Komatsushimachō weather in May

In May, Komatsushimachō sees average daytime highs of 21°C and overnight lows near 15°C, with 191 mm of rain across 12.9 wet days and about 13.7 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°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 h 06 min by month's end. Set against the rest of the year, May is Komatsushimachō's 10th-clearest and 9th-windiest month. For the whole year in context, see Komatsushimachō's year-round climate.

Daytime high
21°
6th warmest
Overnight low
15°
7th coldest
Rainfall
191 mm
12.9 wet days
Daylight
13 h 48 min
5:05 AM – 6:51 PM
Cloud cover
65%
10th clearest
Wind
11 km/h
9th windiest
Solar energy
5.5 kWh/m²
Travel score
6.0
out of 10

Komatsushimachō is city in Tokushima Prefecture, Japan.

Density
797/km²
people per km²
Founded
1951

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 20°C in the first days to 22°C by the end.

A typical May day in Komatsushimachō reaches about 21°C in the afternoon and slips back to 15°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 24°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)
12013
22013
32014
42014
52014
62014
72014
82014
92014
102114
112115
122115
132115
142115
152115
162115
172115
182115
192116
202116
212216
222216
232216
242216
252216
262217
272217
282217
292217
302217
312217

How May really feels in Komatsushimachō

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.

Komatsushimachō weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 717.31.1101.9
Feb10° / 798.41.310.72.2
Mar13° / 12811.60.211.73.5
Apr17° / 11°15111.3012.85.3
May21° / 15°19112.9013.76.0
Jun24° / 19°27716.8014.25.4
Jul28° / 23°26117.80144.9
Aug29° / 24°20416013.34.8
Sep26° / 21°28615.5012.25.8
Oct21° / 16°23111.7011.16.4
Nov16° / 11°1058.2010.25.4
Dec11° / 8170.19.83.2

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 14% 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 (%)
14654
24555
34555
44456
54258
64258
74159
84159
94060
103961
113961
123961
133862
143961
154060
164159
174060
184159
194159
204060
214060
224060
234159
244159
254060
263961
273961
283862
293763
303664
313664

Chance of precipitation in May

Any precipitation

Komatsushimachō gets around 191 mm of rain over 12.9 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 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
339
439
539
640
740
841
941
1041
1141
1241
1341
1441
1541
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2841
2941
3041
3142

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. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1662491
2642592
36226102
46127102
56028102
65729113
75630113
85530123
95431123
105431123
115232133
125033134
135033134
144934144
154735144
164636154
174536154
184337164
194238174
204038184
213839194
223739204
233539214
243340235
253140255
262940265
272739286
282539306
292338327
302137348
311936369

Wind in May

Winds average 11 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:19 AM to 4:57 AM, and sunset from 6:39 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:196:39
213.45:186:40
313.45:176:41
413.45:166:41
513.55:156:42
613.55:146:43
713.55:136:44
813.55:126:45
913.65:116:45
1013.65:106:46
1113.65:096:47
1213.75:086:48
1313.75:076:48
1413.75:076:49
1513.75:066:50
1613.85:056:51
1713.85:046:52
1813.85:046:52
1913.85:036:53
2013.95:026:54
2113.95:026:55
2213.95:016:55
2313.95:006:56
2413.95:006:57
2514.04:596:57
2614.04:596:58
2714.04:586:59
2814.04:586:59
2914.04:587:00
3014.14:577:01
3114.14:577:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 5.5 kWh/m² in May across the year — May's 5.5 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
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.4Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Komatsushimachō

In seasonPeak

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

Komatsushimachō 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 Komatsushimachō?

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

6.0
Sightseeing
2nd-best month of the year
3.7
Beach & pool
6th-best month of the year

May is a reasonable time to visit Komatsushimachō for sightseeing.

What to pack for Komatsushimachō in May

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

In May, Komatsushimachō sees daytime highs around 21°C and nights near 15°C. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near Komatsushimachō 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 14 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 19 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Refreshing
Dec17Cool

UV index in Komatsushimachō 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 Komatsushimachō peaks around July 11 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 — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Komatsushimachō 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 Komatsushimachō is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (September, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1320 µg/m³Sep 2010 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec11Good
Location & terrain

Where is Komatsushimachō?

Komatsushimachō sits at 34.0°N, 134.6°E, 3 m above sea level, in Japan. The nearest listed city is Tokushima, 8.0 km away.

Topography around Komatsushimachō

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

Within 3 km, the terrain around Komatsushimachō has significant variations in elevation — a maximum elevation change of 275 m around an average of 29 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 968 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,909 m.

The land around Komatsushimachō is covered by trees (33%), artificial surfaces (27%) and water (20%) within 3 km, trees (38%) and water (34%) within 16 km, and water (51%) and trees (41%) within 80 km.

3 km
275 m
16 km
968 m
80 km
1,909 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Tokushima 8.0 km · Anan 11 km · Takabō 15 km · Ishii 15 km · Yakami 17 km · Narutochō-mitsuishi 22 km · Kamojimachō-jōgejima 23 km · Yoshinogawa 27 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 Komatsushimachō (34°, 134.5833°, elevation 3 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).