Kariya weather in May

In May, Kariya sees average daytime highs of 19°C and overnight lows near 16°C, with 146 mm of rain across 10.2 wet days and about 13.8 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 31% of the time in May, and the air most often feels comfortable.

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 Kariya's 10th-clearest and 9th-windiest month. For the whole year in context, see Kariya's year-round climate.

Daytime high
19°
6th warmest
Overnight low
16°
7th coldest
Rainfall
146 mm
10.2 wet days
Daylight
13 h 48 min
5:04 AM – 6:53 PM
Cloud cover
62%
10th clearest
Wind
13 km/h
9th windiest
Solar energy
5.75 kWh/m²
Travel score
6.1
out of 10

Kariya is city in Hyogo Prefecture, Japan.

Density
410/km²
people per km²
Founded
1951

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 18°C in the first days to 21°C by the end.

A typical May day in Kariya reaches about 19°C in the afternoon and slips back to 16°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 21°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)
11814
21814
31814
41814
51814
61814
71915
81915
91915
101915
111915
121915
131915
141915
151915
161916
171916
182016
192016
202016
212016
222016
232016
242017
252017
262017
272117
282117
292117
302117
312118

How May really feels in Kariya

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.

Kariya weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 507.10.49.91.9
Feb / 637.70.610.72.0
Mar12° / 1129.9011.73.2
Apr16° / 11°13110.3012.84.9
May19° / 16°14610.2013.86.1
Jun23° / 20°18512.4014.36.0
Jul26° / 24°19312.8014.16.1
Aug28° / 25°11210.4013.36.1
Sep26° / 22°19512.3012.26.4
Oct21° / 17°1448.9011.16.8
Nov16° / 12°747010.25.5
Dec11° / 616.909.73.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24951
34951
44852
54753
64753
74654
84654
94555
104555
114555
124357
134456
144456
154456
164456
174555
184456
194555
204555
214456
224357
234456
244357
254258
264258
274159
284060
293961
303862
313763

Chance of precipitation in May

Any precipitation

Kariya gets around 146 mm of rain over 10.2 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 32% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
133
233
333
433
533
633
734
834
934
1034
1135
1235
1334
1434
1534
1633
1733
1832
1932
2031
2131
2231
2331
2431
2531
2630
2730
2830
2930
3030
3131

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1563491
25336101
35237101
45038111
54839121
64740131
74541131
84341141
94242151
104143161
113943171
123843181
133644191
143544201
153344221
163144241
172944261
182843281
192643302
202442322
212241342
222140363
231939383
241838404
251637424
261536445
271435466
281333477
291232488
301130509
3110285111

Wind in May

Winds average 13 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light 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 5:18 AM to 4:56 AM, and sunset from 6:41 PM to 7:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:186:41
213.45:176:42
313.45:166:43
413.55:156:43
513.55:146:44
613.55:136:45
713.65:126:46
813.65:116:47
913.65:106:48
1013.75:096:48
1113.75:086:49
1213.75:086:50
1313.75:076:51
1413.85:066:52
1513.85:056:52
1613.85:046:53
1713.85:046:54
1813.95:036:55
1913.95:026:55
2013.95:016:56
2113.95:016:57
2214.05:006:58
2314.05:006:58
2414.04:596:59
2514.04:587:00
2614.04:587:01
2714.14:577:01
2814.14:577:02
2914.14:577:03
3014.14:567:03
3114.14:567:04

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.75 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.43 kWh/m² to a high of 5.75 kWh/m² in May across the year — May's 5.75 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.7Bright
Planning a trip in May

Hazard calendar for Kariya

In seasonPeak

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

Kariya 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 Kariya?

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

6.1
Sightseeing
3rd-best month of the year
2.9
Beach & pool
6th-best month of the year

May is a reasonable time to visit Kariya for sightseeing.

What to pack for Kariya in May

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

In May, Kariya sees daytime highs around 19°C and nights near 16°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Kariya in May

The nearest coast averages about 17°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 14 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 12 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Cool
Dec16Cool

UV index in Kariya 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 Kariya peaks around July 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Kariya 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 Kariya is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1422 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Kariya?

Kariya sits at 34.8°N, 134.4°E, 5 m above sea level, in Japan. The nearest listed city is Aioi, 9.0 km away.

Topography around Kariya

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

Within 3 km, the terrain around Kariya has significant variations in elevation — a maximum elevation change of 292 m around an average of 34 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 440 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,489 m.

The land around Kariya is covered by trees (35%) and artificial surfaces (35%) within 3 km, water (45%) and trees (44%) within 16 km, and trees (58%) and water (27%) within 80 km.

3 km
292 m
16 km
440 m
80 km
1,489 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Aioi 9.0 km · Kamigōri 14 km · Bizen 14 km · Tatsuno 17 km · Tatsunochō-tominaga 20 km · Ikaruga 20 km · Setouchi 25 km · Sayō 28 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 Kariya (34.7514°, 134.3873°, elevation 5 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).