Miyajima weather in May

In May, Miyajima sees average daytime highs of 22°C and overnight lows near 15°C, with 161 mm of rain across 10.1 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Miyajima's 10th-clearest and 10th-windiest month. For the whole year in context, see Miyajima's year-round climate.

Daytime high
22°
5th warmest
Overnight low
15°
7th coldest
Rainfall
161 mm
10.1 wet days
Daylight
13 h 48 min
5:13 AM – 7:00 PM
Cloud cover
62%
10th clearest
Wind
8 km/h
10th windiest
Solar energy
5.57 kWh/m²
Travel score
6.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical May day in Miyajima reaches about 22°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°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)
12113
22113
32113
42113
52113
62114
72114
82114
92214
102214
112214
122214
132214
142215
152215
162215
172215
182215
192315
202315
212316
222316
232316
242316
252316
262316
272316
282317
292417
302417
312417

How May really feels in Miyajima

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.

Miyajima 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
Jan / 506.11101.8
Feb10° / 667.91.510.72.2
Mar13° / 1139.90.411.73.7
Apr18° / 10°1399.9012.85.7
May22° / 15°16110.1013.86.6
Jun25° / 19°22713.7014.25.9
Jul29° / 23°24915.1014.14.8
Aug30° / 24°15614.1013.34.4
Sep27° / 21°18711.7012.26.1
Oct22° / 15°1208.3011.17.1
Nov16° / 727.1010.25.6
Dec11° / 586.50.39.83.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 57%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44852
54852
64753
74753
84654
94555
104555
114456
124456
134357
144456
154456
164357
174357
184357
194357
204357
214258
224258
234258
244258
254258
264159
273961
283961
293862
303862
313664

Chance of precipitation in May

Any precipitation

Miyajima gets around 161 mm of rain over 10.1 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 32% and peaks near 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
531
631
732
832
933
1033
1133
1233
1333
1433
1533
1633
1733
1833
1933
2033
2133
2233
2333
2432
2532
2632
2732
2832
2933
3033
3133

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 46% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1692371
2682471
3662581
4652681
5622792
6622792
7612892
85929102
95929102
105730112
115631112
125432113
135333113
145234113
155035123
164937122
174738132
184440142
194241152
204042162
213842172
223643182
233443203
243244213
253044233
262844253
272643274
282443294
292242315
302041336
311840357

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

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 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 42 minutes over May. Sunrise moves from 5:27 AM to 5:05 AM, and sunset from 6:49 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:276:49
213.45:266:49
313.45:256:50
413.45:246:51
513.55:236:52
613.55:226:53
713.55:216:53
813.65:206:54
913.65:196:55
1013.65:186:56
1113.75:186:57
1213.75:176:57
1313.75:166:58
1413.75:156:59
1513.85:147:00
1613.85:137:00
1713.85:137:01
1813.85:127:02
1913.95:117:03
2013.95:117:03
2113.95:107:04
2213.95:097:05
2313.95:097:06
2414.05:087:06
2514.05:087:07
2614.05:077:08
2714.05:077:08
2814.05:067:09
2914.15:067:10
3014.15:057:10
3114.15:057:11

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 2.27 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
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Miyajima

In seasonPeak

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

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

Miyajima's rainy season runs March–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 Miyajima?

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

6.6
Sightseeing
2nd-best month of the year
4.7
Beach & pool
6th-best month of the year

May is a reasonable time to visit Miyajima for sightseeing.

What to pack for Miyajima in May

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

In May, Miyajima sees daytime highs around 22°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

Sea temperature near Miyajima in May

The nearest coast averages about 17°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 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 13 to Nov 17 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun20Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Miyajima 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 Miyajima peaks around July 13 at about 10 (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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 13UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Miyajima 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 Miyajima is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1022 µg/m³Oct 1310 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr22Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Moderate
Sep11Good
Oct10Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Miyajima?

Miyajima sits at 34.3°N, 132.3°E, 0 m above sea level, in Japan. The nearest listed city is Ōno-hara, 5.0 km away.

Topography around Miyajima

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

Within 3 km, the terrain around Miyajima has significant variations in elevation — a maximum elevation change of 510 m around an average of 72 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,032 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,327 m.

The land around Miyajima is covered by water (47%) and trees (43%) within 3 km, trees (46%) and water (40%) within 16 km, and trees (60%) and water (33%) within 80 km.

3 km
510 m
16 km
1,032 m
80 km
1,327 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Ōno-hara 5.0 km · Hatsukaichi 6.0 km · Ōtake 14 km · Etajima 16 km · Hiroshima 16 km · Iwakuni 18 km · Fuchū 20 km · Gion 20 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 Miyajima (34.2991°, 132.3219°, elevation 0 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).