Hirara weather in April

In April, Hirara sees average daytime highs of 24°C and overnight lows near 22°C, with 140 mm of rain across 12.6 wet days and about 12.6 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 23°C in the first days to 24°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of April to 12 h 54 min by month's end. Set against the rest of the year, April is Hirara's 6th-clearest and 9th-windiest month. For the whole year in context, see Hirara's year-round climate.

Daytime high
24°
8th warmest
Overnight low
22°
5th coldest
Rainfall
140 mm
12.6 wet days
Daylight
12 h 36 min
6:22 AM – 6:56 PM
Cloud cover
64%
6th clearest
Wind
24 km/h
9th windiest
Solar energy
5.08 kWh/m²
Travel score
6.4
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 23°C in the first days to 24°C by the end.

A typical April day in Hirara reaches about 24°C in the afternoon and slips back to 22°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, April runs about 2°C warmer than March and about 2°C cooler than May.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12321
22321
32321
42321
52321
62321
72321
82321
92321
102322
112322
122322
132322
142422
152422
162422
172422
182422
192422
202422
212423
222423
232423
242423
252423
262423
272423
282523
292523
302523

How April really feels in Hirara

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.

Hirara weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 18°12914.610.65.5
Feb21° / 19°10412.311.15.7
Mar22° / 20°11712.811.86.1
Apr24° / 22°14012.612.66.4
May26° / 24°18214.313.25.9
Jun28° / 27°16914.313.55.3
Jul29° / 28°13512.813.45.2
Aug29° / 28°21316.412.94.8
Sep28° / 27°18915.112.25.4
Oct26° / 25°13412.111.46.4
Nov24° / 23°12412.910.86.4
Dec22° / 20°13312.510.56.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34258
44258
54258
64258
74258
84258
94357
104357
114357
124456
134456
144456
154357
164258
174258
184357
194258
204159
214060
224060
234060
243862
253862
263862
273862
283763
293664
303664

Chance of precipitation in April

Any precipitation

Hirara gets around 140 mm of rain over 12.6 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 42% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
139
239
339
439
539
640
740
840
940
1040
1140
1240
1340
1440
1541
1641
1742
1842
1943
2043
2144
2244
2344
2444
2545
2645
2745
2845
2945
3045

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
116172427160
215172428160
314172428170
413172428180
512172428190
611172429200
710172329210
89162329230
99162329240
108152229260
117152229270
127142128290
136132128310
146132028321
156122028341
165121927361
175111827371
185111827382
195111726392
205101726393
214101726403
224101725414
23491625414
24491625415
25391625426
26391625426
27391624427
28391624417
29281624418
30281624418

Wind in April

Winds average 24 km/h in April.

Across April, daily wind ranges from about 23 km/h on the calmest days to 25 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
125breezy
224breezy
324breezy
424breezy
524breezy
624breezy
724breezy
824breezy
924breezy
1024breezy
1124breezy
1224breezy
1324breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 12 min at the start of April to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over April. Sunrise moves from 6:37 AM to 6:09 AM, and sunset from 6:50 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:376:50
212.26:366:50
312.36:356:51
412.36:346:51
512.36:336:52
612.36:326:52
712.46:316:52
812.46:306:53
912.46:296:53
1012.46:286:54
1112.56:276:54
1212.56:266:55
1312.56:256:55
1412.56:246:56
1512.66:236:56
1612.66:226:56
1712.66:216:57
1812.66:206:57
1912.66:196:58
2012.76:186:58
2112.76:176:59
2212.76:166:59
2312.76:157:00
2412.86:147:00
2512.86:137:01
2612.86:137:01
2712.86:127:02
2812.96:117:02
2912.96:107:02
3012.96:097:03

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.08 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 6.38 kWh/m² in July across the year — April's 5.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in April

Hazard calendar for Hirara

In seasonPeak

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

Hirara 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 Hirara?

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

6.4
Sightseeing
1st-best month of the year
5.2
Beach & pool
8th-best month of the year

April is a reasonable time to visit Hirara for sightseeing.

What to pack for Hirara in April

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

In April, Hirara sees daytime highs around 24°C and nights near 22°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 13 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Hirara in April

The nearest coast averages about 24°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 29°C and coldest in February near 23°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan23Refreshing
Feb23Refreshing
Mar23Refreshing
Apr24Warm
May26Warm
Jun28Warm
Jul29Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov26Warm
Dec24Warm

UV index in Hirara in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hirara peaks around June 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 5 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighJun 20UV 12Dec 21UV 5
UV index (midday)Level
Jan6High
Feb8Very high
Mar10Very high
Apr9Very high
May10Very high
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct8Very high
Nov7High
Dec5High

Air quality in Hirara 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 Hirara is worst in March — around 16 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (June, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 1816 µg/m³Jun 217 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar16Moderate
Apr14Moderate
May10Good
Jun7Good
Jul8Good
Aug8Good
Sep8Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Hirara?

Hirara sits at 24.8°N, 125.3°E, 31 m above sea level, in Japan. The nearest listed city is Miyakojima, 2.0 km away.

ItomanTomigusukuNahaYaeseKanegusukuNanjō

Topography around Hirara

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

Within 3 km, the terrain around Hirara has only modest variations in elevation — a maximum elevation change of 91 m around an average of 32 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 114 m; within 80 km, only modest variations in elevation — a maximum elevation change of 110 m.

The land around Hirara is covered by trees (31%), cropland (28%) and artificial surfaces (26%) within 3 km, water (76%) within 16 km, and water (98%) within 80 km.

3 km
91 m
16 km
114 m
80 km
110 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Miyakojima 2.0 km · Ishigaki 127 km · Itoman 279 km · Tomigusuku 284 km · Naha 285 km · Yaese 286 km · Kanegusuku 288 km · Nanjō 289 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 Hirara (24.8038°, 125.3022°, elevation 31 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).