Nishinoomote weather in May

In May, Nishinoomote sees average daytime highs of 22°C and overnight lows near 21°C, with 203 mm of rain across 12.3 wet days and about 13.5 hours of daylight. It is the 6th-warmest and 3rd-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 23% 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 48 min by month's end. Set against the rest of the year, May is Nishinoomote's 11th-clearest and 10th-windiest month. For the whole year in context, see Nishinoomote's year-round climate.

Daytime high
22°
6th warmest
Overnight low
21°
7th coldest
Rainfall
203 mm
12.3 wet days
Daylight
13 h 36 min
5:26 AM – 6:59 PM
Cloud cover
69%
11th clearest
Wind
23 km/h
10th windiest
Solar energy
5.27 kWh/m²
Travel score
6.2
out of 10

Nishinoomote is city in Kagoshima Prefecture, Japan.

Density
87/km²
people per km²
Founded
1958

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 Nishinoomote reaches about 22°C in the afternoon and slips back to 21°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 24°C. Set against its neighbours, May runs about 3°C warmer than April and about 3°C cooler than June.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12119
22119
32119
42119
52120
62220
72220
82220
92220
102220
112220
122220
132220
142220
152221
162221
172221
182321
192321
202321
212321
222321
232321
242321
252321
262321
272321
282322
292322
302322
312322

How May really feels in Nishinoomote

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.

Nishinoomote weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan14° / 11°10510.110.24.2
Feb15° / 12°11210.410.94.2
Mar17° / 14°17814.311.84.9
Apr20° / 17°1871212.75.8
May22° / 21°20312.313.56.2
Jun25° / 23°42218.4145.2
Jul28° / 26°18112.713.85.8
Aug28° / 27°13813.913.15.4
Sep27° / 26°2131512.25.8
Oct24° / 22°15511.711.26.8
Nov21° / 18°13010.710.46.3
Dec17° / 14°969.2105.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 67%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43763
53664
63664
73664
83565
93466
103466
113466
123367
133367
143367
153367
163268
173268
183268
193268
203169
213169
223169
233169
243070
253070
263070
272971
282971
292872
302872
312674

Chance of precipitation in May

Any precipitation

Nishinoomote gets around 203 mm of rain over 12.3 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 40% and peaks near 45% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
137
237
337
437
537
637
738
838
938
1038
1139
1239
1339
1439
1539
1639
1739
1840
1940
2040
2140
2241
2341
2441
2542
2642
2742
2843
2943
3044
3145

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 33% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1282627163
2272627173
3252628184
4232629184
5212629194
6202630205
7182630215
8172630215
9162631226
10152631236
11142532236
12132532237
13122533247
14112533247
15102434247
16102434258
1792335268
1882235268
1982235278
2072136279
2162036289
22619372910
23518372910
24417373011
25416383112
26315383212
27314373313
28212383513
29211373614
30210363715
3119353816

Wind in May

Winds average 23 km/h in May.

Across May, daily wind ranges from about 23 km/h on the calmest days to 24 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202531
Wind speed (km/h)Feels
124breezy
224breezy
324breezy
424breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1223breezy
1323breezy
1423breezy
1523breezy
1623breezy
1723breezy
1823breezy
1923breezy
2023breezy
2123breezy
2223breezy
2323breezy
2423breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy
3123breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 12 min at the start of May to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 36 minutes over May. Sunrise moves from 5:38 AM to 5:19 AM, and sunset from 6:49 PM to 7:08 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:386:49
213.25:376:49
313.25:366:50
413.35:356:51
513.35:346:51
613.35:336:52
713.35:326:53
813.45:326:53
913.45:316:54
1013.45:306:55
1113.45:296:55
1213.55:296:56
1313.55:286:57
1413.55:276:57
1513.55:266:58
1613.65:266:59
1713.65:256:59
1813.65:247:00
1913.65:247:01
2013.65:237:01
2113.75:237:02
2213.75:227:03
2313.75:227:03
2413.75:217:04
2513.75:217:05
2613.75:207:05
2713.85:207:06
2813.85:207:06
2913.85:197:07
3013.85:197:08
3113.85:197:08

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.79 kWh/m² in July across the year — May's 5.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Nishinoomote

In seasonPeak

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

Nishinoomote 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 Nishinoomote?

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

6.2
Sightseeing
3rd-best month of the year
4.5
Beach & pool
6th-best month of the year

May is a reasonable time to visit Nishinoomote for sightseeing.

What to pack for Nishinoomote in May

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

In May, Nishinoomote sees daytime highs around 22°C and nights near 21°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 12 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Nishinoomote in May

The nearest coast averages about 23°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 17 km away) is warmest in August at about 29°C and coldest in February near 19°C.

It's comfortable for a long swim from Mar 22 to Jan 20 — about 10 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Refreshing
Feb19Cool
Mar20Cool
Apr21Refreshing
May23Refreshing
Jun25Warm
Jul27Warm
Aug29Tropical
Sep28Warm
Oct26Warm
Nov24Warm
Dec22Refreshing

UV index in Nishinoomote 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 Nishinoomote peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 4 (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 10UV 4
UV index (midday)Level
Jan4Moderate
Feb5High
Mar7High
Apr9Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Extreme
Oct7High
Nov5Moderate
Dec4Moderate

Air quality in Nishinoomote 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 Nishinoomote is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (July, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1319 µg/m³Jul 209 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb16Moderate
Mar18Moderate
Apr19Moderate
May17Moderate
Jun13Moderate
Jul9Good
Aug10Good
Sep9Good
Oct10Good
Nov10Good
Dec10Good
Location & terrain

Where is Nishinoomote?

Nishinoomote sits at 30.7°N, 131.0°E, 38 m above sea level, in Japan. The nearest listed city is Yakushima, 51 km away.

Topography around Nishinoomote

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

Within 3 km, the terrain around Nishinoomote has only modest variations in elevation — a maximum elevation change of 164 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 286 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,893 m.

The land around Nishinoomote is covered by trees (50%) and water (33%) within 3 km, water (72%) and trees (24%) within 16 km, and water (85%) within 80 km.

3 km
164 m
16 km
286 m
80 km
1,893 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Yakushima 51 km · Ibusuki 65 km · Kanoya 74 km · Shibushi 83 km · Minamikyushu 86 km · Kushima 87 km · Makurazaki 88 km · Tarumizu 88 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 Nishinoomote (30.7333°, 131°, elevation 38 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).