Yamada weather in May

In May, Yamada sees average daytime highs of 13°C and overnight lows near 10°C, with 118 mm of rain across 10.9 wet days and about 14.1 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 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Yamada's 8th-clearest and 8th-windiest month. For the whole year in context, see Yamada's year-round climate.

Daytime high
13°
6th warmest
Overnight low
10°
7th coldest
Rainfall
118 mm
10.9 wet days
Daylight
14 h 12 min
4:24 AM – 6:33 PM
Cloud cover
65%
8th clearest
Wind
17 km/h
8th windiest
Solar energy
5.45 kWh/m²
Travel score
3.4
out of 10

Yamada is town in Shimohei District, Iwate Prefecture, Japan.

Density
58/km²
people per km²
Founded
1889

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 Yamada 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
4118
5129
6129
7129
8129
9129
10129
11129
12129
131210
141310
151310
161310
171310
181310
191310
201311
211311
221411
231411
241411
251411
261411
271412
281412
291412
301412
311512

How May really feels in Yamada

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.

Yamada 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°739.14.89.50.0
Feb / -1°648.85.510.40.0
Mar / 10511.35.511.70.2
Apr / 10610.61131.7
May13° / 10°11810.9014.13.4
Jun16° / 14°13012.1014.74.6
Jul20° / 18°15914.3014.55.5
Aug22° / 20°16712.9013.56.1
Sep20° / 18°20113.8012.35.6
Oct16° / 13°17511.40115.1
Nov12° / 849.50.29.83.1
Dec / 809.62.69.30.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34654
44654
54456
64357
74258
84258
94060
104060
114060
124060
134060
144060
154060
164060
174060
184060
194159
204159
214060
224159
234159
244258
254258
264258
274258
284258
294258
304159
314159

Chance of precipitation in May

Any precipitation

Yamada gets around 118 mm of rain over 10.9 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
232
332
432
533
633
734
834
935
1035
1136
1236
1337
1437
1537
1637
1737
1837
1937
2037
2136
2236
2336
2435
2535
2635
2734
2834
2934
3034
3134

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 97% 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
22973
23964
24964
25955
26937
27928
289010
298812
308614
318416

Wind in May

Winds average 17 km/h in May.

Across May, daily wind ranges from about 16 km/h on the calmest days to 18 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
118light breeze
218light breeze
318light breeze
418light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1317light breeze
1417light breeze
1517light breeze
1617light breeze
1717light breeze
1817light breeze
1917light breeze
2017light breeze
2117light breeze
2217light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 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 60 minutes over May. Sunrise moves from 4:40 AM to 4:13 AM, and sunset from 6:19 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.64:406:19
213.74:396:20
313.74:386:21
413.84:366:22
513.84:356:23
613.84:346:24
713.94:336:25
813.94:326:26
913.94:316:27
1014.04:306:28
1114.04:296:28
1214.04:286:29
1314.14:276:30
1414.14:266:31
1514.14:256:32
1614.24:246:33
1714.24:236:34
1814.24:226:35
1914.34:216:36
2014.34:206:37
2114.34:196:38
2214.34:196:39
2314.44:186:40
2414.44:176:40
2514.44:166:41
2614.44:166:42
2714.54:156:43
2814.54:156:44
2914.54:146:45
3014.54:146:45
3114.64:136:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.45 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.04 kWh/m² to a high of 5.45 kWh/m² in May across the year — May's 5.45 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Yamada

In seasonPeak

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

Yamada 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 Yamada?

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

3.4
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 Yamada.

What to pack for Yamada in May

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

In May, Yamada 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 Yamada 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 18 km away) is warmest in August at about 22°C and coldest in March near 7°C.

It's comfortable for a long swim from Jul 31 to Sep 27 — about 1.9 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar7Bracing
Apr8Bracing
May11Bracing
Jun15Cool
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct18Cool
Nov16Cool
Dec13Bracing

UV index in Yamada 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 Yamada 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 Yamada 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 Yamada 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 Yamada?

Yamada sits at 39.5°N, 141.9°E, 4 m above sea level, in Japan. The nearest listed city is Miyako, 20 km away.

Topography around Yamada

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

Within 3 km, the terrain around Yamada has significant variations in elevation — a maximum elevation change of 303 m around an average of 63 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,116 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,869 m.

The land around Yamada is covered by trees (59%) and water (26%) within 3 km, trees (63%) and water (33%) within 16 km, and trees (58%) and water (36%) within 80 km.

3 km
303 m
16 km
1,116 m
80 km
1,869 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Miyako 20 km · Kamaishi 22 km · Tōno 40 km · Ōfunato 48 km · Rikuzen-Takata 56 km · Hizume 68 km · Kesennuma 71 km · Yahaba 71 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 Yamada (39.4667°, 141.95°, elevation 4 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).