Kikuchi weather in May

In May, Kikuchi sees average daytime highs of 24°C and overnight lows near 15°C, with 181 mm of rain across 11.5 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 3rd-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 26% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Kikuchi's 10th-clearest and 8th-windiest month. For the whole year in context, see Kikuchi's year-round climate.

Daytime high
24°
5th warmest
Overnight low
15°
8th coldest
Rainfall
181 mm
11.5 wet days
Daylight
13 h 42 min
5:22 AM – 7:04 PM
Cloud cover
66%
10th clearest
Wind
7 km/h
8th windiest
Solar energy
5.18 kWh/m²
Travel score
6.5
out of 10

Kikuchi is city in Kumamoto Prefecture, Japan.

Density
179/km²
people per km²
Founded
2005

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 25°C by the end.

A typical May day in Kikuchi 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 4°C warmer than April and about 2°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52213
62313
72313
82314
92314
102314
112314
122314
132314
142314
152414
162415
172415
182415
192415
202415
212415
222415
232415
242416
252516
262516
272516
282516
292516
302516
312517

How May really feels in Kikuchi

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.

Kikuchi weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 648.21.110.12.0
Feb11° / 889.3110.82.6
Mar15° / 13612.30.211.74.1
Apr19° / 10°15511.4012.85.8
May24° / 15°18111.5013.76.5
Jun26° / 19°42017014.15.3
Jul29° / 23°34317.80144.3
Aug31° / 24°15814.2013.24.2
Sep28° / 20°15611.3012.25.9
Oct23° / 14°967.5011.27.3
Nov17° / 847.9010.35.8
Dec12° / 697.90.49.93.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 62%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24258
34159
44159
54159
64060
74060
83961
93961
103961
113961
123862
133961
143961
153961
163862
173961
183961
193862
203862
213862
223763
233862
243763
253763
263664
273565
283565
293466
303367
313268

Chance of precipitation in May

Any precipitation

Kikuchi gets around 181 mm of rain over 11.5 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
739
839
939
1039
1139
1239
1339
1438
1538
1637
1737
1837
1936
2036
2136
2236
2335
2435
2535
2635
2735
2835
2936
3036
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 44% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162221240
261221340
360231340
459231440
557241450
656251450
754261550
852271560
952271560
1051281560
1150291560
1249301560
1348311560
1447311560
1546321560
1645331560
1744341660
1843341660
1942351760
2040351870
2139351870
2238361970
2336362070
2435362180
2533362380
2631362490
2729362590
28273627101
29253528111
30233530121
31213431131

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

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
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 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:35 AM to 5:14 AM, and sunset from 6:53 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:356:53
213.35:346:53
313.35:336:54
413.45:326:55
513.45:316:56
613.45:306:56
713.55:296:57
813.55:296:58
913.55:286:59
1013.55:276:59
1113.65:267:00
1213.65:257:01
1313.65:247:02
1413.65:247:02
1513.75:237:03
1613.75:227:04
1713.75:217:05
1813.75:217:05
1913.85:207:06
2013.85:197:07
2113.85:197:07
2213.85:187:08
2313.95:187:09
2413.95:177:09
2513.95:177:10
2613.95:167:11
2713.95:167:11
2813.95:157:12
2914.05:157:13
3014.05:157:13
3114.05:147:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.18 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.18 kWh/m² in May across the year — May's 5.18 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.1Bright
295.1Bright
305.1Bright
315.0Bright
Planning a trip in May

Hazard calendar for Kikuchi

In seasonPeak

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

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

Kikuchi's rainy season runs June–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 Kikuchi?

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

6.5
Sightseeing
2nd-best month of the year
5.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kikuchi for sightseeing.

What to pack for Kikuchi in May

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

In May, Kikuchi sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Kikuchi in May

The nearest coast averages about 19°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 May 27 to Nov 13 — about 5.6 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr16Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Kikuchi 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 Kikuchi peaks around June 22 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highModerateJun 22UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Kikuchi 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 Kikuchi is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2325 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun19Moderate
Jul13Moderate
Aug15Moderate
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Kikuchi?

Kikuchi sits at 33.0°N, 130.8°E, 73 m above sea level, in Japan. The nearest listed city is Kōshi, 11 km away.

Topography around Kikuchi

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

Within 3 km, the terrain around Kikuchi has only modest variations in elevation — a maximum elevation change of 213 m around an average of 103 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,158 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,765 m.

The land around Kikuchi is covered by trees (48%) and cropland (30%) within 3 km, trees (62%) and cropland (21%) within 16 km, and trees (68%) within 80 km.

3 km
213 m
16 km
1,158 m
80 km
1,765 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Kōshi 11 km · Yamaga 12 km · Ōzu 13 km · Okino 13 km · Uekimachi-mōno 15 km · Kumamoto 23 km · Tamana 23 km · Kotō 24 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 Kikuchi (32.9833°, 130.8167°, elevation 73 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).