Ikedachō weather in May

In May, Ikedachō sees average daytime highs of 22°C and overnight lows near 14°C, with 158 mm of rain across 12.1 wet days and about 13.7 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 28% 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 h 06 min by month's end. Set against the rest of the year, May is Ikedachō's 10th-clearest and 8th-windiest month. For the whole year in context, see Ikedachō's year-round climate.

Daytime high
22°
5th warmest
Overnight low
14°
8th coldest
Rainfall
158 mm
12.1 wet days
Daylight
13 h 48 min
5:08 AM – 6:54 PM
Cloud cover
65%
10th clearest
Wind
6 km/h
8th windiest
Solar energy
5.57 kWh/m²
Travel score
6.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 23°C by the end.

A typical May day in Ikedachō reaches about 22°C in the afternoon and slips back to 14°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 25°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42112
52112
62112
72113
82113
92113
102113
112113
122113
132213
142213
152214
162214
172214
182214
192214
202214
212214
222214
232315
242315
252315
262315
272315
282315
292315
302316
312316

How May really feels in Ikedachō

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.

Ikedachō weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6510.34.2101.0
Feb / 7510.43.710.71.4
Mar12° / 11512.9211.73.0
Apr17° / 13011.30.212.85.3
May22° / 14°15812.1013.76.3
Jun25° / 18°26016014.25.5
Jul29° / 22°25417.70144.6
Aug30° / 23°18116.4013.34.4
Sep26° / 19°22915.2012.25.7
Oct21° / 13°17310.9011.16.4
Nov15° / 8790.110.24.8
Dec10° / 7710.529.82.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34357
44357
54258
64258
74060
84060
94060
103961
114060
123961
133961
144060
154060
164060
174159
184159
194060
203961
214060
224060
234060
244060
253961
263862
273862
283763
293664
303565
313466

Chance of precipitation in May

Any precipitation

Ikedachō gets around 158 mm of rain over 12.1 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 38% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
137
237
337
437
538
638
738
839
939
1039
1140
1240
1340
1439
1539
1639
1738
1838
1938
2038
2138
2238
2338
2437
2537
2637
2737
2837
2937
3038
3138

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 61% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1771571
2761671
3761671
4741781
5731881
6711982
7701992
8692092
9692092
106721102
116721102
126622102
136523102
146523102
156424102
166324112
176225112
186225112
196026122
205926132
215827132
225628142
235429152
245329162
255131162
264932172
274633183
284434193
294135213
303836224
313537234

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 5 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
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 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 48 minutes over May. Sunrise moves from 5:22 AM to 5:00 AM, and sunset from 6:42 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:226:42
213.45:216:43
313.45:206:44
413.45:196:45
513.55:186:45
613.55:176:46
713.55:166:47
813.55:156:48
913.65:146:49
1013.65:136:49
1113.65:126:50
1213.75:116:51
1313.75:106:52
1413.75:106:52
1513.75:096:53
1613.85:086:54
1713.85:076:55
1813.85:076:55
1913.85:066:56
2013.95:056:57
2113.95:056:58
2213.95:046:58
2313.95:046:59
2413.95:037:00
2514.05:027:01
2614.05:027:01
2714.05:017:02
2814.05:017:03
2914.05:017:03
3014.15:007:04
3114.15:007:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.57 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.57 kWh/m² in May across the year — May's 5.57 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
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.7Bright
215.7Bright
225.7Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in May

Hazard calendar for Ikedachō

In seasonPeak

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

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

Ikedachō's rainy season runs April–October, 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 Ikedachō?

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

6.3
Sightseeing
2nd-best month of the year
4.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Ikedachō for sightseeing.

What to pack for Ikedachō in May

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

In May, Ikedachō sees daytime highs around 22°C and nights near 14°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Ikedachō 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 20 km away) is warmest in August at about 28°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
Apr15Bracing
May18Cool
Jun22Refreshing
Jul25Warm
Aug28Warm
Sep27Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Ikedachō 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 Ikedachō peaks around June 23 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May9Very high
Jun11Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Ikedachō 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 Ikedachō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1321 µg/m³Oct 1311 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar20Moderate
Apr22Moderate
May19Moderate
Jun16Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Ikedachō?

Ikedachō sits at 34.0°N, 133.8°E, 120 m above sea level, in Japan. The nearest listed city is Shioiri, 15 km away.

Topography around Ikedachō

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

Within 3 km, the terrain around Ikedachō has large variations in elevation — a maximum elevation change of 787 m around an average of 370 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,651 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,914 m.

The land around Ikedachō is covered by trees (84%) within 3 km, trees (88%) within 16 km, and trees (56%) and water (32%) within 80 km.

3 km
787 m
16 km
1,651 m
80 km
1,914 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Shioiri 15 km · Kan’onjichō 18 km · Kawanoechō 21 km · Zentsujichó 22 km · Mitoyo 24 km · Shikokuchūō 24 km · Takinomiya 27 km · Tadotsu 28 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 Ikedachō (34.0285°, 133.8062°, elevation 120 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).