Yokkaichi weather in April

In April, Yokkaichi sees average daytime highs of 18°C and overnight lows near 9°C, with 134 mm of rain across 10.8 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 20°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 Yokkaichi's 7th-clearest and 4th-windiest month. For the whole year in context, see Yokkaichi's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Rainfall
134 mm
10.8 wet days
Daylight
12 h 54 min
5:27 AM – 6:20 PM
Cloud cover
60%
7th clearest
Wind
11 km/h
4th windiest
Solar energy
5.19 kWh/m²
Travel score
5.7
out of 10

Yokkaichi is city in Mie Prefecture, Japan.

Density
1,479/km²
people per km²
Founded
1897

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 16°C in the first days to 20°C by the end.

A typical April day in Yokkaichi reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1166
2167
3167
4167
5167
6177
7177
8178
9178
10178
11188
12188
13189
14189
15189
16189
17199
181910
191910
201910
211910
221910
232011
242011
252011
262011
272011
282011
292112
302112

How April really feels in Yokkaichi

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.

Yokkaichi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 616.41.19.91.7
Feb / 667.41.310.72.1
Mar13° / 11711.50.311.73.6
Apr18° / 13410.8012.95.7
May23° / 14°16111.5013.86.5
Jun26° / 19°20614.8014.35.5
Jul30° / 23°21917.6014.14.0
Aug31° / 24°15515.2013.33.9
Sep27° / 21°22514.1012.25.5
Oct22° / 14°19310.8011.16.6
Nov16° / 917.3010.25.6
Dec11° / 606.60.59.73.0

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 14% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
64951
74951
84951
94951
104852
114753
124753
134753
144753
154654
164654
174654
184456
194555
204555
214555
224555
234456
244456
254555
264555
274555
284555
294555
304555

Chance of precipitation in April

Any precipitation

Yokkaichi gets around 134 mm of rain over 10.8 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 36% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
237
337
437
536
636
736
836
936
1036
1137
1237
1337
1437
1537
1637
1737
1837
1937
2037
2137
2237
2336
2436
2536
2635
2735
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 89% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197300
297300
396400
496400
596400
695500
795500
895500
993610
1093610
1193610
1293610
1393610
1493610
1591711
1690721
1790721
1889821
1989821
2089920
21871030
22871030
23861130
24841330
25831430
26811540
27791641
28781741
29761851
30751951

Wind in April

Winds average 11 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

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 5:48 AM to 5:10 AM, and sunset from 6:08 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:486:08
212.45:476:09
312.45:456:10
412.45:446:10
512.55:436:11
612.55:416:12
712.65:406:13
812.65:386:14
912.65:376:14
1012.75:366:15
1112.75:346:16
1212.75:336:17
1312.85:316:18
1412.85:306:18
1512.85:296:19
1612.95:276:20
1712.95:266:21
1812.95:256:22
1913.05:236:23
2013.05:226:23
2113.15:216:24
2213.15:206:25
2313.15:186:26
2413.25:176:27
2513.25:166:27
2613.25:156:28
2713.35:146:29
2813.35:126:30
2913.35:116:31
3013.45:106:32

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.19 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 5.52 kWh/m² in May across the year — April's 5.19 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Yokkaichi

In seasonPeak

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

Yokkaichi 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 Yokkaichi?

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

5.7
Sightseeing
3rd-best month of the year
2.1
Beach & pool
7th-best month of the year

April is a reasonable time to visit Yokkaichi for sightseeing.

What to pack for Yokkaichi in April

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

In April, Yokkaichi sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Yokkaichi 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 offshore is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul26Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Yokkaichi 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 Yokkaichi 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 Yokkaichi 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 Yokkaichi is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Aug 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun21Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Yokkaichi?

Yokkaichi sits at 35.0°N, 136.6°E, 8 m above sea level, in Japan. The nearest listed city is Toyoda, 7.0 km away.

Topography around Yokkaichi

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

Within 3 km, the terrain around Yokkaichi has only modest variations in elevation — a maximum elevation change of 71 m around an average of 8 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 876 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,372 m.

The land around Yokkaichi is covered by artificial surfaces (79%) within 3 km, water (33%) and artificial surfaces (28%) within 16 km, and trees (53%) and water (20%) within 80 km.

3 km
71 m
16 km
876 m
80 km
1,372 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Toyoda 7.0 km · Suzuka 10 km · Komono 10 km · Kuwana 11 km · Tōin 14 km · Inabe 17 km · Yatomi 19 km · Kawage 19 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 Yokkaichi (34.9667°, 136.6167°, elevation 8 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).