Shimoda weather in April

In April, Shimoda sees average daytime highs of 16°C and overnight lows near 13°C, with 182 mm of rain across 12.5 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 14°C in the first days to 17°C by the end. The sky is clear or mostly clear about 37% 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 Shimoda's 8th-clearest and 7th-windiest month. For the whole year in context, see Shimoda's year-round climate.

Daytime high
16°
8th warmest
Overnight low
13°
5th coldest
Rainfall
182 mm
12.5 wet days
Daylight
12 h 54 min
5:18 AM – 6:11 PM
Cloud cover
58%
8th clearest
Wind
22 km/h
7th windiest
Solar energy
5.16 kWh/m²
Travel score
4.6
out of 10

Shimoda is city in Shizuoka prefecture, Japan.

Founded
1971

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 17°C by the end.

A typical April day in Shimoda reaches about 16°C in the afternoon and slips back to 13°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 18°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)
11411
21411
31411
41411
51511
61511
71511
81512
91512
101512
111512
121512
131612
141612
151613
161613
171613
181613
191613
201613
211613
221714
231714
241714
251714
261714
271714
281714
291715
301715

Shimoda 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 daysSnow daysDaylight (hours)Travel score
Jan10° / 1049.50.49.92.3
Feb10° / 1159.40.510.72.4
Mar12° / 19113.90.211.73.2
Apr16° / 13°18212.5012.84.6
May19° / 16°21012.3013.85.7
Jun22° / 20°28915014.35.5
Jul25° / 23°23613.8014.16.1
Aug26° / 24°14613013.36.2
Sep25° / 22°24015.3012.25.9
Oct21° / 18°26213.9011.16.0
Nov17° / 14°16311.6010.25.2
Dec12° / 10°9810.309.73.5

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% 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 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25149
35050
45050
55050
65050
75050
85050
95050
105050
114951
124951
134852
144852
154852
164753
174753
184753
194654
204555
214654
224654
234753
244654
254753
264753
274753
284753
294753
304654

Chance of precipitation in April

Any precipitation

Shimoda gets around 182 mm of rain over 12.5 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 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
145
245
344
444
544
644
744
843
943
1043
1143
1243
1343
1443
1543
1643
1743
1843
1942
2042
2142
2241
2341
2440
2540
2640
2739
2839
2938
3038

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 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
193700
292800
391900
490910
5891010
6881110
7881110
8871210
9861310
10861310
11851410
12841420
13831520
14821620
15811630
16801730
17791830
18791830
19761941
20752041
21732151
22712351
23692461
24692560
25662770
26632881
27612991
285831101
295632111
305433121

Wind in April

Winds average 22 km/h in April.

Across April, daily wind ranges from about 20 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
423breezy
523breezy
623breezy
723breezy
823breezy
923breezy
1023breezy
1123breezy
1222breezy
1322breezy
1422breezy
1522breezy
1622breezy
1722breezy
1822breezy
1922breezy
2022breezy
2122breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3020breezy

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 5:39 AM to 5:01 AM, and sunset from 5:59 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:395:59
212.45:385:59
312.45:366:00
412.45:356:01
512.55:336:02
612.55:326:03
712.55:316:03
812.65:296:04
912.65:286:05
1012.75:266:06
1112.75:256:07
1212.75:246:07
1312.85:226:08
1412.85:216:09
1512.85:206:10
1612.95:186:11
1712.95:176:11
1812.95:166:12
1913.05:146:13
2013.05:136:14
2113.05:126:15
2213.15:116:15
2313.15:096:16
2413.15:086:17
2513.25:076:18
2613.25:066:19
2713.25:056:19
2813.35:046:20
2913.35:026:21
3013.35:016:22

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.16 kWh/m².

For context, solar energy here swings from a low near 2.47 kWh/m² to a high of 5.58 kWh/m² in May across the year — April's 5.16 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.9Bright
54.9Bright
64.9Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.5Bright
305.5Bright
Planning a trip in April

Hazard calendar for Shimoda

In seasonPeak

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

Shimoda 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 Shimoda?

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

4.6
Sightseeing
8th-best month of the year
0.6
Beach & pool
8th-best month of the year

April is a reasonable time to visit Shimoda for sightseeing.

What to pack for Shimoda in April

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

In April, Shimoda sees daytime highs around 16°C and nights near 13°C. Worth packing: a warm layer, rain gear, sun protection and a windbreaker. About 13 days see rain.

a warm layerrain gearsun protectiona windbreaker

Sea temperature near Shimoda 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 offshore is warmest in August at about 26°C and coldest in February near 16°C.

It's comfortable for a long swim from May 24 to Dec 3 — about 6.4 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr18Cool
May20Cool
Jun22Refreshing
Jul24Warm
Aug26Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Shimoda 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 Shimoda peaks around July 24 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateJul 24UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Extreme
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shimoda 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 Shimoda is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1719 µg/m³Dec 168 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar18Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug10Good
Sep9Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Shimoda?

Shimoda sits at 34.7°N, 138.9°E, 11 m above sea level, in Japan. The nearest listed city is Shuzenji, 33 km away.

Topography around Shimoda

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

Within 3 km, the terrain around Shimoda has significant variations in elevation — a maximum elevation change of 330 m around an average of 62 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,060 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,746 m.

The land around Shimoda is covered by trees (66%) and water (22%) within 3 km, water (53%) and trees (45%) within 16 km, and water (75%) and trees (20%) within 80 km.

3 km
330 m
16 km
1,060 m
80 km
3,746 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Shuzenji 33 km · Izu 33 km · Itō 35 km · Izunokuni 40 km · Atami 47 km · Kamizawa 47 km · Numazu 48 km · Fushimi 49 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 Shimoda (34.6765°, 138.9446°, elevation 11 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).