Miyako weather in May

In May, Miyako sees average daytime highs of 13°C and overnight lows near 10°C, with 109 mm of rain across 11 wet days and about 14.2 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 14°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 42 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Miyako's 8th-clearest and 8th-windiest month. For the whole year in context, see Miyako's year-round climate.

Daytime high
13°
6th warmest
Overnight low
10°
7th coldest
Rainfall
109 mm
11 wet days
Daylight
14 h 12 min
4:23 AM – 6:34 PM
Cloud cover
64%
8th clearest
Wind
16 km/h
8th windiest
Solar energy
5.42 kWh/m²
Travel score
3.5
out of 10

Miyako is city in Iwate prefecture, Japan.

Density
41/km²
people per km²
Founded
1941

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 11°C in the first days to 14°C by the end.

A typical May day in Miyako reaches about 13°C in the afternoon and slips back to 10°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1118
2118
3118
4128
5128
6128
7129
8129
9129
10129
11129
12129
13129
14139
151310
161310
171310
181310
191310
201310
211310
221411
231411
241411
251411
261411
271411
281411
291412
301512
311512

How May really feels in Miyako

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.

Miyako 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 / -1°729.15.19.50.0
Feb / -1°658.9610.40.0
Mar / 10011.55.411.70.2
Apr / 9910.31.1131.8
May13° / 10°10911014.23.5
Jun16° / 14°12111.5014.74.7
Jul20° / 18°15314.4014.55.5
Aug22° / 20°16613.6013.66.0
Sep20° / 18°19313.4012.35.6
Oct16° / 13°16211.4010.95.1
Nov12° / 799.60.59.83.1
Dec / 769.42.99.20.6

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 14% 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
34654
44654
54555
64456
74357
84357
94258
104258
114258
124159
134159
144159
154258
164258
174159
184258
194258
204159
214258
224258
234357
244258
254258
264258
274258
284258
294258
304159
314258

Chance of precipitation in May

Any precipitation

Miyako gets around 109 mm of rain over 11 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
433
534
634
734
835
935
1035
1136
1236
1336
1437
1537
1637
1737
1837
1936
2036
2136
2236
2336
2435
2535
2635
2734
2834
2934
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 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
18991
19991
20991
21982
22982
23973
24964
25964
26955
27946
28937
29919
309010
318812

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 4:40 AM to 4:13 AM, and sunset from 6:19 PM to 6:47 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.74:406:19
213.74:396:20
313.74:376:21
413.84:366:22
513.84:356:23
613.84:346:24
713.94:336:25
813.94:316:26
913.94:306:27
1014.04:296:28
1114.04:286:29
1214.04:276:30
1314.14:266:31
1414.14:256:32
1514.14:246:33
1614.24:236:34
1714.24:226:35
1814.24:216:36
1914.34:216:37
2014.34:206:37
2114.34:196:38
2214.44:186:39
2314.44:176:40
2414.44:176:41
2514.44:166:42
2614.54:156:43
2714.54:156:44
2814.54:146:44
2914.54:146:45
3014.54:136:46
3114.64:136:47

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.42 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.98 kWh/m² to a high of 5.42 kWh/m² in May across the year — May's 5.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Miyako

In seasonPeak

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

Miyako 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 Miyako?

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

3.5
Sightseeing
6th-best month of the year
0.0
Beach & pool
6th-best month of the year

May is a weaker month for outdoor sightseeing in Miyako.

What to pack for Miyako in May

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

In May, Miyako sees daytime highs around 13°C and nights near 10°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Miyako in May

The nearest coast averages about 11°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 16 km away) is warmest in August at about 21°C and coldest in March near 6°C.

It's comfortable for a long swim from Aug 4 to Sep 26 — about 1.8 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb7Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun15Bracing
Jul18Cool
Aug21Refreshing
Sep21Refreshing
Oct18Cool
Nov15Cool
Dec13Bracing

UV index in Miyako in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Miyako peaks around August 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun7Very high
Jul6High
Aug9Very high
Sep7Very high
Oct5Moderate
Nov2Moderate
Dec2Low

Air quality in Miyako 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 Miyako is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1320 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun13Moderate
Jul12Good
Aug10Good
Sep10Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Miyako?

Miyako sits at 39.6°N, 141.9°E, 10 m above sea level, in Japan. The nearest listed city is Yamada, 20 km away.

Topography around Miyako

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

Within 3 km, the terrain around Miyako has significant variations in elevation — a maximum elevation change of 320 m around an average of 80 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,209 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,869 m.

The land around Miyako is covered by trees (66%) and artificial surfaces (22%) within 3 km, trees (67%) and water (29%) within 16 km, and trees (60%) and water (34%) within 80 km.

3 km
320 m
16 km
1,209 m
80 km
1,869 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Yamada 20 km · Kamaishi 42 km · Tōno 51 km · Kuji 62 km · Ōfunato 67 km · Hizume 67 km · Morioka 68 km · Yahaba 68 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 Miyako (39.6469°, 141.9406°, elevation 10 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).