Kawanoechō weather in May

In May, Kawanoechō sees average daytime highs of 21°C and overnight lows near 14°C, with 170 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 19°C in the first days to 22°C by the end. The sky is clear or mostly clear about 29% 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 Kawanoechō's 10th-clearest and 9th-windiest month. For the whole year in context, see Kawanoechō's year-round climate.

Daytime high
21°
5th warmest
Overnight low
14°
7th coldest
Rainfall
170 mm
12.1 wet days
Daylight
13 h 48 min
5:09 AM – 6:55 PM
Cloud cover
64%
10th clearest
Wind
8 km/h
9th windiest
Solar energy
5.59 kWh/m²
Travel score
6.1
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 19°C in the first days to 22°C by the end.

A typical May day in Kawanoechō reaches about 21°C in the afternoon and slips back to 14°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11912
21912
31912
41913
51913
62013
72013
82013
92013
102013
112014
122014
132014
142014
152114
162114
172114
182114
192115
202115
212115
222115
232115
242115
252215
262215
272216
282216
292216
302216
312216

How May really feels in Kawanoechō

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.

Kawanoechō 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 / 8013.73.6101.0
Feb / 8811.93.610.71.3
Mar12° / 12813.41.511.72.8
Apr16° / 10°14211.90.112.84.9
May21° / 14°17012.1013.76.1
Jun24° / 19°26816.3014.25.5
Jul27° / 23°26517.60145.0
Aug29° / 24°18216.6013.34.8
Sep26° / 20°24915.6012.25.8
Oct20° / 15°18911.9011.16.2
Nov15° / 9810.30.110.24.6
Dec10° / 9312.529.82.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 59%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44555
54456
64357
74357
84258
94159
104159
114060
124159
134060
144159
154159
164258
174159
184159
194258
204258
214258
224159
234159
244159
254060
264060
273961
283862
293862
303664
313565

Chance of precipitation in May

Any precipitation

Kawanoechō gets around 170 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 (%)
136
236
337
437
537
638
738
839
939
1040
1140
1240
1340
1440
1539
1639
1739
1838
1938
2038
2138
2238
2338
2438
2538
2637
2737
2838
2938
3038
3139

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 48% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1722161
2702271
3692371
4672481
5652681
6632791
7622891
86128101
96029101
105830111
115830111
125631121
135532121
145433121
155234131
165135131
175036141
184837141
194637151
204438161
214239171
224040181
233841201
243642212
253342232
263143242
272843262
282643283
292443303
302242324
311942354

Wind in May

Winds average 8 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.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
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 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 5:23 AM to 5:01 AM, and sunset from 6:43 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:236:43
213.45:226:44
313.45:216:45
413.45:206:45
513.55:196:46
613.55:186:47
713.55:176:48
813.55:166:49
913.65:156:49
1013.65:146:50
1113.65:136:51
1213.75:126:52
1313.75:116:53
1413.75:116:53
1513.75:106:54
1613.85:096:55
1713.85:086:56
1813.85:086:56
1913.85:076:57
2013.95:066:58
2113.95:066:59
2213.95:056:59
2313.95:047:00
2413.95:047:01
2514.05:037:01
2614.05:037:02
2714.05:027:03
2814.05:027:03
2914.05:027:04
3014.15:017:05
3114.15:017:05

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.59 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.36 kWh/m² to a high of 5.59 kWh/m² in May across the year — May's 5.59 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
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Kawanoechō

In seasonPeak

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

Kawanoechō 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 Kawanoechō?

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

6.1
Sightseeing
2nd-best month of the year
3.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kawanoechō for sightseeing.

What to pack for Kawanoechō in May

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

In May, Kawanoechō sees daytime highs around 21°C and nights near 14°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Kawanoechō 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 13 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 Kawanoechō 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 Kawanoechō peaks around July 11 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 highModerateJul 11UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Kawanoechō 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 Kawanoechō 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 Kawanoechō?

Kawanoechō sits at 34.0°N, 133.6°E, 13 m above sea level, in Japan. The nearest listed city is Shikokuchūō, 5.0 km away.

Topography around Kawanoechō

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

Within 3 km, the terrain around Kawanoechō has significant variations in elevation — a maximum elevation change of 253 m around an average of 37 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,447 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,946 m.

The land around Kawanoechō is covered by water (34%), artificial surfaces (32%) and trees (30%) within 3 km, trees (48%) and water (40%) within 16 km, and trees (61%) and water (28%) within 80 km.

3 km
253 m
16 km
1,447 m
80 km
1,946 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Shikokuchūō 5.0 km · Kan’onjichō 14 km · Ikedachō 21 km · Mitoyo 23 km · Niihama 26 km · Shioiri 30 km · Zentsujichó 30 km · Tadotsu 33 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 Kawanoechō (34.0165°, 133.5784°, elevation 13 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).