Sado weather in April

In April, Sado sees average daytime highs of 14°C and overnight lows near 8°C, with 91 mm of precipitation across 12.1 wet days and about 13 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 16°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 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Sado's 3rd-clearest and 6th-windiest month. For the whole year in context, see Sado's year-round climate.

Daytime high
14°
7th warmest
Overnight low
5th coldest
Precipitation
91 mm
12.1 wet days
Daylight
13 hours
5:17 AM – 6:16 PM
Cloud cover
60%
3rd clearest
Wind
14 km/h
6th windiest
Solar energy
5.38 kWh/m²
Travel score
3.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 16°C by the end.

A typical April day in Sado reaches about 14°C in the afternoon and slips back to 8°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 18°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)
1116
2116
3116
4127
5127
6127
7127
8127
9137
10138
11138
12138
13138
14138
15148
16148
17149
18149
19149
20159
21159
22159
231510
241510
251610
261610
271610
281610
291611
301611

How April really feels in Sado

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.

Sado weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 12920.910.59.70.2
Feb / 9117.28.410.50.3
Mar / 10116.63.611.71.5
Apr14° / 9112.10.2133.8
May19° / 13°93110145.9
Jun23° / 18°12610014.66.5
Jul27° / 22°20514.6014.45.6
Aug29° / 24°14511.5013.55.4
Sep25° / 21°14112.2012.36.2
Oct20° / 15°12912.20115.9
Nov14° / 12916.10.19.93.4
Dec / 15121.55.69.41.1

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 16% of April, with mostly cloudy or overcast conditions the remaining 53%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34555
44654
54654
64753
74654
84753
94753
104753
114753
124852
134852
144753
154654
164654
174654
184654
194753
204852
214753
224753
234753
244753
254753
264753
274753
284753
294654
304654

Chance of precipitation in April

Any precipitationSnow

Sado gets around 91 mm of rain and snow over 12.1 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 41% and peaks near 47% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
1474
2463
3463
4463
5452
6452
7441
8441
9431
10431
11421
12420
13410
14410
15410
16400
17400
18390
19390
20380
21380
22380
23380
24380
25380
26370
27370
28370
29370
30370

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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22982
23982
24982
25973
26964
27964
28955
29946
30937

Wind in April

Winds average 14 km/h in April.

Across April, daily wind ranges from about 13 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light 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
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 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 5:40 AM to 4:58 AM, and sunset from 6:02 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:406:02
212.45:396:03
312.55:376:04
412.55:356:05
512.55:346:06
612.65:326:07
712.65:316:08
812.75:296:09
912.75:286:10
1012.75:266:11
1112.85:256:12
1212.85:236:13
1312.95:226:13
1412.95:206:14
1512.95:196:15
1613.05:176:16
1713.05:166:17
1813.15:146:18
1913.15:136:19
2013.15:126:20
2113.25:106:21
2213.25:096:22
2313.35:076:23
2413.35:066:24
2513.35:056:25
2613.45:036:26
2713.45:026:27
2813.45:016:28
2913.55:006:29
3013.54:586:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.38 kWh/m².

For context, solar energy here swings from a low near 1.78 kWh/m² to a high of 5.93 kWh/m² in May across the year — April's 5.38 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Hazard calendar for Sado

In seasonPeak

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

Sado 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 Sado?

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

3.8
Sightseeing
7th-best month of the year
0.2
Beach & pool
8th-best month of the year

April is a weaker month for outdoor sightseeing in Sado.

What to pack for Sado in April

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

In April, Sado sees daytime highs around 14°C and nights near 8°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Sado in April

The nearest coast averages about 11°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 26°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 24 to Oct 29 — about 4.2 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar10Bracing
Apr11Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Cool

UV index in Sado in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sado peaks around August 14 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 14UV 9Dec 23UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Sado 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 Sado is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (September, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1120 µg/m³Sep 159 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar20Moderate
Apr21Moderate
May18Moderate
Jun13Moderate
Jul11Good
Aug9Good
Sep9Good
Oct10Good
Nov10Good
Dec11Good
Location & terrain

Where is Sado?

Sado sits at 38.0°N, 138.4°E, 27 m above sea level, in Japan. The nearest listed city is Ryōtsu-minato, 9.0 km away.

Topography around Sado

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

Within 3 km, the terrain around Sado has only modest variations in elevation — a maximum elevation change of 227 m around an average of 40 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,155 m; within 80 km, large variations in elevation — a maximum elevation change of 1,125 m.

The land around Sado is covered by cropland (52%) and trees (38%) within 3 km, trees (59%) and water (30%) within 16 km, and water (78%) within 80 km.

3 km
227 m
16 km
1,155 m
80 km
1,125 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Ryōtsu-minato 9.0 km · Maki 55 km · Yoshida-kasugachō 60 km · Niigata 61 km · Tsubame 64 km · Shirone 65 km · Kameda-honchō 68 km · Sanjō 69 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 Sado (38.025°, 138.3593°, elevation 27 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).