Ōuda-yamaguchi weather in April

In April, Ōuda-yamaguchi sees average daytime highs of 17°C and overnight lows near 7°C, with 139 mm of precipitation across 11.6 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 19°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 18 min at the start of April to 13 h 18 min by month's end. Set against the rest of the year, April is Ōuda-yamaguchi's 6th-clearest and 5th-windiest month. For the whole year in context, see Ōuda-yamaguchi's year-round climate.

Daytime high
17°
7th warmest
Overnight low
6th coldest
Precipitation
139 mm
11.6 wet days
Daylight
12 h 54 min
5:31 AM – 6:22 PM
Cloud cover
61%
6th clearest
Wind
9 km/h
5th windiest
Solar energy
5.07 kWh/m²
Travel score
5.0
out of 10

Ōuda-yamaguchi is city in Nara Prefecture, Japan.

Density
114/km²
people per km²
Founded
2006

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 14°C in the first days to 19°C by the end.

A typical April day in Ōuda-yamaguchi reaches about 17°C in the afternoon and slips back to 7°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 21°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1144
2144
3144
4154
5155
6155
7155
8155
9166
10166
11166
12166
13166
14167
15177
16177
17177
18177
19178
20188
21188
22188
23188
24188
25189
26199
27199
28199
29199
301910

How April really feels in Ōuda-yamaguchi

Once humidity and wind are folded in, April 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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ōuda-yamaguchi weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -1°749.34.4100.5
Feb / -1°829.73.710.70.9
Mar11° / 13413.62.211.72.6
Apr17° / 13911.60.312.85.0
May21° / 12°16612.2013.86.1
Jun25° / 17°25316014.35.5
Jul28° / 21°23218.2014.14.6
Aug30° / 22°17615.5013.34.5
Sep26° / 18°21915.1012.25.7
Oct20° / 12°20112011.16.1
Nov14° / 988.5010.24.5
Dec / 748.81.89.71.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24753
34753
44753
54654
64753
74654
84654
94654
104654
114555
124555
134456
144258
154258
164159
174159
184159
194159
204159
214159
224159
234159
244258
254258
264258
274258
284258
294258
304258

Chance of precipitation in April

Any precipitationSnow

Ōuda-yamaguchi gets around 139 mm of rain and snow over 11.6 wet days in April. 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 42% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1423
2413
3403
4403
5393
6392
7392
8392
9392
10391
11391
12401
13401
14401
15410
16410
17410
18410
19410
20400
21400
22400
23390
24380
25380
26370
27370
28360
29360
30350

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 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
19820
29730
39730
49631
59631
69631
79631
89631
99541
109541
119541
129631
139631
149631
159631
169532
179532
189442
199442
209442
219352
229352
239262
249262
259073
268983
278893
288893
2986104
3085114

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 5:51 AM to 5:14 AM, and sunset from 6:11 PM to 6:33 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:516:11
212.45:506:11
312.45:486:12
412.45:476:13
512.55:466:14
612.55:446:14
712.55:436:15
812.65:416:16
912.65:406:17
1012.65:396:18
1112.75:376:18
1212.75:366:19
1312.85:356:20
1412.85:336:21
1512.85:326:21
1612.95:316:22
1712.95:296:23
1812.95:286:24
1913.05:276:25
2013.05:256:25
2113.05:246:26
2213.15:236:27
2313.15:226:28
2413.15:206:29
2513.25:196:29
2613.25:186:30
2713.25:176:31
2813.35:166:32
2913.35:156:33
3013.35:146:33

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.07 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 5.35 kWh/m² in May across the year — April's 5.07 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.3Bright
305.3Bright
Planning a trip in April

Hazard calendar for Ōuda-yamaguchi

In seasonPeak

In April, Ōuda-yamaguchi sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Ōuda-yamaguchi 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 Ōuda-yamaguchi?

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

5.0
Sightseeing
5th-best month of the year
1.2
Beach & pool
7th-best month of the year

April is a reasonable time to visit Ōuda-yamaguchi for sightseeing.

What to pack for Ōuda-yamaguchi in April

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

In April, Ōuda-yamaguchi sees daytime highs around 17°C and nights near 7°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Ōuda-yamaguchi in April

The nearest coast averages about 18°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 54 km away) is warmest in August at about 27°C and coldest in February near 16°C.

It's comfortable for a long swim from May 21 to Nov 29 — about 6.3 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr18Cool
May20Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec19Cool

UV index in Ōuda-yamaguchi 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 Ōuda-yamaguchi peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJun 20UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul10Very high
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Ōuda-yamaguchi 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 Ōuda-yamaguchi is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ōuda-yamaguchi?

Ōuda-yamaguchi sits at 34.5°N, 136.0°E, 398 m above sea level, in Japan. The nearest listed city is Haibara-akanedai, 8.0 km away.

Topography around Ōuda-yamaguchi

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

Within 3 km, the terrain around Ōuda-yamaguchi has only modest variations in elevation — a maximum elevation change of 245 m around an average of 409 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,367 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,882 m.

The land around Ōuda-yamaguchi is covered by trees (80%) within 3 km, trees (88%) within 16 km, and trees (62%) within 80 km.

3 km
245 m
16 km
1,367 m
80 km
1,882 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Haibara-akanedai 8.0 km · Sakurai 11 km · Kashihara-shi 16 km · Kashiwara 17 km · Shimobuchi 17 km · Tenri 18 km · Tawaramoto 18 km · Yamato-Takada 20 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 Ōuda-yamaguchi (34.4592°, 135.9536°, elevation 398 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).