Toyohama weather in April

In April, Toyohama sees average daytime highs of 17°C and overnight lows near 12°C, with 129 mm of rain across 9.9 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 38% 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 Toyohama's 8th-clearest and 5th-windiest month. For the whole year in context, see Toyohama's year-round climate.

Daytime high
17°
8th warmest
Overnight low
12°
5th coldest
Rainfall
129 mm
9.9 wet days
Daylight
12 h 54 min
5:26 AM – 6:19 PM
Cloud cover
55%
8th clearest
Wind
21 km/h
5th windiest
Solar energy
5.3 kWh/m²
Travel score
5.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 18°C by the end.

A typical April day in Toyohama reaches about 17°C in the afternoon and slips back to 12°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11510
21510
31510
41510
51510
61510
71611
81611
91611
101611
111611
121611
131612
141712
151712
161712
171712
181712
191713
201713
211713
221813
231813
241813
251813
261814
271814
281814
291814
301914

How April really feels in Toyohama

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.

Toyohama 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
Jan10° / 739.30.59.92.2
Feb10° / 769.10.410.72.4
Mar13° / 12010.5011.73.6
Apr17° / 12°1299.9012.85.3
May20° / 16°15410013.86.3
Jun24° / 21°20913.2014.36.0
Jul27° / 24°18113014.15.8
Aug29° / 26°10810.9013.35.7
Sep26° / 23°21413012.26.2
Oct22° / 18°21511.1011.16.6
Nov17° / 13°998010.25.8
Dec12° / 688.50.19.73.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% 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 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25446
35446
45446
55446
65347
75347
85347
95248
105248
115149
125149
135050
144951
154951
164951
174951
184951
194951
205050
214951
225050
235050
245050
255050
265050
275149
285149
295149
305050

Chance of precipitation in April

Any precipitation

Toyohama gets around 129 mm of rain over 9.9 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
134
234
334
434
534
634
733
833
934
1034
1134
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2234
2333
2433
2532
2632
2732
2832
2931
3031

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 81% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
195500
295500
394600
493700
593700
692800
791810
890910
9891010
10891010
11881110
12871210
13871210
14851320
15841321
16831421
17811531
18801631
19801631
20791740
21771940
22752050
23742150
24722260
25692470
26672580
27652690
286327100
296128110
305830120

Wind in April

Winds average 21 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
322breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2421breezy
2521breezy
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy

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 5:47 AM to 5:09 AM, and sunset from 6:07 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:476:07
212.45:466:07
312.45:446:08
412.45:436:09
512.55:416:10
612.55:406:11
712.55:396:11
812.65:376:12
912.65:366:13
1012.75:346:14
1112.75:336:15
1212.75:326:15
1312.85:306:16
1412.85:296:17
1512.85:286:18
1612.95:266:19
1712.95:256:19
1812.95:246:20
1913.05:226:21
2013.05:216:22
2113.05:206:23
2213.15:196:23
2313.15:176:24
2413.15:166:25
2513.25:156:26
2613.25:146:27
2713.25:136:27
2813.35:126:28
2913.35:106:29
3013.35:096:30

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.3 kWh/m².

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 5.57 kWh/m² in May across the year — April's 5.3 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Toyohama

In seasonPeak

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

Toyohama 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 Toyohama?

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

5.3
Sightseeing
8th-best month of the year
1.1
Beach & pool
8th-best month of the year

April is a reasonable time to visit Toyohama for sightseeing.

What to pack for Toyohama in April

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

In April, Toyohama sees daytime highs around 17°C and nights near 12°C. Worth packing: a warm layer, rain gear, sun protection and a windbreaker. About 10 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Toyohama 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 offshore is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from May 30 to Nov 13 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb14Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Toyohama 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 Toyohama peaks around July 10 at about 10 (very high) — 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 highModerateJul 10UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Toyohama 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 Toyohama is worst in April — around 25 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1325 µg/m³Jul 2415 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun20Moderate
Jul15Moderate
Aug15Moderate
Sep16Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Toyohama?

Toyohama sits at 34.7°N, 136.9°E, 3 m above sea level, in Japan. The nearest listed city is Minamichita, 7.0 km away.

Topography around Toyohama

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

Within 3 km, the terrain around Toyohama has only modest variations in elevation — a maximum elevation change of 113 m around an average of 25 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 128 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,297 m.

The land around Toyohama is covered by water (44%) and trees (38%) within 3 km, water (79%) within 16 km, and trees (40%) and water (36%) within 80 km.

3 km
113 m
16 km
128 m
80 km
1,297 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Minamichita 7.0 km · Ishiki 13 km · Kaminoma 13 km · Taketoyo 16 km · Handa 19 km · Hekinan 20 km · Nishio 20 km · Tokoname 21 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 Toyohama (34.7093°, 136.9342°, elevation 3 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).