Shima weather in April

In April, Shima sees average daytime highs of 18°C and overnight lows near 13°C, with 149 mm of rain across 10.4 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 19°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 Shima's 8th-clearest and 6th-windiest month. For the whole year in context, see Shima's year-round climate.

Daytime high
18°
7th warmest
Overnight low
13°
5th coldest
Rainfall
149 mm
10.4 wet days
Daylight
12 h 54 min
5:27 AM – 6:19 PM
Cloud cover
56%
8th clearest
Wind
19 km/h
6th windiest
Solar energy
5.38 kWh/m²
Travel score
5.6
out of 10

Shima is city in Mie Prefecture, Japan.

Density
267/km²
people per km²
Founded
2004

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 16°C in the first days to 19°C by the end.

A typical April day in Shima 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 20°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)
11611
21611
31611
41611
51611
61612
71712
81712
91712
101712
111712
121713
131713
141713
151813
161813
171813
181813
191814
201814
211814
221814
231914
241914
251915
261915
271915
281915
291915
301915

How April really feels in Shima

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.

Shima weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan10° / 796.2102.8
Feb11° / 827.510.72.9
Mar14° / 14410.711.74.0
Apr18° / 13°14910.412.85.6
May21° / 17°17411.513.86.2
Jun24° / 21°25014.414.25.7
Jul27° / 25°1911414.15.6
Aug29° / 26°1381313.35.3
Sep26° / 23°25015.212.25.8
Oct22° / 19°27713.211.16.3
Nov18° / 14°1249.510.25.9
Dec13° / 786.99.74.1

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 12% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55149
65149
75248
85149
95149
105050
115050
125050
135050
144951
154951
164951
174753
184753
194753
204852
214852
224852
234852
244852
254852
264852
274852
284753
294753
304753

Chance of precipitation in April

Any precipitation

Shima gets around 149 mm of rain over 10.4 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
434
534
634
734
835
935
1035
1135
1236
1336
1436
1537
1637
1737
1837
1937
2036
2136
2236
2336
2435
2535
2635
2735
2835
2935
3035

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
191810
291810
390910
4881020
5871120
6871120
7861220
8851320
9841420
10841420
11831520
12811630
13801730
14781831
15761941
16752041
17732151
18732151
19712261
20712261
21692371
22672481
23652591
246326101
256226111
265927122
275827132
285628142
295528152
305328163

Wind in April

Winds average 19 km/h in April.

Across April, daily wind ranges from about 17 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
120light breeze
220light breeze
320light breeze
420light breeze
520light breeze
619light breeze
719light breeze
819light breeze
919light breeze
1019light breeze
1119light breeze
1219light breeze
1319light breeze
1419light breeze
1519light breeze
1618light breeze
1718light breeze
1818light breeze
1918light breeze
2018light breeze
2118light breeze
2218light breeze
2318light breeze
2418light breeze
2518light breeze
2618light breeze
2718light breeze
2818light breeze
2917light breeze
3017light 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 5:48 AM to 5:10 AM, and sunset from 6:07 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:486:07
212.45:466:08
312.45:456:08
412.45:436:09
512.55:426:10
612.55:416:11
712.55:396:12
812.65:386:12
912.65:376:13
1012.65:356:14
1112.75:346:15
1212.75:326:15
1312.85:316:16
1412.85:306:17
1512.85:286:18
1612.95:276:19
1712.95:266:19
1812.95:256:20
1913.05:236:21
2013.05:226:22
2113.05:216:23
2213.15:206:23
2313.15:186:24
2413.15:176:25
2513.25:166:26
2613.25:156:27
2713.25:146:27
2813.35:126:28
2913.35:116:29
3013.35:106:30

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.38 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 5.67 kWh/m² in May across the year — April's 5.38 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Shima

In seasonPeak

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

Shima 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 Shima?

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

5.6
Sightseeing
6th-best month of the year
1.7
Beach & pool
8th-best month of the year

April is a reasonable time to visit Shima for sightseeing.

What to pack for Shima in April

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

In April, Shima sees daytime highs around 18°C and nights near 13°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Shima 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 23 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 20 to Dec 2 — about 6.5 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar17Cool
Apr18Cool
May20Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Shima 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 Shima peaks around July 13 at about 10 (very high) — 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 highModerateJul 13UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shima 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 Shima is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 16 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2326 µg/m³Jul 2316 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb21Moderate
Mar26Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul16Moderate
Aug16Moderate
Sep17Moderate
Oct19Moderate
Nov21Moderate
Dec18Moderate
Location & terrain

Where is Shima?

Shima sits at 34.3°N, 136.8°E, 11 m above sea level, in Japan. The nearest listed city is Toba, 17 km away.

Topography around Shima

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

Within 3 km, the terrain around Shima has only modest variations in elevation — a maximum elevation change of 143 m around an average of 23 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 555 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,684 m.

The land around Shima is covered by trees (69%) within 3 km, water (53%) and trees (42%) within 16 km, and water (53%) and trees (34%) within 80 km.

3 km
143 m
16 km
555 m
80 km
1,684 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Toba 17 km · Ise 21 km · Tamaru 25 km · Saikū 29 km · Matsusaka 39 km · Minamichita 41 km · Toyohama 43 km · Hisai-motomachi 50 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 Shima (34.3333°, 136.8333°, 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).