Amagi weather in April

In April, Amagi sees average daytime highs of 20°C and overnight lows near 10°C, with 127 mm of rain across 11.1 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°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 Amagi's 4th-clearest and 4th-windiest month. For the whole year in context, see Amagi's year-round climate.

Daytime high
20°
7th warmest
Overnight low
10°
6th coldest
Rainfall
127 mm
11.1 wet days
Daylight
12 h 48 min
5:53 AM – 6:42 PM
Cloud cover
62%
4th clearest
Wind
8 km/h
4th windiest
Solar energy
5.01 kWh/m²
Travel score
6.0
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 22°C by the end.

A typical April day in Amagi reaches about 20°C in the afternoon and slips back to 10°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°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)
1177
2178
3188
4188
5188
6188
7188
8199
9199
10199
11199
12199
13199
142010
152010
162010
172010
182010
192110
202111
212111
222111
232111
242111
252211
262212
272212
282212
292212
302212

How April really feels in Amagi

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.

Amagi weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 598.61.6102.1
Feb11° / 6991.210.82.6
Mar15° / 11311.60.211.74.2
Apr20° / 10°12711.1012.86.0
May24° / 15°14410.5013.76.6
Jun27° / 19°30315.7014.25.3
Jul30° / 23°26416.90143.9
Aug32° / 24°15114.4013.23.7
Sep28° / 20°16612.7012.25.5
Oct23° / 14°988011.27.2
Nov17° / 808.1010.35.8
Dec12° / 638.40.69.83.2

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 13% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34456
44357
54357
64357
74357
84357
94258
104258
114258
124159
134258
144258
154258
164357
174357
184357
194456
204456
214555
224456
234555
244555
254555
264654
274555
284555
294555
304456

Chance of precipitation in April

Any precipitation

Amagi gets around 127 mm of rain over 11.1 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 37% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
436
536
636
736
836
936
1036
1137
1237
1337
1438
1538
1638
1738
1838
1938
2038
2138
2238
2337
2437
2537
2636
2736
2835
2935
3035

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 (%)
191720
291720
389830
489830
588930
688930
7871030
8871030
9861040
10851140
11851140
12851140
13841240
14841240
15821341
16811351
17811351
18801451
19801451
20791551
21771661
22771661
23751762
24731872
25721972
26702082
27682192
28672193
296522103
306522103

Wind in April

Winds average 8 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
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
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 6:13 AM to 5:36 AM, and sunset from 6:31 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:136:31
212.36:116:32
312.46:106:33
412.46:096:34
512.56:076:34
612.56:066:35
712.56:056:36
812.66:036:37
912.66:026:37
1012.66:016:38
1112.75:596:39
1212.75:586:39
1312.75:576:40
1412.85:556:41
1512.85:546:42
1612.85:536:42
1712.95:516:43
1812.95:506:44
1912.95:496:45
2013.05:486:45
2113.05:476:46
2213.05:456:47
2313.15:446:48
2413.15:436:49
2513.15:426:49
2613.25:416:50
2713.25:406:51
2813.25:386:52
2913.25:376:52
3013.35:366:53

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.01 kWh/m².

For context, solar energy here swings from a low near 2.19 kWh/m² to a high of 5.34 kWh/m² in May across the year — April's 5.01 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Hazard calendar for Amagi

In seasonPeak

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

Amagi sits in the Pacific typhoon belt; the season peaks July–October.

Amagi's rainy season runs May–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Amagi?

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

6.0
Sightseeing
3rd-best month of the year
3.1
Beach & pool
7th-best month of the year

April is a reasonable time to visit Amagi for sightseeing.

What to pack for Amagi in April

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

In April, Amagi sees daytime highs around 20°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Amagi in April

The nearest coast averages about 16°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 42 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 May 27 to Nov 12 — about 5.6 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Amagi in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amagi peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highModerateJul 17UV 9Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Amagi 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 Amagi is worst in April — around 25 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1225 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun18Moderate
Jul13Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Amagi?

Amagi sits at 33.4°N, 130.7°E, 38 m above sea level, in Japan. The nearest listed city is Yamaguma, 4.0 km away.

Topography around Amagi

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

Within 3 km, the terrain around Amagi has significant variations in elevation — a maximum elevation change of 286 m around an average of 48 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 969 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,796 m.

The land around Amagi is covered by cropland (40%) and artificial surfaces (39%) within 3 km, trees (55%) and cropland (22%) within 16 km, and trees (47%) and water (32%) within 80 km.

3 km
286 m
16 km
969 m
80 km
1,796 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Yamaguma 4.0 km · Tachiarai 4.0 km · Asakura 6.0 km · Tanushimarumachi-toyoki 8.0 km · Ogōri 10 km · Ukiha 11 km · Tosu 14 km · Sonobe 14 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 Amagi (33.418°, 130.6541°, elevation 38 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).