Shimoda weather in April

In April, Shimoda sees average daytime highs of 18°C and overnight lows near 13°C, with 184 mm of rain across 10.9 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 17°C in the first days to 20°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 7th-clearest and 5th-windiest month. For the whole year in context, see Shimoda's year-round climate.

Daytime high
18°
7th warmest
Overnight low
13°
5th coldest
Rainfall
184 mm
10.9 wet days
Daylight
12 h 48 min
5:44 AM – 6:33 PM
Cloud cover
56%
7th clearest
Wind
15 km/h
5th windiest
Solar energy
5.27 kWh/m²
Travel score
5.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 20°C by the end.

A typical April day in Shimoda reaches about 18°C in the afternoon and slips back to 13°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 21°C. Set against its neighbours, April runs about 4°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11711
21711
31711
41712
51712
61712
71712
81812
91812
101813
111813
121813
131813
141813
151813
161913
171913
181914
191914
201914
211914
221914
231914
242014
252015
262015
272015
282015
292015
302015

How April really feels in Shimoda

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.

Shimoda 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 daysDaylight (hours)Travel score
Jan11° / 766.410.12.9
Feb12° / 968.210.83.2
Mar15° / 15711.411.74.3
Apr18° / 13°18410.912.85.8
May22° / 17°21311.813.76.3
Jun25° / 21°35116.514.15.5
Jul28° / 24°26215.4145.2
Aug29° / 25°21916.113.24.8
Sep27° / 23°27815.912.25.6
Oct23° / 18°21811.211.26.8
Nov18° / 13°1288.910.36.1
Dec13° / 906.79.94.1

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 11% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65149
75149
85149
95050
104951
114951
124951
134852
144753
154753
164753
174654
184753
194753
204753
214753
224852
234852
244951
254951
264852
274852
284852
294753
304654

Chance of precipitation in April

Any precipitation

Shimoda gets around 184 mm of rain over 10.9 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 37% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
236
335
435
535
635
735
835
935
1035
1136
1236
1337
1437
1538
1639
1739
1839
1939
2039
2139
2238
2338
2438
2538
2637
2737
2837
2937
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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1841240
2821350
3811351
4801451
5781561
6781561
7771661
8761671
9751771
10751771
11741871
12721981
13712081
14702181
15672292
16672292
17662392
18652492
19642592
206126103
216027103
225828113
235728123
245529133
255230144
265130154
274930164
284831175
294631185
304431196

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze

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 6:04 AM to 5:28 AM, and sunset from 6:22 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:046:22
212.36:026:23
312.46:016:23
412.46:006:24
512.45:586:25
612.55:576:25
712.55:566:26
812.55:546:27
912.65:536:28
1012.65:526:28
1112.65:506:29
1212.75:496:30
1312.75:486:31
1412.75:466:31
1512.85:456:32
1612.85:446:33
1712.85:436:33
1812.95:416:34
1912.95:406:35
2012.95:396:36
2113.05:386:36
2213.05:376:37
2313.05:356:38
2413.15:346:39
2513.15:336:39
2613.15:326:40
2713.25:316:41
2813.25:306:42
2913.25:296:42
3013.35:286:43

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.27 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 5.46 kWh/m² in May across the year — April's 5.27 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
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).

5.8
Sightseeing
4th-best month of the year
2.2
Beach & pool
7th-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 18°C and nights near 13°C. Worth packing: rain gear and sun protection. About 11 days see rain.

rain gearsun protection

Sea temperature near Shimoda in April

The nearest coast averages about 19°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 15 km away) is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 27 to Dec 25 — about 8 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr19Cool
May21Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

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 June 23 at about 11 (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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very 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 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1420 µg/m³Oct 1410 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Shimoda?

Shimoda sits at 32.9°N, 133.0°E, 10 m above sea level, in Japan. The nearest listed city is Nakamura, 6.0 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 only modest variations in elevation — a maximum elevation change of 176 m around an average of 27 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 866 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,527 m.

The land around Shimoda is covered by trees (44%) and water (40%) within 3 km, trees (51%) and water (43%) within 16 km, and water (58%) and trees (40%) within 80 km.

3 km
176 m
16 km
866 m
80 km
1,527 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Nakamura 6.0 km · Sukumo 24 km · Mishōhirajō 39 km · Uwajima 50 km · Susaki 57 km · Uwa 64 km · Ōzu 74 km · Uchiko 74 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 (32.9458°, 132.9863°, elevation 10 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).