Yatomi weather in May

In May, Yatomi sees average daytime highs of 24°C and overnight lows near 15°C, with 154 mm of rain across 11.1 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 25°C by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Yatomi's 10th-clearest and 6th-windiest month. For the whole year in context, see Yatomi's year-round climate.

Daytime high
24°
5th warmest
Overnight low
15°
7th coldest
Rainfall
154 mm
11.1 wet days
Daylight
13 h 48 min
4:54 AM – 6:44 PM
Cloud cover
65%
10th clearest
Wind
12 km/h
6th windiest
Solar energy
5.54 kWh/m²
Travel score
6.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 25°C by the end.

A typical May day in Yatomi reaches about 24°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, May runs about 4°C warmer than April and about 3°C cooler than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52214
62214
72314
82314
92314
102314
112315
122315
132315
142315
152315
162415
172415
182416
192416
202416
212416
222416
232416
242416
252517
262517
272517
282517
292517
302517
312518

How May really feels in Yatomi

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.

Yatomi weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan10° / 585.50.29.92.4
Feb11° / 636.50.510.72.7
Mar14° / 11410.30.111.74.2
Apr19° / 10°12710.1012.96.0
May24° / 15°15411.1013.86.6
Jun27° / 20°19514.3014.35.5
Jul30° / 24°20616.2014.14.0
Aug32° / 25°13714013.33.7
Sep28° / 21°22213.7012.25.3
Oct23° / 15°19510.8011.16.8
Nov17° / 917010.26.0
Dec12° / 596.109.73.7

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% 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 (%)
14654
24654
34654
44555
54555
64357
74258
84258
94159
104159
114060
124060
133961
143961
153961
163961
173961
183961
193961
203961
213961
223961
233961
243862
253862
263763
273763
283763
293763
303664
313664

Chance of precipitation in May

Any precipitation

Yatomi gets around 154 mm of rain over 11.1 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 35% and peaks near 38% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
335
435
536
636
737
837
938
1038
1138
1238
1338
1438
1537
1637
1736
1836
1935
2035
2134
2234
2334
2433
2533
2632
2732
2832
2932
3032
3133

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1682471
2662482
3652582
4632692
56127102
66028102
75928112
85629123
95530123
105430133
115331133
125132143
135033143
144834153
154735163
164536163
174336173
184237183
194037193
203838203
213738214
223538234
233438244
243238254
253038275
262938285
272738306
282537316
292436337
302236348
312135359

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 48 minutes over May. Sunrise moves from 5:08 AM to 4:45 AM, and sunset from 6:32 PM to 6:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:086:32
213.45:076:33
313.55:066:34
413.55:056:35
513.55:046:35
613.65:036:36
713.65:026:37
813.65:016:38
913.65:006:39
1013.74:596:40
1113.74:586:40
1213.74:576:41
1313.84:576:42
1413.84:566:43
1513.84:556:44
1613.84:546:44
1713.94:536:45
1813.94:536:46
1913.94:526:47
2013.94:516:48
2114.04:516:48
2214.04:506:49
2314.04:496:50
2414.04:496:51
2514.14:486:51
2614.14:486:52
2714.14:476:53
2814.14:476:53
2914.14:466:54
3014.14:466:55
3114.24:456:55

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.54 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.54 kWh/m² in May across the year — May's 5.54 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Hazard calendar for Yatomi

In seasonPeak

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

Yatomi 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 Yatomi?

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

6.6
Sightseeing
2nd-best month of the year
5.3
Beach & pool
5th-best month of the year

May is a reasonable time to visit Yatomi for sightseeing.

What to pack for Yatomi in May

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

In May, Yatomi sees daytime highs around 24°C and nights near 15°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Yatomi in May

The nearest coast averages about 18°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 27 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 May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul26Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Yatomi 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 Yatomi 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 2 (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 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Yatomi 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 Yatomi is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Aug 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun21Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Yatomi?

Yatomi sits at 35.1°N, 136.7°E, 0 m above sea level, in Japan. The nearest listed city is Aisai, 6.0 km away.

Topography around Yatomi

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

Within 3 km, the terrain around Yatomi has only modest variations in elevation — a maximum elevation change of 15 m around an average of -1 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 697 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,596 m.

The land around Yatomi is covered by cropland (41%) and artificial surfaces (40%) within 3 km, artificial surfaces (40%), cropland (22%) and water (22%) within 16 km, and trees (57%) within 80 km.

3 km
15 m
16 km
697 m
80 km
1,596 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Aisai 6.0 km · Kanie 7.0 km · Tsushima 7.0 km · Haruta 8.0 km · Kuwana 8.0 km · Ama 11 km · Ōharu 11 km · Toyoda 12 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 Yatomi (35.1053°, 136.7338°, elevation 0 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).