Uozu weather in May

In May, Uozu sees average daytime highs of 18°C and overnight lows near 11°C, with 180 mm of precipitation across 15.6 wet days and about 13.9 hours of daylight. It is the 5th-warmest and 11th-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 27% 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 Uozu's 4th-clearest and 7th-windiest month. For the whole year in context, see Uozu's year-round climate.

Daytime high
18°
5th warmest
Overnight low
11°
7th coldest
Precipitation
180 mm
15.6 wet days
Daylight
14 hours
4:48 AM – 6:45 PM
Cloud cover
64%
4th clearest
Wind
7 km/h
7th windiest
Solar energy
5.66 kWh/m²
Travel score
5.0
out of 10

Uozu is city in Toyama Prefecture, Japan.

Density
229/km²
people per km²
Founded
1952

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 Uozu reaches about 18°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
1168
2168
3168
4169
5169
6169
7179
8179
91710
101710
111710
121710
131710
141810
151811
161811
171811
181811
191811
201811
211912
221912
231912
241912
251912
261912
271913
281913
291913
302013
312013

How May really feels in Uozu

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.

Uozu weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -3°24224.623.59.80.0
Feb / -3°19520.41910.60.0
Mar / -1°20620.115.611.70.4
Apr12° / 17115.45.312.92.8
May18° / 11°18015.60.413.95.0
Jun21° / 16°23316.5014.55.2
Jul25° / 20°31521.1014.34.9
Aug27° / 21°21719.2013.45.2
Sep23° / 17°24317.6012.25.3
Oct17° / 11°20916.10.4114.7
Nov11° / 19318.15.7102.2
Dec / -0°24022.617.89.50.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% 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 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34555
44456
54456
64456
74456
84258
94357
104357
114357
124258
134357
144357
154357
164357
174258
184258
194258
204258
214258
224258
234258
244159
254060
264060
274060
283961
293862
303763
313862

Chance of precipitation in May

Any precipitationSnow

Uozu gets around 180 mm of rain and snow over 15.6 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 49% and peaks near 53% on the wettest days, and about 0 day brings snow.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
1476
2476
3475
4485
5484
6484
7493
8503
9502
10512
11512
12522
13521
14531
15531
16531
17521
18521
19520
20510
21500
22500
23490
24480
25480
26470
27460
28450
29440
30440
31440

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 87% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19820
29730
39730
49640
59640
69550
79550
89361
99361
109271
119271
129271
139181
149181
159091
169091
1789101
1888111
1987121
2085132
2184142
2283152
2382162
2481172
2579192
2677212
2776222
2873243
2971263
3068284
3165314

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:03 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)
113.55:036:32
213.55:026:33
313.65:016:34
413.65:006:35
513.64:586:36
613.74:576:37
713.74:566:38
813.74:556:38
913.84:546:39
1013.84:536:40
1113.84:526:41
1213.84:516:42
1313.94:506:43
1413.94:506:44
1513.94:496:45
1614.04:486:45
1714.04:476:46
1814.04:466:47
1914.04:466:48
2014.14:456:49
2114.14:446:50
2214.14:436:50
2314.14:436:51
2414.24:426:52
2514.24:426:53
2614.24:416:53
2714.24:406:54
2814.34:406:55
2914.34:396:56
3014.34:396:56
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 5.66 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.02 kWh/m² to a high of 5.66 kWh/m² in May across the year — May's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Hazard calendar for Uozu

In seasonPeak

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

Uozu 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 Uozu?

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

5.0
Sightseeing
4th-best month of the year
1.6
Beach & pool
5th-best month of the year

May is a reasonable time to visit Uozu for sightseeing.

What to pack for Uozu in May

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

In May, Uozu sees daytime highs around 18°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 16 days see rain.

rain gearsun protection

Sea temperature near Uozu 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 offshore 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 Uozu 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 Uozu 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 Uozu 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 Uozu 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 Uozu?

Uozu sits at 36.8°N, 137.4°E, 13 m above sea level, in Japan. The nearest listed city is Namerikawa, 6.0 km away.

Topography around Uozu

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

Within 3 km, the terrain around Uozu has only modest variations in elevation — a maximum elevation change of 228 m around an average of 35 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,841 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,123 m.

The land around Uozu is covered by artificial surfaces (34%), cropland (26%) and water (21%) within 3 km, trees (34%) and water (34%) within 16 km, and trees (57%) and water (31%) within 80 km.

3 km
228 m
16 km
1,841 m
80 km
3,123 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Namerikawa 6.0 km · Kamiichi 12 km · Kurobe-shi 12 km · Gohyakkoku 17 km · Nyūzen 18 km · Toyama 20 km · Imizu 25 km · Nishishinminato 29 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 Uozu (36.8°, 137.4°, elevation 13 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).