Amami weather in April

In April, Amami sees average daytime highs of 21°C and overnight lows near 19°C, with 158 mm of rain across 13.2 wet days and about 12.7 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 20% 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 hours by month's end. Set against the rest of the year, April is Amami's 7th-clearest and 7th-windiest month. For the whole year in context, see Amami's year-round climate.

Daytime high
21°
8th warmest
Overnight low
19°
5th coldest
Rainfall
158 mm
13.2 wet days
Daylight
12 h 42 min
6:02 AM – 6:43 PM
Cloud cover
70%
7th clearest
Wind
22 km/h
7th windiest
Solar energy
4.82 kWh/m²
Travel score
5.8
out of 10

Amami is city in Kagoshima prefecture, Japan.

Density
134/km²
people per km²
Founded
2006

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical April day in Amami reaches about 21°C in the afternoon and slips back to 19°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, April runs about 2°C warmer than March and about 3°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12017
22018
32018
42018
52018
62018
72018
82018
92018
102018
112018
122119
132119
142119
152119
162119
172119
182119
192119
202119
212119
222120
232220
242220
252220
262220
272220
282220
292220
302220

How April really feels in Amami

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.

Amami weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan17° / 15°12414.310.44.7
Feb17° / 15°12112.8114.8
Mar19° / 16°15714.511.85.3
Apr21° / 19°15813.212.75.8
May23° / 22°2101413.46.0
Jun26° / 25°32017.613.85.2
Jul29° / 27°12810.713.65.5
Aug29° / 27°14213.8135.2
Sep28° / 26°17515.212.25.6
Oct25° / 24°14912.611.36.5
Nov22° / 20°11810.910.66.4
Dec19° / 17°11012.910.25.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13565
23664
33664
43664
53664
63664
73565
83565
93565
103664
113664
123664
133763
143763
153664
163664
173565
183565
193565
203466
213367
223367
233367
243169
253169
263070
273070
283070
293070
303070

Chance of precipitation in April

Any precipitation

Amami gets around 158 mm of rain over 13.2 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
144
244
344
445
545
645
746
846
946
1046
1146
1246
1346
1446
1546
1646
1745
1845
1944
2044
2143
2243
2342
2442
2542
2641
2741
2841
2941
3041

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 32% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1472119121
2472119121
3462120131
4452220131
5442220141
6432220141
7412220152
8402220152
9392321162
10382321162
11362322172
12352322182
13332323182
14322323193
15302324203
16292324203
17282324214
18282324214
19272324214
20262324225
21262324226
22252224236
23252224237
24242223238
25232123249
262321232410
272220232411
282220222411
292120222512
302020222513

Wind in April

Winds average 22 km/h in April.

Across April, daily wind ranges from about 20 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2920breezy
3020breezy

Sunrise & sunset in April

DaylightNight

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

Days grow by about 42 minutes over April. Sunrise moves from 6:19 AM to 5:48 AM, and sunset from 6:34 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:196:34
212.36:186:35
312.36:176:35
412.36:166:36
512.46:146:36
612.46:136:37
712.46:126:38
812.56:116:38
912.56:106:39
1012.56:096:39
1112.56:076:40
1212.66:066:40
1312.66:056:41
1412.66:046:41
1512.76:036:42
1612.76:026:43
1712.76:016:43
1812.76:006:44
1912.85:596:44
2012.85:586:45
2112.85:576:45
2212.85:566:46
2312.95:556:47
2412.95:546:47
2512.95:536:48
2612.95:526:48
2713.05:516:49
2813.05:506:50
2913.05:496:50
3013.05:486:51

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.82 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 6.23 kWh/m² in July across the year — April's 4.82 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in April

Hazard calendar for Amami

In seasonPeak

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

Amami 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 Amami?

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

5.8
Sightseeing
4th-best month of the year
3.5
Beach & pool
8th-best month of the year

April is a reasonable time to visit Amami for sightseeing.

What to pack for Amami in April

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

In April, Amami sees daytime highs around 21°C and nights near 19°C. Worth packing: rain gear, sun protection and a windbreaker. About 13 days see rain.

rain gearsun protectiona windbreaker

Sea temperature near Amami in April

The nearest coast averages about 22°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 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb21Refreshing
Mar21Refreshing
Apr22Refreshing
May24Refreshing
Jun26Warm
Jul28Tropical
Aug29Tropical
Sep28Tropical
Oct27Warm
Nov25Warm
Dec23Refreshing

UV index in Amami 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 Amami peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 14UV 11Jan 10UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar8Very high
Apr9Very high
May9Very high
Jun11Extreme
Jul12Extreme
Aug10Extreme
Sep10Extreme
Oct7Very high
Nov6High
Dec4Moderate

Air quality in Amami 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 Amami is worst in April — around 17 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1017 µg/m³Jul 178 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar17Moderate
Apr17Moderate
May14Moderate
Jun9Good
Jul8Good
Aug9Good
Sep9Good
Oct9Good
Nov10Good
Dec10Good
Location & terrain

Where is Amami?

Amami sits at 28.4°N, 129.5°E, 21 m above sea level, in Japan. The nearest listed city is Naze, 2.0 km away.

TsuhaNagoYakushimaIshikawaUrumaGushikawaKatsuren-haebaru

Topography around Amami

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

Within 3 km, the terrain around Amami has significant variations in elevation — a maximum elevation change of 376 m around an average of 130 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 517 m; within 80 km, large variations in elevation — a maximum elevation change of 682 m.

The land around Amami is covered by trees (82%) within 3 km, water (59%) and trees (39%) within 16 km, and water (95%) within 80 km.

3 km
376 m
16 km
517 m
80 km
682 m
treesartificial surfaceswater
April weather nearby: Naze 2.0 km · Tsuha 236 km · Nago 246 km · Yakushima 250 km · Ishikawa 273 km · Uruma 275 km · Gushikawa 276 km · Katsuren-haebaru 278 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 Amami (28.3769°, 129.4938°, elevation 21 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).