Shikokuchūō weather in April

In April, Shikokuchūō sees average daytime highs of 16°C and overnight lows near 10°C, with 142 mm of precipitation across 11.9 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 18°C by the end. The sky is clear or mostly clear about 33% 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 Shikokuchūō's 4th-clearest and 6th-windiest month. For the whole year in context, see Shikokuchūō's year-round climate.

Daytime high
16°
7th warmest
Overnight low
10°
6th coldest
Precipitation
142 mm
11.9 wet days
Daylight
12 h 48 min
5:41 AM – 6:31 PM
Cloud cover
59%
4th clearest
Wind
9 km/h
6th windiest
Solar energy
5.25 kWh/m²
Travel score
4.9
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 18°C by the end.

A typical April day in Shikokuchūō reaches about 16°C in the afternoon and slips back to 10°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 20°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1147
2147
3148
4158
5158
6158
7158
8158
9159
10169
11169
12169
13169
14169
151610
161710
171710
181710
191710
201710
211711
221711
231811
241811
251811
261811
271812
281812
291912
301912

How April really feels in Shikokuchūō

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.

Shikokuchūō weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 8013.73.6101.0
Feb / 8811.93.610.71.3
Mar12° / 12813.41.511.72.8
Apr16° / 10°14211.90.112.84.9
May21° / 14°17012.1013.76.1
Jun24° / 19°26816.3014.25.5
Jul27° / 23°26517.60145.0
Aug29° / 24°18216.6013.34.8
Sep26° / 20°24915.6012.25.8
Oct20° / 15°18911.9011.16.2
Nov15° / 9810.30.110.24.6
Dec10° / 9312.529.82.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
24951
34951
45050
55050
64951
74951
84951
94753
104852
114753
124753
134654
144555
154555
164555
174555
184555
194555
204456
214456
224555
234654
244555
254555
264555
274654
284654
294654
304654

Chance of precipitation in April

Any precipitation

Shikokuchūō gets around 142 mm of rain and snow over 11.9 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 (%)
141
240
340
440
540
640
740
840
941
1041
1141
1242
1342
1442
1542
1642
1742
1842
1941
2041
2140
2240
2339
2439
2538
2638
2737
2837
2937
3036

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 (%)
19541
29541
39451
49451
59361
69361
79271
89271
99271
109181
119181
129181
139181
149091
159091
168992
1788102
1888102
1988102
2087112
2186113
2285123
2384133
2483143
2581154
2679174
2778184
2876195
2976195
3074206

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm

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 6:01 AM to 5:24 AM, and sunset from 6:20 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:016:20
212.46:006:21
312.45:586:21
412.45:576:22
512.55:556:23
612.55:546:24
712.55:536:25
812.65:516:25
912.65:506:26
1012.65:496:27
1112.75:476:28
1212.75:466:28
1312.75:456:29
1412.85:436:30
1512.85:426:31
1612.85:416:31
1712.95:396:32
1812.95:386:33
1912.95:376:34
2013.05:366:35
2113.05:346:35
2213.05:336:36
2313.15:326:37
2413.15:316:38
2513.15:306:38
2613.25:286:39
2713.25:276:40
2813.25:266:41
2913.35:256:42
3013.35:246:42

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.25 kWh/m².

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.59 kWh/m² in May across the year — April's 5.25 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Shikokuchūō

In seasonPeak

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

Shikokuchūō 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 Shikokuchūō?

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

4.9
Sightseeing
6th-best month of the year
1.0
Beach & pool
7th-best month of the year

April is a reasonable time to visit Shikokuchūō for sightseeing.

What to pack for Shikokuchūō in April

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

In April, Shikokuchūō sees daytime highs around 16°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 Shikokuchūō 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 18 km away) is warmest in August at about 28°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
Apr15Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug28Warm
Sep27Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Shikokuchūō 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 Shikokuchūō peaks around July 11 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Shikokuchūō 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 Shikokuchūō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1321 µg/m³Oct 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Shikokuchūō?

Shikokuchūō sits at 34.0°N, 133.5°E, 41 m above sea level, in Japan. The nearest listed city is Kawanoechō, 5.0 km away.

Topography around Shikokuchūō

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

Within 3 km, the terrain around Shikokuchūō has large variations in elevation — a maximum elevation change of 807 m around an average of 163 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,641 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,946 m.

The land around Shikokuchūō is covered by trees (40%) and artificial surfaces (40%) within 3 km, trees (59%) and water (33%) within 16 km, and trees (60%) and water (29%) within 80 km.

3 km
807 m
16 km
1,641 m
80 km
1,946 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Kawanoechō 5.0 km · Kan’onjichō 19 km · Niihama 23 km · Ikedachō 24 km · Mitoyo 29 km · Saijō 34 km · Shioiri 34 km · Zentsujichó 35 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 Shikokuchūō (33.9754°, 133.5489°, elevation 41 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).