Ninohe weather in May

In May, Ninohe sees average daytime highs of 18°C and overnight lows near 9°C, with 88 mm of precipitation across 12 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 20°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 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 Ninohe's 5th-clearest and 7th-windiest month. For the whole year in context, see Ninohe's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
88 mm
12 wet days
Daylight
14 h 12 min
4:24 AM – 6:38 PM
Cloud cover
65%
5th clearest
Wind
10 km/h
7th windiest
Solar energy
5.38 kWh/m²
Travel score
5.5
out of 10

Ninohe is city in Iwate Prefecture, Japan.

Density
61/km²
people per km²
Founded
2006

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 17°C in the first days to 20°C by the end.

A typical May day in Ninohe reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, May runs about 6°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1167
2167
3177
4177
5178
6178
7178
8178
9178
10178
11189
12189
13189
14189
15189
16189
171810
181810
191910
201910
211910
221910
231910
241911
251911
262011
272011
282011
292011
302011
312012

How May really feels in Ninohe

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.

Ninohe 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 / -7°549.410.99.50.0
Feb / -7°559.410.310.40.0
Mar / -3°8413.39.411.70.5
Apr13° / 8513.32.9133.3
May18° / 88120.214.25.5
Jun22° / 14°10112.5014.85.9
Jul25° / 18°13715.3014.65.8
Aug26° / 19°13514.3013.65.8
Sep23° / 15°12912.2012.36.1
Oct17° / 10510.5010.95.1
Nov10° / 6811.62.89.82.0
Dec / -4°6610.99.69.20.0

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 15% of May, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34456
44357
54357
64258
74258
84159
94159
104159
114159
124159
134060
144060
154060
163961
173961
183961
194060
204159
214159
224159
234159
244258
254258
264258
274159
284159
294159
304159
314159

Chance of precipitation in May

Any precipitationSnow

Ninohe gets around 88 mm of rain and snow over 12 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 41% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1413
2413
3402
4402
5402
6402
7401
8401
9401
10401
11401
12400
13400
14400
15390
16390
17390
18390
19390
20380
21380
22380
23370
24370
25370
26370
27370
28370
29370
30370
31380

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
110000
210000
310000
410000
510000
69910
79910
89910
99910
109910
119820
129820
139820
149730
159730
169640
179640
189550
199460
209370
219370
229280
239190
2490100
2589110
2687130
2786140
2885150
2984160
3082180
3180191

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

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

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 4:41 AM to 4:13 AM, and sunset from 6:23 PM to 6:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.74:416:23
213.74:406:24
313.84:396:25
413.84:376:26
513.84:366:27
613.94:356:28
713.94:346:29
814.04:336:30
914.04:316:31
1014.04:306:32
1114.14:296:33
1214.14:286:34
1314.14:276:35
1414.24:266:36
1514.24:256:37
1614.24:246:38
1714.34:236:39
1814.34:226:40
1914.34:216:41
2014.34:216:42
2114.44:206:43
2214.44:196:43
2314.44:186:44
2414.54:186:45
2514.54:176:46
2614.54:166:47
2714.54:166:48
2814.64:156:49
2914.64:146:49
3014.64:146:50
3114.64:136:51

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.38 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.84 kWh/m² to a high of 5.38 kWh/m² in May across the year — May's 5.38 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Ninohe

In seasonPeak

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

Ninohe 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 Ninohe?

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

5.5
Sightseeing
5th-best month of the year
2.0
Beach & pool
5th-best month of the year

May is a reasonable time to visit Ninohe for sightseeing.

What to pack for Ninohe in May

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

In May, Ninohe sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Ninohe in May

The nearest coast averages about 10°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 46 km away) is warmest in August at about 21°C and coldest in March near 7°C.

It's comfortable for a long swim from Aug 8 to Sep 26 — about 1.6 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan10Bracing
Feb8Bracing
Mar7Bracing
Apr8Bracing
May10Bracing
Jun14Bracing
Jul18Cool
Aug21Refreshing
Sep21Refreshing
Oct18Cool
Nov15Cool
Dec12Bracing

UV index in Ninohe 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 Ninohe peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (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 8Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun7Very high
Jul5Moderate
Aug9Very high
Sep7High
Oct5Moderate
Nov2Moderate
Dec1Low

Air quality in Ninohe 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 Ninohe is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1421 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug12Good
Sep12Good
Oct12Good
Nov10Good
Dec10Good
Location & terrain

Where is Ninohe?

Ninohe sits at 40.3°N, 141.3°E, 261 m above sea level, in Japan. The nearest listed city is Nanaku, 13 km away.

Topography around Ninohe

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

Within 3 km, the terrain around Ninohe has significant variations in elevation — a maximum elevation change of 332 m around an average of 190 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 837 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,128 m.

The land around Ninohe is covered by trees (81%) within 3 km, trees (90%) within 16 km, and trees (69%) and water (22%) within 80 km.

3 km
332 m
16 km
837 m
80 km
2,128 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Nanaku 13 km · Hakurōmachi 26 km · Ōno 27 km · Hachinohe 28 km · Towada 38 km · Hitokawame 40 km · Kuji 40 km · Misawa 45 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 Ninohe (40.2908°, 141.3133°, elevation 261 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).