Sado weather in May

In May, Sado sees average daytime highs of 19°C and overnight lows near 13°C, with 93 mm of rain across 11 wet days and about 14 hours of daylight. It is the 6th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 21°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Sado's 4th-clearest and 9th-windiest month. For the whole year in context, see Sado's year-round climate.

Daytime high
19°
6th warmest
Overnight low
13°
7th coldest
Rainfall
93 mm
11 wet days
Daylight
14 hours
4:41 AM – 6:44 PM
Cloud cover
61%
4th clearest
Wind
12 km/h
9th windiest
Solar energy
5.93 kWh/m²
Travel score
5.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 21°C by the end.

A typical May day in Sado reaches about 19°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 23°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11711
21711
31711
41711
51712
61712
71812
81812
91812
101812
111813
121813
131813
141913
151913
161913
171913
181914
191914
202014
212014
222014
232014
242015
252015
262115
272115
282115
292115
302116
312116

How May really feels in Sado

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 6th-warmest and 10th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34555
44555
54555
64555
74456
84357
94357
104456
114456
124357
134357
144456
154357
164456
174456
184456
194555
204456
214555
224654
234654
244654
254654
264654
274654
284753
294753
304654
314654

Chance of precipitation in May

Any precipitation

Sado gets around 93 mm of rain over 11 wet days in May. 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 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
438
538
638
738
838
938
1038
1138
1238
1338
1438
1537
1637
1737
1836
1935
2035
2134
2233
2332
2432
2531
2630
2729
2829
2928
3027
3127

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19370
29280
39091
489101
588111
687121
786131
886131
985141
1084151
1183161
1281172
1380182
1479192
1578202
1677212
1776222
1873243
1972253
2071263
2168284
2266304
2363325
2462335
2559356
2657376
2754397
2852408
2949429
30474310
31444412

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 4:57 AM to 4:31 AM, and sunset from 6:30 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.64:576:30
213.64:566:31
313.64:556:32
413.74:546:33
513.74:526:34
613.74:516:35
713.84:506:36
813.84:496:37
913.84:486:38
1013.94:476:39
1113.94:466:40
1213.94:456:41
1314.04:446:42
1414.04:436:42
1514.04:426:43
1614.04:416:44
1714.14:406:45
1814.14:406:46
1914.14:396:47
2014.24:386:48
2114.24:376:49
2214.24:376:49
2314.24:366:50
2414.34:356:51
2514.34:356:52
2614.34:346:53
2714.34:336:53
2814.44:336:54
2914.44:326:55
3014.44:326:56
3114.44:316:56

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.93 kWh/m² — the sunniest month for solar.

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 — May's 5.93 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.1Intense
236.1Intense
246.1Intense
256.2Intense
266.2Intense
276.2Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Hazard calendar for Sado

In seasonPeak

In May, 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 May a good time to visit Sado?

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

5.9
Sightseeing
3rd-best month of the year
2.5
Beach & pool
6th-best month of the year

May is a reasonable time to visit Sado for sightseeing.

What to pack for Sado in May

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

In May, Sado sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Sado in May

The nearest coast averages about 14°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).