Shin’ichi weather in April

In April, Shin’ichi sees average daytime highs of 19°C and overnight lows near 10°C, with 107 mm of rain across 9.6 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 21°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 18 min by month's end. Set against the rest of the year, April is Shin’ichi's 5th-clearest and 5th-windiest month. For the whole year in context, see Shin’ichi's year-round climate.

Daytime high
19°
7th warmest
Overnight low
10°
6th coldest
Rainfall
107 mm
9.6 wet days
Daylight
12 h 54 min
5:41 AM – 6:33 PM
Cloud cover
60%
5th clearest
Wind
10 km/h
5th windiest
Solar energy
5.19 kWh/m²
Travel score
6.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 21°C by the end.

A typical April day in Shin’ichi reaches about 19°C in the afternoon and slips back to 10°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1178
2178
3178
4178
5178
6189
7189
8189
9189
10189
111910
121910
131910
141910
151910
161910
172011
182011
192011
202011
212011
222011
232112
242112
252112
262112
272112
282112
292213
302213

How April really feels in Shin’ichi

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.

Shin’ichi weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 435.70.79.92.3
Feb11° / 5371.110.72.6
Mar14° / 929.70.411.74.1
Apr19° / 10°1079.6012.86.1
May24° / 15°12410013.86.8
Jun26° / 20°18212014.35.9
Jul30° / 24°18913.6014.14.3
Aug32° / 25°10710.9013.33.8
Sep28° / 21°14510.7012.25.6
Oct23° / 15°1057.3011.17.3
Nov17° / 556.1010.26.1
Dec12° / 475.60.29.73.5

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
34951
44951
54951
64951
74852
84852
94852
104753
114753
124753
134753
144654
154654
164555
174555
184555
194555
204456
214555
224456
234654
244654
254555
264654
274654
284654
294654
304654

Chance of precipitation in April

Any precipitation

Shin’ichi gets around 107 mm of rain over 9.6 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
232
332
432
532
632
732
832
933
1033
1133
1233
1333
1434
1534
1634
1734
1833
1933
2033
2132
2232
2331
2431
2530
2630
2730
2830
2930
3030

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195410
294510
394510
493610
593610
692710
792710
892710
991810
1091810
1191810
1291810
1390910
1490910
1589920
16881020
17881020
18881020
19861130
20861130
21851230
22851230
23831340
24821440
25811540
26801550
27781651
28761761
29751771
30751771

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
2210calm
2310calm
2410calm
2510calm
2610calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 60 minutes over April. Sunrise moves from 6:02 AM to 5:24 AM, and sunset from 6:21 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:026:21
212.46:006:22
312.45:596:23
412.45:586:24
512.55:566:24
612.55:556:25
712.55:536:26
812.65:526:27
912.65:516:28
1012.75:496:28
1112.75:486:29
1212.75:476:30
1312.85:456:31
1412.85:446:31
1512.85:426:32
1612.95:416:33
1712.95:406:34
1812.95:396:35
1913.05:376:35
2013.05:366:36
2113.05:356:37
2213.15:346:38
2313.15:326:39
2413.15:316:39
2513.25:306:40
2613.25:296:41
2713.25:286:42
2813.35:266:43
2913.35:256:44
3013.35:246:44

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.19 kWh/m².

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 5.52 kWh/m² in May across the year — April's 5.19 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Shin’ichi

In seasonPeak

In April, Shin’ichi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Shin’ichi 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 Shin’ichi?

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

6.1
Sightseeing
3rd-best month of the year
2.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Shin’ichi for sightseeing.

What to pack for Shin’ichi in April

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

In April, Shin’ichi sees daytime highs around 19°C and nights near 10°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Shin’ichi in April

The nearest coast averages about 15°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 22 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 3 to Nov 12 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep27Warm
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Shin’ichi in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shin’ichi peaks around July 15 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 highModerateJul 15UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shin’ichi 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 Shin’ichi is worst in April — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1324 µg/m³Dec 1414 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May22Moderate
Jun20Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Shin’ichi?

Shin’ichi sits at 34.6°N, 133.3°E, 23 m above sea level, in Japan. The nearest listed city is Fuchūchō, 4.0 km away.

Topography around Shin’ichi

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

Within 3 km, the terrain around Shin’ichi has only modest variations in elevation — a maximum elevation change of 215 m around an average of 68 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 740 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,845 m.

The land around Shin’ichi is covered by trees (55%) and artificial surfaces (33%) within 3 km, trees (75%) within 16 km, and trees (66%) and water (22%) within 80 km.

3 km
215 m
16 km
740 m
80 km
1,845 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Fuchūchō 4.0 km · Fukuyama 12 km · Kannabechō-yahiro 13 km · Onomichi 17 km · Ibara 18 km · Kōzan 21 km · Kasaoka 22 km · Mihara 25 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 Shin’ichi (34.5554°, 133.273°, elevation 23 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).