Kobayashi weather in May

In May, Kobayashi sees average daytime highs of 23°C and overnight lows near 14°C, with 212 mm of rain across 12.5 wet days and about 13.6 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 24°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels dry.

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 Kobayashi's 10th-clearest and 8th-windiest month. For the whole year in context, see Kobayashi's year-round climate.

Daytime high
23°
5th warmest
Overnight low
14°
8th coldest
Rainfall
212 mm
12.5 wet days
Daylight
13 h 36 min
5:23 AM – 7:01 PM
Cloud cover
71%
10th clearest
Wind
7 km/h
8th windiest
Solar energy
4.98 kWh/m²
Travel score
6.2
out of 10

Kobayashi is city in Miyazaki Prefecture, Japan.

Density
78/km²
people per km²
Founded
2006

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 22°C in the first days to 24°C by the end.

A typical May day in Kobayashi reaches about 23°C in the afternoon and slips back to 14°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 27°C. Set against its neighbours, May runs about 4°C warmer than April and about 2°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12212
22212
32212
42212
52212
62213
72213
82313
92313
102313
112313
122313
132314
142314
152314
162314
172314
182314
192314
202314
212414
222414
232415
242415
252415
262415
272415
282415
292415
302416
312416

How May really feels in Kobayashi

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.

Kobayashi 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° / 787.30.710.12.4
Feb11° / 1018.70.510.83.0
Mar15° / 15812.70.111.84.3
Apr20° / 18312.3012.85.7
May23° / 14°21212.5013.66.2
Jun25° / 18°46420.6014.14.8
Jul29° / 22°29819.8013.94.0
Aug30° / 23°20519.1013.24.0
Sep27° / 19°22916.2012.25.3
Oct23° / 13°1319.8011.26.9
Nov17° / 1048.2010.45.9
Dec12° / 786.60.19.93.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 68%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33763
43664
53664
63664
73664
83565
93565
103565
113466
123466
133466
143466
153367
163268
173268
183268
193268
203268
213169
223070
232971
242971
252872
262872
272872
282773
292674
302575
312377

Chance of precipitation in May

Any precipitation

Kobayashi gets around 212 mm of rain over 12.5 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 48% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1140
1240
1340
1439
1539
1639
1739
1839
1939
2039
2139
2240
2340
2441
2541
2642
2743
2844
2946
3047
3148

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 43% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
160221440
260221440
358231540
457231550
555241650
653251660
753251660
852261660
951261670
1050271670
1149271680
1248281680
1348291580
1447291590
1546301590
1645311590
1744311690
1843321690
19423216100
20413217100
21393318100
22383319100
23363320100
24353321100
25333323110
26313325110
27293326110
28273328110
29253230121
30233231131
31213133141

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 5:36 AM to 5:16 AM, and sunset from 6:50 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.25:366:50
213.35:356:51
313.35:346:52
413.35:336:53
513.45:326:53
613.45:316:54
713.45:306:55
813.45:306:55
913.55:296:56
1013.55:286:57
1113.55:276:58
1213.55:266:58
1313.65:266:59
1413.65:257:00
1513.65:247:00
1613.65:237:01
1713.75:237:02
1813.75:227:03
1913.75:217:03
2013.75:217:04
2113.75:207:05
2213.85:207:05
2313.85:197:06
2413.85:197:07
2513.85:187:07
2613.85:187:08
2713.95:177:09
2813.95:177:09
2913.95:177:10
3013.95:167:10
3113.95:167:11

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.98 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 4.98 kWh/m² in May across the year — May's 4.98 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.8Bright
304.8Bright
314.7Bright
Planning a trip in May

Hazard calendar for Kobayashi

In seasonPeak

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

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

Kobayashi's rainy season runs May–July, 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 Kobayashi?

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

6.2
Sightseeing
2nd-best month of the year
4.8
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kobayashi for sightseeing.

What to pack for Kobayashi in May

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

In May, Kobayashi sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Kobayashi in May

The nearest coast averages about 20°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 59 km away) is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 16 to Dec 4 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Kobayashi 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 Kobayashi peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Kobayashi 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 Kobayashi 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 Kobayashi?

Kobayashi sits at 32.0°N, 131.0°E, 205 m above sea level, in Japan. The nearest listed city is Ebino, 15 km away.

Topography around Kobayashi

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

Within 3 km, the terrain around Kobayashi has only modest variations in elevation — a maximum elevation change of 147 m around an average of 203 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,597 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,715 m.

The land around Kobayashi is covered by trees (39%), cropland (33%) and artificial surfaces (27%) within 3 km, trees (81%) within 16 km, and trees (64%) and water (26%) within 80 km.

3 km
147 m
16 km
1,597 m
80 km
1,715 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ebino 15 km · Miyakonojō 29 km · Mochibaru 29 km · Honjō 33 km · Hitoyoshi 34 km · Kirishima 34 km · Kokubu-matsuki 35 km · Ōkuchi-shinohara 35 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 Kobayashi (31.9833°, 130.9833°, elevation 205 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).