Shin’ichi weather in May

In May, Shin’ichi sees average daytime highs of 24°C and overnight lows near 15°C, with 124 mm of rain across 10 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 29% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Shin’ichi's 10th-clearest and 9th-windiest month. For the whole year in context, see Shin’ichi's year-round climate.

Daytime high
24°
5th warmest
Overnight low
15°
8th coldest
Rainfall
124 mm
10 wet days
Daylight
13 h 48 min
5:09 AM – 6:57 PM
Cloud cover
63%
10th clearest
Wind
9 km/h
9th windiest
Solar energy
5.52 kWh/m²
Travel score
6.8
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 25°C by the end.

A typical May day in Shin’ichi reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, May runs about 5°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52214
62314
72314
82314
92314
102314
112314
122315
132315
142415
152415
162415
172415
182415
192415
202416
212416
222416
232516
242516
252516
262516
272517
282517
292517
302517
312517

How May really feels in Shin’ichi

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.

Shin’ichi weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 435.70.79.92.3
Feb11° / 5371.110.72.6
Mar14° / 929.70.411.74.1
Apr19° / 10°1079.6012.86.1
May24° / 15°12410013.86.8
Jun26° / 20°18212014.35.9
Jul30° / 24°18913.6014.14.3
Aug32° / 25°10710.9013.33.8
Sep28° / 21°14510.7012.25.6
Oct23° / 15°1057.3011.17.3
Nov17° / 556.1010.26.1
Dec12° / 475.60.29.73.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44555
54555
64456
74456
84357
94357
104258
114258
124159
134159
144258
154258
164357
174357
184357
194357
204357
214357
224258
234258
244258
254159
264159
274060
283961
293763
303763
313664

Chance of precipitation in May

Any precipitation

Shin’ichi gets around 124 mm of rain over 10 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
331
431
532
632
733
833
934
1034
1134
1234
1334
1434
1533
1633
1732
1832
1931
2031
2131
2231
2331
2430
2530
2630
2730
2830
2930
3030
3130

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1741871
2731881
3711982
4711982
5692092
6682192
7682192
8662293
96522103
106423103
116423103
126324103
136324103
146225103
156126103
166027103
175927113
185828113
195629123
205629123
215430133
225231143
235131153
244932163
254733173
264534183
274335193
284036204
293836224
303637235
313337245

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:23 AM to 5:01 AM, and sunset from 6:45 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:236:45
213.45:226:46
313.45:216:47
413.55:206:48
513.55:196:48
613.55:186:49
713.65:176:50
813.65:166:51
913.65:156:52
1013.65:146:52
1113.75:136:53
1213.75:126:54
1313.75:126:55
1413.75:116:56
1513.85:106:56
1613.85:096:57
1713.85:086:58
1813.85:086:59
1913.95:076:59
2013.95:067:00
2113.95:067:01
2213.95:057:02
2314.05:047:02
2414.05:047:03
2514.05:037:04
2614.05:037:05
2714.05:027:05
2814.15:027:06
2914.15:017:07
3014.15:017:07
3114.15:017:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.52 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.26 kWh/m² to a high of 5.52 kWh/m² in May across the year — May's 5.52 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
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
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Shin’ichi

In seasonPeak

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

Shin’ichi 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 Shin’ichi?

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

6.8
Sightseeing
2nd-best month of the year
5.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Shin’ichi for sightseeing.

What to pack for Shin’ichi in May

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

In May, Shin’ichi sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Shin’ichi in May

The nearest coast averages about 18°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 22 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 3 to Nov 12 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep27Warm
Oct23Refreshing
Nov20Cool
Dec16Cool

UV index in Shin’ichi in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shin’ichi peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 15UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shin’ichi 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 Shin’ichi is worst in April — around 24 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1324 µg/m³Dec 1414 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May22Moderate
Jun20Moderate
Jul17Moderate
Aug17Moderate
Sep16Moderate
Oct14Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Shin’ichi?

Shin’ichi sits at 34.6°N, 133.3°E, 23 m above sea level, in Japan. The nearest listed city is Fuchūchō, 4.0 km away.

Topography around Shin’ichi

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

Within 3 km, the terrain around Shin’ichi has only modest variations in elevation — a maximum elevation change of 215 m around an average of 68 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 740 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,845 m.

The land around Shin’ichi is covered by trees (55%) and artificial surfaces (33%) within 3 km, trees (75%) within 16 km, and trees (66%) and water (22%) within 80 km.

3 km
215 m
16 km
740 m
80 km
1,845 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Fuchūchō 4.0 km · Fukuyama 12 km · Kannabechō-yahiro 13 km · Onomichi 17 km · Ibara 18 km · Kōzan 21 km · Kasaoka 22 km · Mihara 25 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 Shin’ichi (34.5554°, 133.273°, elevation 23 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).