Uozu weather in April

In April, Uozu sees average daytime highs of 12°C and overnight lows near 5°C, with 171 mm of precipitation across 15.4 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 12th-wettest month of the year here.

Highs climb over the month, from about 9°C in the first days to 15°C by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Uozu's 1st-clearest and 4th-windiest month. For the whole year in context, see Uozu's year-round climate.

Daytime high
12°
7th warmest
Overnight low
5th coldest
Precipitation
171 mm
15.4 wet days
Daylight
12 h 54 min
5:22 AM – 6:19 PM
Cloud cover
61%
1st clearest
Wind
8 km/h
4th windiest
Solar energy
5.31 kWh/m²
Travel score
2.8
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 April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 9°C in the first days to 15°C by the end.

A typical April day in Uozu reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 17°C. Set against its neighbours, April runs about 6°C warmer than March and about 6°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
192
292
392
492
5103
6103
7103
8103
9113
10114
11114
12114
13114
14125
15125
16125
17125
18135
19136
20136
21136
22146
23146
24147
25147
26147
27157
28157
29158
30158

How April really feels in Uozu

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 3 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
3
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Uozu weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 12th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24357
34456
44456
54456
64555
74555
84555
94654
104654
114654
124555
134555
144456
154456
164357
174456
184357
194357
204357
214357
224357
234357
244357
254357
264258
274357
284357
294357
304456

Chance of precipitation in April

Any precipitationSnow

Uozu gets around 171 mm of rain and snow over 15.4 wet days in April, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 52% and peaks near 58% on the wettest days, and about 5 days bring snow. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
15834
25733
35732
45730
55729
65628
75627
85525
95524
105422
115421
125320
135219
145217
155116
165115
175014
185014
194913
204912
214911
224811
234810
244810
25489
26489
27488
28488
29487
30477

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
22991
23991
24991
25991
26991
27991
28991
29982
30982

Wind in April

Winds average 8 km/h in April.

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

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:45 AM to 5:04 AM, and sunset from 6:06 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:456:06
212.45:436:06
312.45:416:07
412.55:406:08
512.55:386:09
612.65:376:10
712.65:356:11
812.65:346:12
912.75:336:13
1012.75:316:14
1112.75:306:14
1212.85:286:15
1312.85:276:16
1412.95:256:17
1512.95:246:18
1612.95:226:19
1713.05:216:20
1813.05:206:21
1913.15:186:21
2013.15:176:22
2113.15:166:23
2213.25:146:24
2313.25:136:25
2413.25:126:26
2513.35:106:27
2613.35:096:28
2713.35:086:29
2813.45:076:30
2913.45:056:30
3013.55:046:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.31 kWh/m².

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 — April's 5.31 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Uozu

In seasonPeak

In April, 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 April a good time to visit Uozu?

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

2.8
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Uozu.

What to pack for Uozu in April

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

In April, Uozu sees daytime highs around 12°C and nights near 5°C. Pack rain gear. Worth having: a warm layer and sun protection. About 15 days see rain.

rain geara warm layersun protection

Sea temperature near Uozu in April

The nearest coast averages about 11°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).