Shima weather in May

In May, Shima sees average daytime highs of 21°C and overnight lows near 17°C, with 174 mm of rain across 11.5 wet days and about 13.8 hours of daylight. It is the 6th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 22°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels humid.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 06 min by month's end. Set against the rest of the year, May is Shima's 10th-clearest and 9th-windiest month. For the whole year in context, see Shima's year-round climate.

Daytime high
21°
6th warmest
Overnight low
17°
7th coldest
Rainfall
174 mm
11.5 wet days
Daylight
13 h 48 min
4:55 AM – 6:42 PM
Cloud cover
65%
10th clearest
Wind
16 km/h
9th windiest
Solar energy
5.67 kWh/m²
Travel score
6.2
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 20°C in the first days to 22°C by the end.

A typical May day in Shima reaches about 21°C in the afternoon and slips back to 17°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 23°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12015
22016
32016
42016
52016
62016
72016
82016
92016
102117
112117
122117
132117
142117
152117
162117
172117
182117
192118
202218
212218
222218
232218
242218
252218
262218
272219
282219
292219
302219
312219

How May really feels in Shima

Once humidity and wind are folded in, May 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

May 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 May compares with the rest of the year at a glance. May is the 6th-warmest and 5th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34555
44555
54456
64456
74357
84258
94159
104060
113961
123961
133961
143961
153862
163862
173862
183862
193961
203862
213862
223862
233862
243862
253862
263763
273763
283763
293565
303565
313565

Chance of precipitation in May

Any precipitation

Shima gets around 174 mm of rain over 11.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 36% and peaks near 39% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
235
336
436
537
637
738
838
939
1039
1139
1239
1338
1438
1537
1637
1736
1836
1935
2035
2134
2234
2334
2434
2534
2633
2733
2834
2934
3034
3135

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 32% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
151291730
249291830
347301930
445312140
543312240
641322340
740322440
838332550
936332650
1035342650
1133352750
1232352860
1330362860
1429362960
1527363060
1626363170
1724363270
1823363380
1922363480
2021353590
21203436100
22193337100
23183338110
24173140120
25163041130
26152942140
27142743150
28132644161
29122445181
30112346191
31112146211

Wind in May

Winds average 16 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
517light breeze
617light breeze
717light breeze
817light breeze
917light breeze
1017light breeze
1117light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze
3115light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:09 AM to 4:47 AM, and sunset from 6:31 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:096:31
213.45:086:31
313.45:076:32
413.45:066:33
513.55:056:34
613.55:046:35
713.55:036:35
813.65:026:36
913.65:016:37
1013.65:006:38
1113.74:596:39
1213.74:596:39
1313.74:586:40
1413.74:576:41
1513.84:566:42
1613.84:556:42
1713.84:556:43
1813.84:546:44
1913.94:536:45
2013.94:536:45
2113.94:526:46
2213.94:516:47
2313.94:516:48
2414.04:506:48
2514.04:506:49
2614.04:496:50
2714.04:496:51
2814.14:486:51
2914.14:486:52
3014.14:476:53
3114.14:476:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.67 kWh/m² — the sunniest month for solar.

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 — May's 5.67 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in May

Hazard calendar for Shima

In seasonPeak

In May, 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 May a good time to visit Shima?

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

6.2
Sightseeing
2nd-best month of the year
3.8
Beach & pool
6th-best month of the year

May is a reasonable time to visit Shima for sightseeing.

What to pack for Shima in May

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

In May, Shima sees daytime highs around 21°C and nights near 17°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Shima in May

The nearest coast averages about 20°C in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).