Shintomi weather in May

In May, Shintomi sees average daytime highs of 22°C and overnight lows near 18°C, with 200 mm of rain across 12.6 wet days and about 13.6 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 23°C by the end. The sky is clear or mostly clear about 25% of the time in May, and the air most often feels humid.

Daylight stretches from about 13 h 12 min at the start of May to 13 h 54 min by month's end. Set against the rest of the year, May is Shintomi's 10th-clearest and 12th-windiest month. For the whole year in context, see Shintomi's year-round climate.

Daytime high
22°
6th warmest
Overnight low
18°
7th coldest
Rainfall
200 mm
12.6 wet days
Daylight
13 h 36 min
5:21 AM – 6:59 PM
Cloud cover
68%
10th clearest
Wind
12 km/h
12th windiest
Solar energy
5.1 kWh/m²
Travel score
6.1
out of 10

Shintomi is town in Koyu district, Miyazaki prefecture, Japan.

Density
268/km²
people per km²
Founded
1959

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 21°C in the first days to 23°C by the end.

A typical May day in Shintomi reaches about 22°C in the afternoon and slips back to 18°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12116
22116
32117
42117
52117
62117
72117
82117
92117
102218
112218
122218
132218
142218
152218
162218
172218
182218
192219
202219
212219
222219
232319
242319
252319
262319
272319
282319
292320
302320
312320

How May really feels in Shintomi

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.

Shintomi weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 79710.13.6
Feb13° / 988.110.83.7
Mar15° / 11°15412.211.84.6
Apr19° / 14°17511.712.85.7
May22° / 18°20012.613.66.1
Jun25° / 22°38717.614.15.3
Jul28° / 25°22414.113.95.3
Aug29° / 26°21015.613.24.9
Sep27° / 24°26815.412.25.7
Oct23° / 20°17410.511.26.9
Nov19° / 15°1088.510.46.4
Dec14° / 10°806.39.94.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54159
64060
73961
83862
93862
103862
113763
123763
133763
143763
153763
163763
173664
183664
193565
203565
213466
223565
233466
243466
253466
263367
273268
283070
293169
303070
312971

Chance of precipitation in May

Any precipitation

Shintomi gets around 200 mm of rain over 12.6 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 41% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
139
239
339
440
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1939
2040
2140
2240
2340
2441
2541
2642
2742
2843
2944
3045
3146

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
134342390
2323424100
3303426100
4283327110
5273329120
6253230130
7243231130
8223132140
9213133150
10203134150
11193035160
12183036160
13173037170
14162938170
15152939170
16142840180
17132840191
18122741191
19112642201
20102642211
2192543221
2282443232
2372443242
2472344252
2562244262
2652144272
2751945293
2841844313
2931744323
3031644344
3131443364

Wind in May

Winds average 12 km/h in May, the calmest month.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 54 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 5:34 AM to 5:14 AM, and sunset from 6:49 PM to 7:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:346:49
213.35:336:49
313.35:326:50
413.35:316:51
513.45:306:51
613.45:296:52
713.45:286:53
813.45:276:54
913.55:276:54
1013.55:266:55
1113.55:256:56
1213.55:246:56
1313.65:236:57
1413.65:236:58
1513.65:226:59
1613.65:216:59
1713.75:217:00
1813.75:207:01
1913.75:197:01
2013.75:197:02
2113.75:187:03
2213.85:187:03
2313.85:177:04
2413.85:177:05
2513.85:167:05
2613.85:167:06
2713.95:157:07
2813.95:157:07
2913.95:147:08
3013.95:147:09
3113.95:147:09

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.1 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 5.12 kWh/m² in July across the year — May's 5.1 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
284.9Bright
294.9Bright
304.8Bright
314.8Bright
Planning a trip in May

Hazard calendar for Shintomi

In seasonPeak

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

Shintomi sits in the Pacific typhoon belt; the season peaks July–October.

Shintomi's rainy season runs April–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Shintomi?

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

6.1
Sightseeing
3rd-best month of the year
4.2
Beach & pool
6th-best month of the year

May is a reasonable time to visit Shintomi for sightseeing.

What to pack for Shintomi in May

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

In May, Shintomi sees daytime highs around 22°C and nights near 18°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Shintomi in May

The nearest coast averages about 22°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 15 km away) is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 22 to Jan 1 — about 8.4 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr20Cool
May22Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Shintomi in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Shintomi peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2025 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr23Moderate
May22Moderate
Jun18Moderate
Jul14Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Shintomi?

Shintomi sits at 32.1°N, 131.5°E, 4 m above sea level, in Japan. The nearest listed city is Takanabe, 8.0 km away.

Topography around Shintomi

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

Within 3 km, the terrain around Shintomi has only modest variations in elevation — a maximum elevation change of 76 m around an average of 17 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 515 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Shintomi is covered by cropland (32%) and trees (25%) within 3 km, water (42%) and trees (28%) within 16 km, and trees (61%) and water (31%) within 80 km.

3 km
76 m
16 km
515 m
80 km
1,714 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Takanabe 8.0 km · Saito 8.0 km · Tsuma 9.0 km · Kawaminami 14 km · Honjō 17 km · Miyazaki 18 km · Hyūga 43 km · Kadogawa 48 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 Shintomi (32.0632°, 131.4869°, elevation 4 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).