Omaezaki weather in April

In April, Omaezaki sees average daytime highs of 17°C and overnight lows near 14°C, with 177 mm of rain across 11.8 wet days and about 12.8 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 18°C by the end. The sky is clear or mostly clear about 38% 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 Omaezaki's 8th-clearest and 6th-windiest month. For the whole year in context, see Omaezaki's year-round climate.

Daytime high
17°
8th warmest
Overnight low
14°
5th coldest
Rainfall
177 mm
11.8 wet days
Daylight
12 h 54 min
5:21 AM – 6:13 PM
Cloud cover
56%
8th clearest
Wind
25 km/h
6th windiest
Solar energy
5.24 kWh/m²
Travel score
5.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 18°C by the end.

A typical April day in Omaezaki reaches about 17°C in the afternoon and slips back to 14°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 19°C. Set against its neighbours, April runs about 3°C warmer than March and about 3°C cooler than May.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
11512
21512
31512
41512
51612
61612
71613
81613
91613
101613
111613
121613
131613
141714
151714
161714
171714
181714
191714
201714
211715
221715
231715
241815
251815
261815
271815
281815
291816
301816

Omaezaki weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 948.39.92.8
Feb11° / 1129.310.72.9
Mar14° / 10°18012.911.73.7
Apr17° / 14°17711.812.85.1
May20° / 18°20811.613.86.0
Jun22° / 21°29014.514.35.6
Jul26° / 24°24013.614.16.1
Aug27° / 26°13713.213.36.2
Sep25° / 24°24015.612.25.9
Oct22° / 20°25914.111.16.1
Nov18° / 15°16012.110.25.6
Dec13° / 10°949.59.74.1

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 38% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55248
65248
75248
85149
95149
105149
115050
125050
134951
144951
154852
164852
174852
184852
194852
204753
214753
224852
234852
244852
254852
264852
274852
284852
294753
304753

Chance of precipitation in April

Any precipitation

Omaezaki gets around 177 mm of rain over 11.8 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
241
341
441
540
640
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
2140
2239
2339
2439
2538
2638
2737
2837
2936
3036

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 72% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1891010
2881110
3881110
4871210
5861310
6851410
7841510
8831520
9821620
10811720
11791821
12771931
13762031
14752041
15742141
16722251
17712351
18692461
19692461
20672571
21652681
22632791
236227101
246028111
255829121
265630131
275430151
285330161
295131171
304931181

Wind in April

Winds average 25 km/h in April.

Across April, daily wind ranges from about 23 km/h on the calmest days to 26 km/h at its breeziest. It stays fairly steady from day to day.

0102030151015202530
Wind speed (km/h)Feels
126breezy
226breezy
326breezy
426breezy
526breezy
626breezy
725breezy
825breezy
925breezy
1025breezy
1125breezy
1225breezy
1325breezy
1425breezy
1525breezy
1625breezy
1724breezy
1824breezy
1924breezy
2024breezy
2124breezy
2224breezy
2324breezy
2424breezy
2523breezy
2623breezy
2723breezy
2823breezy
2923breezy
3023breezy

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 5:42 AM to 5:04 AM, and sunset from 6:01 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:426:01
212.45:416:02
312.45:396:03
412.45:386:04
512.55:366:05
612.55:356:05
712.55:346:06
812.65:326:07
912.65:316:08
1012.75:296:09
1112.75:286:09
1212.75:276:10
1312.85:256:11
1412.85:246:12
1512.85:236:13
1612.95:216:13
1712.95:206:14
1812.95:196:15
1913.05:176:16
2013.05:166:17
2113.05:156:17
2213.15:146:18
2313.15:126:19
2413.15:116:20
2513.25:106:21
2613.25:096:21
2713.25:086:22
2813.35:076:23
2913.35:056:24
3013.35:046:25

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.24 kWh/m².

For context, solar energy here swings from a low near 2.6 kWh/m² to a high of 5.59 kWh/m² in May across the year — April's 5.24 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Omaezaki

In seasonPeak

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

Omaezaki 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 Omaezaki?

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

5.1
Sightseeing
8th-best month of the year
1.0
Beach & pool
8th-best month of the year

April is a reasonable time to visit Omaezaki for sightseeing.

What to pack for Omaezaki in April

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

In April, Omaezaki sees daytime highs around 17°C and nights near 14°C. Worth packing: a warm layer, rain gear, sun protection and a windbreaker. About 12 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Omaezaki in April

The nearest coast averages about 17°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 February near 16°C.

It's comfortable for a long swim from May 25 to Nov 29 — about 6.2 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Omaezaki 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 Omaezaki peaks around August 10 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 highExtremeVery highModerateAug 10UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Omaezaki 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 Omaezaki is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May19Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep10Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Omaezaki?

Omaezaki sits at 34.6°N, 138.2°E, 43 m above sea level, in Japan. The nearest listed city is Ōyama, 1.0 km away.

Topography around Omaezaki

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

Within 3 km, the terrain around Omaezaki has only modest variations in elevation — a maximum elevation change of 51 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 154 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,297 m.

The land around Omaezaki is covered by water (74%) within 3 km, water (82%) within 16 km, and water (56%) and trees (36%) within 80 km.

3 km
51 m
16 km
154 m
80 km
2,297 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Ōyama 1.0 km · Sagara 10 km · Kikugawa 15 km · Sumiyoshi 17 km · Maruobara 17 km · Shimada 24 km · Kanaya 26 km · Kakegawa 26 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 Omaezaki (34.5988°, 138.2193°, elevation 43 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).