km/h
5th windiest
Solar energy
5.07 kWh/m²
Travel score
3.9
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 12°C in the first days to 16°C by the end.

A typical April day in Hitachi reaches about 14°C in the afternoon and slips back to 10°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 17°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1128
2128
3128
4128
5138
6139
7139
8139
9139
10139
11139
121410
131410
141410
151410
161410
171410
181410
191411
201511
211511
221511
231511
241511
251512
261512
271612
281612
291612
301612

How April really feels in Hitachi

Once humidity and wind are folded in, April 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

April 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 April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
24951
35050
45050
54951
64852
74852
84852
94753
104753
114654
124654
134555
144555
154555
164456
174555
184456
194456
204456
214456
224555
234654
244654
254654
264654
274654
284654
294753
304753

Chance of precipitation in April

Any precipitationSnow

Hitachi gets around 125 mm of rain and snow over 12 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 40% and peaks near 42% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1422
2412
3411
4411
5411
6411
7411
8411
9401
10401
11401
12401
13400
14400
15400
16400
17400
18400
19400
20400
21400
22400
23400
24400
25400
26400
27400
28390
29390
30390

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
49910
59910
69910
79910
89910
99910
109820
119820
129820
139820
149730
159730
169640
179640
189550
199460
209370
219280
229190
2390100
2488120
2585141
2684151
2782171
2880191
2978211
3077221

Wind in April

Winds average 16 km/h in April.

Across April, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1217light breeze
1317light breeze
1417light breeze
1517light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:32 AM to 4:51 AM, and sunset from 5:53 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:325:53
212.45:305:53
312.45:295:54
412.55:275:55
512.55:265:56
612.55:245:57
712.65:235:58
812.65:215:59
912.75:205:59
1012.75:186:00
1112.75:176:01
1212.85:156:02
1312.85:146:03
1412.95:126:04
1512.95:116:05
1612.95:106:06
1713.05:086:07
1813.05:076:07
1913.05:056:08
2013.15:046:09
2113.15:036:10
2213.25:016:11
2313.25:006:12
2413.24:596:13
2513.34:586:14
2613.34:566:14
2713.34:556:15
2813.44:546:16
2913.44:536:17
3013.44:516:18

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, 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 — April's 5.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Hitachi

In seasonPeak

In April, 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 April a good time to visit Hitachi?

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

3.9
Sightseeing
8th-best month of the year
0.1
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Hitachi.

What to pack for Hitachi in April

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

In April, Hitachi sees daytime highs around 14°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Hitachi in April

The nearest coast averages about 14°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).