Sakuradai weather in April

In April, Sakuradai sees average daytime highs of 18°C and overnight lows near 10°C, with 113 mm of rain across 11.4 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 32% 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 Sakuradai's 7th-clearest and 1st-windiest month. For the whole year in context, see Sakuradai's year-round climate.

Daytime high
18°
7th warmest
Overnight low
10°
6th coldest
Rainfall
113 mm
11.4 wet days
Daylight
12 h 54 min
5:14 AM – 6:09 PM
Cloud cover
61%
7th clearest
Wind
14 km/h
1st windiest
Solar energy
4.79 kWh/m²
Travel score
5.5
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 20°C by the end.

A typical April day in Sakuradai reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°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)
1167
2168
3168
4168
5168
6168
7179
8179
9179
10179
11179
121710
131810
141810
151810
161810
171811
181811
191911
201911
211911
221912
231912
242012
252012
262012
272012
282013
292013
302113

How April really feels in Sakuradai

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.

Sakuradai 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 / 676.91.29.92.1
Feb10° / 627.51.510.62.4
Mar13° / 11311.60.811.73.7
Apr18° / 10°11311.4012.95.5
May23° / 15°12911.8013.96.4
Jun25° / 19°15913.6014.45.8
Jul29° / 23°14912.9014.24.9
Aug31° / 25°11010.8013.44.5
Sep27° / 21°18013.6012.25.6
Oct21° / 15°20912.9011.16.1
Nov16° / 919.8010.15.3
Dec12° / 597.50.29.63.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54852
64852
74852
84852
94753
104654
114654
124654
134456
144456
154456
164258
174258
184258
194357
204357
214357
224357
234357
244357
254357
264357
274456
284456
294357
304357

Chance of precipitation in April

Any precipitation

Sakuradai gets around 113 mm of rain over 11.4 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
439
539
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1739
1839
1939
2038
2138
2237
2337
2436
2536
2635
2735
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 86% 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
397300
496400
596400
696400
795500
895500
994510
1093610
1193610
1292710
1392710
1491810
1590820
1689920
17881020
18871120
19851221
20841321
21821431
22811531
23791731
24771841
25752041
26732151
27722251
28692461
29682561
30662671

Wind in April

Winds average 14 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 5:36 AM to 4:57 AM, and sunset from 5:56 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:365:56
212.45:345:57
312.45:335:58
412.55:315:59
512.55:305:59
612.55:296:00
712.65:276:01
812.65:266:02
912.65:246:03
1012.75:236:04
1112.75:216:05
1212.85:206:05
1312.85:196:06
1412.85:176:07
1512.95:166:08
1612.95:146:09
1712.95:136:10
1813.05:126:10
1913.05:106:11
2013.05:096:12
2113.15:086:13
2213.15:076:14
2313.25:056:15
2413.25:046:15
2513.25:036:16
2613.35:026:17
2713.35:006:18
2813.34:596:19
2913.44:586:20
3013.44:576:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.79 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.07 kWh/m² in May across the year — April's 4.79 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
244.9Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.1Bright
305.1Bright
Planning a trip in April

Hazard calendar for Sakuradai

In seasonPeak

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

Sakuradai 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 Sakuradai?

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

5.5
Sightseeing
5th-best month of the year
1.9
Beach & pool
7th-best month of the year

April is a reasonable time to visit Sakuradai for sightseeing.

What to pack for Sakuradai in April

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

In April, Sakuradai sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Sakuradai 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 23 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Sakuradai 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 Sakuradai peaks around July 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 20UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Sakuradai 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 Sakuradai is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Sakuradai?

Sakuradai sits at 35.7°N, 139.7°E, 39 m above sea level, in Japan. The nearest listed city is Nukui, 3.0 km away.

Topography around Sakuradai

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

Within 3 km, the terrain around Sakuradai has only modest variations in elevation — a maximum elevation change of 32 m around an average of 38 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 89 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,132 m.

The land around Sakuradai is covered by artificial surfaces (95%) within 3 km, artificial surfaces (85%) within 16 km, and trees (40%) and artificial surfaces (27%) within 80 km.

3 km
32 m
16 km
89 m
80 km
2,132 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Nukui 3.0 km · Nagasaki 3.0 km · Saginomiya 3.0 km · Hikarigaoka 3.0 km · Akatsuka 4.0 km · Asagayakita 4.0 km · Ikebukuro 4.0 km · Shimoigusa 4.0 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 Sakuradai (35.7441°, 139.6607°, elevation 39 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).