Yashiro weather in April

In April, Yashiro sees average daytime highs of 18°C and overnight lows near 9°C, with 117 mm of rain across 10.6 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 21°C by the end. The sky is clear or mostly clear about 28% 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 Yashiro's 6th-clearest and 2nd-windiest month. For the whole year in context, see Yashiro's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Rainfall
117 mm
10.6 wet days
Daylight
12 h 54 min
5:34 AM – 6:27 PM
Cloud cover
62%
6th clearest
Wind
11 km/h
2nd windiest
Solar energy
5.19 kWh/m²
Travel score
5.7
out of 10

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 21°C by the end.

A typical April day in Yashiro reaches about 18°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°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
2166
3166
4166
5166
6177
7177
8177
9177
10177
11188
12188
13188
14188
15188
16199
17199
18199
19199
20199
211910
222010
232010
242010
252010
262011
272011
282111
292111
302111

How April really feels in Yashiro

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.

Yashiro 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 / 506.51.29.91.6
Feb / 607.61.510.72.0
Mar13° / 10610.70.211.73.5
Apr18° / 11710.6012.95.7
May23° / 14°13810.5013.86.6
Jun26° / 19°16912.9014.35.8
Jul30° / 23°19714.7014.14.4
Aug32° / 24°12111.9013.34.0
Sep28° / 20°19411.9012.25.8
Oct22° / 13°1408.8011.16.9
Nov16° / 716.3010.25.6
Dec11° / 596.50.49.72.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54456
64456
74456
84456
94555
104555
114555
124555
134456
144456
154357
164258
174258
184258
194258
204258
214159
224258
234258
244357
254456
264357
274357
284456
294456
304456

Chance of precipitation in April

Any precipitation

Yashiro gets around 117 mm of rain over 10.6 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 35% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
334
434
534
634
734
834
935
1035
1135
1235
1335
1435
1536
1636
1736
1836
1936
2036
2135
2235
2335
2435
2534
2634
2734
2834
2934
3034

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
296400
396400
495500
595500
695500
794600
894600
993610
1093610
1192710
1292710
1392710
1492710
1590820
1690820
1790820
1890820
1988930
2088930
21871030
22861130
23851230
24831340
25821440
26811540
27781651
28771751
29761761
30751861

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 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
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 5:55 AM to 5:17 AM, and sunset from 6:15 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:556:15
212.45:546:15
312.45:526:16
412.45:516:17
512.55:496:18
612.55:486:19
712.65:466:19
812.65:456:20
912.65:446:21
1012.75:426:22
1112.75:416:23
1212.75:396:23
1312.85:386:24
1412.85:376:25
1512.85:356:26
1612.95:346:27
1712.95:336:27
1812.95:316:28
1913.05:306:29
2013.05:296:30
2113.15:286:31
2213.15:266:32
2313.15:256:32
2413.25:246:33
2513.25:236:34
2613.25:216:35
2713.35:206:36
2813.35:196:36
2913.35:186:37
3013.45:176:38

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 2.32 kWh/m² to a high of 5.56 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
14.8Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
Planning a trip in April

Hazard calendar for Yashiro

In seasonPeak

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

Yashiro 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 Yashiro?

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

5.7
Sightseeing
5th-best month of the year
2.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Yashiro for sightseeing.

What to pack for Yashiro in April

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

In April, Yashiro 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 Yashiro 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 at the nearest coast (about 33 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 Jun 6 to Nov 13 — about 5.3 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
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Yashiro 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 Yashiro peaks around July 12 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 12UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Yashiro 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 Yashiro is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Yashiro?

Yashiro sits at 34.9°N, 135.0°E, 67 m above sea level, in Japan. The nearest listed city is Katō, 5.0 km away.

Topography around Yashiro

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

Within 3 km, the terrain around Yashiro has only modest variations in elevation — a maximum elevation change of 101 m around an average of 67 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 689 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,489 m.

The land around Yashiro is covered by cropland (40%), artificial surfaces (28%) and trees (21%) within 3 km, trees (60%) within 16 km, and trees (60%) and water (22%) within 80 km.

3 km
101 m
16 km
689 m
80 km
1,489 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Katō 5.0 km · Nishiwaki 8.0 km · Ono 8.0 km · Kasai 11 km · Miki 13 km · Kajiya 17 km · Nishitawara 19 km · Inami 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 Yashiro (34.9167°, 134.9667°, elevation 67 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).