Nyūzen weather in May

In May, Nyūzen sees average daytime highs of 18°C and overnight lows near 13°C, with 144 mm of rain across 13.8 wet days and about 13.9 hours of daylight. It is the 6th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°C by the end. The sky is clear or mostly clear about 30% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 30 min at the start of May to 14 h 18 min by month's end. Set against the rest of the year, May is Nyūzen's 2nd-clearest and 8th-windiest month. For the whole year in context, see Nyūzen's year-round climate.

Daytime high
18°
6th warmest
Overnight low
13°
7th coldest
Rainfall
144 mm
13.8 wet days
Daylight
14 hours
4:47 AM – 6:45 PM
Cloud cover
61%
2nd clearest
Wind
9 km/h
8th windiest
Solar energy
5.68 kWh/m²
Travel score
5.2
out of 10

Nyūzen is town in Shimoniikawa District, Toyama Prefecture, Japan.

Density
351/km²
people per km²
Founded
1953

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 16°C in the first days to 19°C by the end.

A typical May day in Nyūzen reaches about 18°C in the afternoon and slips back to 13°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 21°C. Set against its neighbours, May runs about 5°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11511
21611
31611
41611
51611
61612
71612
81612
91712
101712
111712
121713
131713
141713
151713
161813
171813
181814
191814
201814
211814
221814
231914
241915
251915
261915
271915
281915
291915
301916
312016

How May really feels in Nyūzen

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.

Nyūzen weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 26126.321.19.80.0
Feb / 19321.516.810.60.1
Mar / 18620.411.411.70.9
Apr12° / 14414.51.612.93.0
May18° / 13°14413.8013.95.2
Jun21° / 18°17113.4014.55.7
Jul26° / 23°24016.6014.35.6
Aug27° / 24°16815.4013.45.6
Sep24° / 21°21817.2012.35.5
Oct19° / 16°20516.70115.1
Nov13° / 10°20919.31.3103.0
Dec / 26324.513.19.50.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% 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 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24654
34654
44555
54654
64555
74555
84654
94555
104456
114456
124456
134456
144555
154555
164555
174555
184456
194555
204555
214555
224456
234456
244456
254456
264456
274357
284357
294357
304159
314159

Chance of precipitation in May

Any precipitation

Nyūzen gets around 144 mm of rain over 13.8 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 47% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
444
545
645
745
846
946
1046
1147
1247
1347
1447
1546
1646
1745
1845
1944
2044
2143
2242
2342
2441
2540
2640
2739
2838
2938
3037
3137

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 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19550
29550
39460
49370
59280
69190
790100
888111
987121
1086131
1185141
1284151
1383161
1482171
1580182
1678202
1777212
1875232
1973243
2071263
2168284
2266304
2363325
2461345
2558366
2654397
2751418
2848429
29454410
30424612
31394714

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 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
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 30 min at the start of May to 14 h 18 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 5:02 AM to 4:38 AM, and sunset from 6:32 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:026:32
213.55:016:33
313.65:006:34
413.64:596:35
513.64:586:36
613.74:576:37
713.74:566:37
813.74:556:38
913.84:546:39
1013.84:536:40
1113.84:526:41
1213.94:516:42
1313.94:506:43
1413.94:496:44
1513.94:486:44
1614.04:476:45
1714.04:466:46
1814.04:466:47
1914.14:456:48
2014.14:446:49
2114.14:436:49
2214.14:436:50
2314.24:426:51
2414.24:416:52
2514.24:416:53
2614.24:406:53
2714.24:406:54
2814.34:396:55
2914.34:396:56
3014.34:386:56
3114.34:386:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.68 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.82 kWh/m² to a high of 5.68 kWh/m² in May across the year — May's 5.68 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
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.9Bright
285.9Bright
295.9Bright
305.9Bright
315.9Bright
Planning a trip in May

Hazard calendar for Nyūzen

In seasonPeak

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

Nyūzen 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 Nyūzen?

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

5.2
Sightseeing
5th-best month of the year
1.5
Beach & pool
6th-best month of the year

May is a reasonable time to visit Nyūzen for sightseeing.

What to pack for Nyūzen in May

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

In May, Nyūzen sees daytime highs around 18°C and nights near 13°C. Worth packing: rain gear and sun protection. About 14 days see rain.

rain gearsun protection

Sea temperature near Nyūzen in May

The nearest coast averages about 15°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 13 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 18 to Nov 3 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Nyūzen 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 Nyūzen peaks around August 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 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 highModerateAug 10UV 10Dec 20UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Nyūzen 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 Nyūzen is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 139 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul14Moderate
Aug12Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Nyūzen?

Nyūzen sits at 36.9°N, 137.5°E, 24 m above sea level, in Japan. The nearest listed city is Kurobe-shi, 6.0 km away.

Topography around Nyūzen

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

Within 3 km, the terrain around Nyūzen has only modest variations in elevation — a maximum elevation change of 58 m around an average of 21 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,350 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,123 m.

The land around Nyūzen is covered by cropland (55%) and artificial surfaces (25%) within 3 km, water (53%) and trees (27%) within 16 km, and trees (51%) and water (37%) within 80 km.

3 km
58 m
16 km
1,350 m
80 km
3,123 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Kurobe-shi 6.0 km · Uozu 18 km · Namerikawa 23 km · Kamiichi 29 km · Itoigawa 33 km · Gohyakkoku 35 km · Toyama 37 km · Imizu 38 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 Nyūzen (36.9374°, 137.5006°, elevation 24 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).