Ikaruga weather in April

In April, Ikaruga sees average daytime highs of 16°C and overnight lows near 11°C, with 131 mm of rain across 10.3 wet days and about 12.9 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 17°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 24 min by month's end. Set against the rest of the year, April is Ikaruga's 6th-clearest and 7th-windiest month. For the whole year in context, see Ikaruga's year-round climate.

Daytime high
16°
8th warmest
Overnight low
11°
5th coldest
Rainfall
131 mm
10.3 wet days
Daylight
12 h 54 min
5:36 AM – 6:28 PM
Cloud cover
58%
6th clearest
Wind
15 km/h
7th windiest
Solar energy
5.38 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 17°C by the end.

A typical April day in Ikaruga reaches about 16°C in the afternoon and slips back to 11°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°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)
1149
2149
3149
4149
51410
61510
71510
81510
91510
101510
111511
121511
131611
141611
151611
161611
171612
181612
191612
201612
211712
221712
231713
241713
251713
261713
271713
281713
291813
301814

How April really feels in Ikaruga

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.

Ikaruga weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 507.10.49.91.9
Feb / 637.70.610.72.0
Mar12° / 1129.9011.73.2
Apr16° / 11°13110.3012.94.9
May19° / 16°14610.2013.86.1
Jun23° / 20°18512.4014.36.0
Jul26° / 24°19312.8014.16.1
Aug28° / 25°11210.4013.36.1
Sep26° / 22°19512.3012.26.4
Oct21° / 17°1448.9011.16.8
Nov16° / 12°747010.25.5
Dec11° / 616.909.73.1

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 16% of April, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65248
75248
85248
95149
105149
115149
125050
135050
145050
154951
164852
174852
184753
194852
204852
214753
224753
234753
244753
254852
264951
274951
284951
294951
304951

Chance of precipitation in April

Any precipitation

Ikaruga gets around 131 mm of rain over 10.3 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
232
332
432
533
633
733
833
934
1034
1134
1235
1335
1435
1536
1636
1736
1836
1936
2036
2136
2235
2335
2435
2534
2634
2733
2833
2933
3033

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 80% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195500
294600
394600
493700
592800
692800
791900
8891010
9891010
10881110
11871210
12871210
13861310
14841420
15831520
16821620
17811720
18801730
19791830
20781930
21762130
22742240
23722440
24712540
25682750
26662860
27652960
28623170
29603280
30583381

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2814light breeze
2914light breeze
3014light 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 5:57 AM to 5:19 AM, and sunset from 6:16 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:576:16
212.45:556:17
312.45:546:18
412.45:526:19
512.55:516:19
612.55:496:20
712.55:486:21
812.65:476:22
912.65:456:23
1012.75:446:23
1112.75:426:24
1212.75:416:25
1312.85:406:26
1412.85:386:27
1512.85:376:27
1612.95:366:28
1712.95:346:29
1812.95:336:30
1913.05:326:31
2013.05:306:31
2113.05:296:32
2213.15:286:33
2313.15:276:34
2413.25:266:35
2513.25:246:35
2613.25:236:36
2713.35:226:37
2813.35:216:38
2913.35:206:39
3013.45:196:40

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.38 kWh/m².

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 5.75 kWh/m² in May across the year — April's 5.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.1Bright
45.1Bright
55.1Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Ikaruga

In seasonPeak

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

Ikaruga 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 Ikaruga?

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

4.9
Sightseeing
8th-best month of the year
0.7
Beach & pool
8th-best month of the year

April is a reasonable time to visit Ikaruga for sightseeing.

What to pack for Ikaruga in April

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

In April, Ikaruga sees daytime highs around 16°C and nights near 11°C. Worth packing: a warm layer, rain gear and sun protection. About 10 days see rain.

a warm layerrain gearsun protection

Sea temperature near Ikaruga 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 24 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 7 to Nov 13 — about 5.3 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
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Ikaruga 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 Ikaruga peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Ikaruga 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 Ikaruga is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1422 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Ikaruga?

Ikaruga sits at 34.8°N, 134.6°E, 17 m above sea level, in Japan. The nearest listed city is Tatsuno, 3.0 km away.

Topography around Ikaruga

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

Within 3 km, the terrain around Ikaruga has only modest variations in elevation — a maximum elevation change of 242 m around an average of 27 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 516 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,489 m.

The land around Ikaruga is covered by artificial surfaces (50%) and trees (24%) within 3 km, trees (46%), water (24%) and artificial surfaces (21%) within 16 km, and trees (58%) and water (27%) within 80 km.

3 km
242 m
16 km
516 m
80 km
1,489 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Tatsuno 3.0 km · Tatsunochō-tominaga 4.0 km · Aioi 11 km · Himeji 11 km · Shirahamachō-usazakiminami 14 km · Shisō 16 km · Yamazakichō-nakabirose 19 km · Kariya 20 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 Ikaruga (34.8347°, 134.578°, elevation 17 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).