Miyoshidai weather in May

In May, Miyoshidai sees average daytime highs of 22°C and overnight lows near 14°C, with 139 mm of rain across 13.2 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 6th-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 22% 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 12 min by month's end. Set against the rest of the year, May is Miyoshidai's 10th-clearest and 3rd-windiest month. For the whole year in context, see Miyoshidai's year-round climate.

Daytime high
22°
5th warmest
Overnight low
14°
8th coldest
Rainfall
139 mm
13.2 wet days
Daylight
13 h 54 min
4:41 AM – 6:35 PM
Cloud cover
69%
10th clearest
Wind
10 km/h
3rd windiest
Solar energy
5.03 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 21°C in the first days to 24°C by the end.

A typical May day in Miyoshidai 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 26°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)
12112
22112
32113
42113
52113
62113
72113
82213
92213
102214
112214
122214
132214
142214
152214
162214
172215
182315
192315
202315
212315
222315
232316
242316
252316
262316
272416
282416
292416
302416
312417

How May really feels in Miyoshidai

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.

Miyoshidai 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 / -0°697.52.59.81.9
Feb10° / 658.42.510.62.2
Mar13° / 12013.21.511.73.4
Apr18° / 12312.80.312.95.3
May22° / 14°13913.2013.96.1
Jun25° / 19°17715.4014.45.5
Jul29° / 23°18216.4014.24.6
Aug30° / 24°14215.5013.44.2
Sep26° / 20°20414.9012.25.5
Oct21° / 14°21513.7011.15.9
Nov16° / 9210.2010.15.0
Dec11° / 617.40.49.63.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 64%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24357
34258
44258
54060
64060
73862
83763
93763
103664
113565
123466
133466
143466
153466
163466
173268
183367
193367
203466
213367
223466
233466
243466
253565
263466
273367
283367
293367
303268
313169

Chance of precipitation in May

Any precipitation

Miyoshidai gets around 139 mm of rain over 13.2 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 42% and peaks near 44% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
439
539
640
740
841
941
1042
1142
1243
1343
1443
1544
1644
1744
1844
1944
2043
2143
2243
2343
2443
2542
2642
2742
2841
2941
3041
3141

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 (%)
1732241
2712351
3702451
4682561
5672661
6642871
7622981
8612982
9593092
10583192
115632102
125433112
135334112
145135122
154837132
164638142
174438152
184239162
194040173
203840193
213641203
223441223
233341233
243141253
252941264
262741284
272640304
282440315
292239335
302139356
311938366

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 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 4:56 AM to 4:32 AM, and sunset from 6:22 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.44:566:22
213.54:556:23
313.54:546:24
413.54:536:25
513.64:526:26
613.64:516:26
713.64:506:27
813.74:496:28
913.74:486:29
1013.74:476:30
1113.74:466:31
1213.84:456:31
1313.84:446:32
1413.84:436:33
1513.94:426:34
1613.94:416:35
1713.94:416:36
1813.94:406:36
1914.04:396:37
2014.04:386:38
2114.04:386:39
2214.04:376:40
2314.14:366:40
2414.14:366:41
2514.14:356:42
2614.14:356:43
2714.24:346:43
2814.24:346:44
2914.24:336:45
3014.24:336:45
3114.24:326:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.03 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.03 kWh/m² in May across the year — May's 5.03 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Miyoshidai

In seasonPeak

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

Miyoshidai 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 Miyoshidai?

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

6.1
Sightseeing
1st-best month of the year
4.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Miyoshidai for sightseeing.

What to pack for Miyoshidai in May

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

In May, Miyoshidai sees daytime highs around 22°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Miyoshidai 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 38 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 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Miyoshidai 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 Miyoshidai peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Miyoshidai 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 Miyoshidai is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Miyoshidai?

Miyoshidai sits at 35.8°N, 139.5°E, 26 m above sea level, in Japan. The nearest listed city is Niiza, 2.0 km away.

Topography around Miyoshidai

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

Within 3 km, the terrain around Miyoshidai has only modest variations in elevation — a maximum elevation change of 58 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 188 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,580 m.

The land around Miyoshidai is covered by artificial surfaces (73%) within 3 km, artificial surfaces (71%) within 16 km, and trees (43%) and artificial surfaces (29%) within 80 km.

3 km
58 m
16 km
188 m
80 km
2,580 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Niiza 2.0 km · Ōi 3.0 km · Shiki 4.0 km · Kamifukuoka 5.0 km · Asaka 6.0 km · Kiyose 6.0 km · Tokorozawa 8.0 km · Fujimino 8.0 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 Miyoshidai (35.8332°, 139.5444°, elevation 26 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).