Shibata weather in May

In May, Shibata sees average daytime highs of 20°C and overnight lows near 13°C, with 123 mm of rain across 13.2 wet days and about 14 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 22°C by the end. The sky is clear or mostly clear about 28% 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 Shibata's 4th-clearest and 8th-windiest month. For the whole year in context, see Shibata's year-round climate.

Daytime high
20°
5th warmest
Overnight low
13°
7th coldest
Rainfall
123 mm
13.2 wet days
Daylight
14 hours
4:38 AM – 6:40 PM
Cloud cover
64%
4th clearest
Wind
9 km/h
8th windiest
Solar energy
5.59 kWh/m²
Travel score
5.8
out of 10

Shibata is city in Niigata Prefecture, Japan.

Density
181/km²
people per km²
Founded
1947

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 18°C in the first days to 22°C by the end.

A typical May day in Shibata reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 24°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
11810
21810
31810
41811
51811
61811
71911
81911
91911
101912
111912
121912
131912
142012
152012
162013
172013
182013
192013
202013
212113
222114
232114
242114
252114
262114
272214
282214
292215
302215
312215

How May really feels in Shibata

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.

Shibata weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 21726.720.49.70.0
Feb / 14821.516.410.50.1
Mar / 14520.49.211.71.2
Apr14° / 11514.71.1133.8
May20° / 13°12313.20145.8
Jun24° / 17°15513.5014.66.1
Jul27° / 22°27418.1014.45.0
Aug29° / 23°19415.6013.54.8
Sep25° / 19°16015012.35.7
Oct19° / 13°17016.10115.3
Nov13° / 19119.71.29.92.9
Dec / 2332512.19.40.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54357
64258
74258
84159
94159
104159
114159
124060
134060
144060
154060
164159
174159
184159
194258
204357
214357
224357
234456
244456
254456
264456
274555
284555
294555
304456
314357

Chance of precipitation in May

Any precipitation

Shibata gets around 123 mm of rain over 13.2 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 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
143
243
343
443
543
643
743
844
944
1044
1144
1244
1345
1445
1545
1645
1744
1844
1944
2043
2143
2242
2341
2441
2540
2639
2739
2838
2938
3037
3137

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 69% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19181
29091
389101
488111
587121
686131
785141
883152
982162
1081172
1180182
1278202
1377212
1475223
1574233
1673243
1770264
1868275
1967285
2065296
2163307
2260328
2358339
24563410
25533611
26513712
27493813
28463915
29444016
30414118
31384220

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
318calm

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 4:53 AM to 4:28 AM, and sunset from 6:26 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.64:536:26
213.64:526:27
313.64:516:28
413.74:506:29
513.74:496:30
613.74:486:31
713.84:466:32
813.84:456:33
913.84:446:34
1013.94:436:35
1113.94:426:36
1213.94:416:37
1314.04:406:38
1414.04:396:38
1514.04:386:39
1614.04:386:40
1714.14:376:41
1814.14:366:42
1914.14:356:43
2014.24:346:44
2114.24:346:45
2214.24:336:45
2314.24:326:46
2414.34:326:47
2514.34:316:48
2614.34:306:49
2714.34:306:49
2814.34:296:50
2914.44:296:51
3014.44:286:52
3114.44:286:52

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.59 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 5.59 kWh/m² in May across the year — May's 5.59 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Shibata

In seasonPeak

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

Shibata 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 Shibata?

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

5.8
Sightseeing
2nd-best month of the year
3.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Shibata for sightseeing.

What to pack for Shibata in May

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

In May, Shibata sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Shibata in May

The nearest coast averages about 15°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in August at about 26°C and coldest in March near 9°C.

It's comfortable for a long swim from Jun 21 to Oct 29 — about 4.3 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar9Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov18Cool
Dec15Bracing

UV index in Shibata 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 Shibata peaks around August 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 13UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1421 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun15Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Shibata?

Shibata sits at 38.0°N, 139.3°E, 10 m above sea level, in Japan. The nearest listed city is Tainai, 14 km away.

Topography around Shibata

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

Within 3 km, the terrain around Shibata has only modest variations in elevation — a maximum elevation change of 76 m around an average of 12 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,413 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.

The land around Shibata is covered by artificial surfaces (45%) and cropland (38%) within 3 km, trees (42%) and cropland (28%) within 16 km, and trees (54%) and water (33%) within 80 km.

3 km
76 m
16 km
1,413 m
80 km
2,110 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Tainai 14 km · Suibara 15 km · Agano 16 km · Kameda-honchō 21 km · Niitsu-honchō 25 km · Niigata 26 km · Gosen 28 km · Muramatsu 32 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 Shibata (37.95°, 139.3333°, elevation 10 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).