Gōtsuchō weather in May

In May, Gōtsuchō sees average daytime highs of 21°C and overnight lows near 15°C, with 122 mm of rain across 10.4 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 20°C in the first days to 23°C by the end. The sky is clear or mostly clear about 33% 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 Gōtsuchō's 4th-clearest and 8th-windiest month. For the whole year in context, see Gōtsuchō's year-round climate.

Daytime high
21°
5th warmest
Overnight low
15°
7th coldest
Rainfall
122 mm
10.4 wet days
Daylight
13 h 48 min
5:12 AM – 7:02 PM
Cloud cover
60%
4th clearest
Wind
12 km/h
8th windiest
Solar energy
5.67 kWh/m²
Travel score
6.4
out of 10

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 23°C by the end.

A typical May day in Gōtsuchō reaches about 21°C in the afternoon and slips back to 15°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 24°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)
12013
22013
32013
42013
52013
62013
72013
82014
92014
102114
112114
122114
132114
142114
152114
162115
172115
182115
192215
202215
212215
222215
232216
242216
252216
262216
272216
282216
292316
302316
312317

How May really feels in Gōtsuchō

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.

Gōtsuchō weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 11617.869.91.1
Feb / 10115.14.910.71.4
Mar12° / 12714.21.311.72.9
Apr17° / 10°11111.1012.95.2
May21° / 15°12210.4013.86.4
Jun24° / 19°17412.6014.36.2
Jul28° / 23°22014.7014.15.2
Aug29° / 25°14313.6013.34.8
Sep26° / 21°18513.4012.26.1
Oct21° / 16°10810.2011.16.6
Nov16° / 11°9611.4010.24.8
Dec11° / 12417.139.72.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% 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 (%)
14753
24852
34852
44753
54753
64654
74555
84456
94456
104357
114357
124357
134258
144258
154357
164357
174357
184357
194357
204357
214357
224357
234357
244456
254456
264357
274357
284357
294258
304159
314159

Chance of precipitation in May

Any precipitation

Gōtsuchō gets around 122 mm of rain over 10.4 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 33% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
232
332
432
532
633
733
833
933
1034
1134
1234
1334
1434
1534
1634
1734
1834
1933
2033
2133
2233
2333
2433
2533
2633
2733
2833
2933
3033
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 51% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1752041
2742051
3732151
4712261
5702361
6682471
7672571
8662671
9642781
10632881
11622981
12603181
13583291
14573391
15563491
165336101
175237101
185038111
194739121
204540132
214341142
224142152
233942172
243743182
253543202
263243222
273043243
282843263
292542294
302342314
312141345

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812calm
1912calm
2012calm
2112calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3110calm

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 5:27 AM to 5:04 AM, and sunset from 6:50 PM to 7:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:276:50
213.45:256:51
313.55:246:52
413.55:236:53
513.55:226:53
613.55:216:54
713.65:206:55
813.65:196:56
913.65:186:57
1013.75:176:57
1113.75:176:58
1213.75:166:59
1313.85:157:00
1413.85:147:01
1513.85:137:01
1613.85:127:02
1713.95:127:03
1813.95:117:04
1913.95:107:05
2013.95:107:05
2114.05:097:06
2214.05:087:07
2314.05:087:08
2414.05:077:08
2514.05:067:09
2614.15:067:10
2714.15:057:11
2814.15:057:11
2914.15:057:12
3014.15:047:13
3114.25:047:13

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 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
15.5Bright
25.5Bright
35.6Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.6Bright
135.6Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Gōtsuchō

In seasonPeak

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

Gōtsuchō 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 Gōtsuchō?

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

6.4
Sightseeing
2nd-best month of the year
4.0
Beach & pool
6th-best month of the year

May is a reasonable time to visit Gōtsuchō for sightseeing.

What to pack for Gōtsuchō in May

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

In May, Gōtsuchō sees daytime highs around 21°C and nights near 15°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Gōtsuchō 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 16 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 10 to Nov 17 — about 5.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun21Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec17Cool

UV index in Gōtsuchō 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 Gōtsuchō peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highExtremeVery highModerateJul 17UV 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Gōtsuchō 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 Gōtsuchō is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 923 µg/m³Oct 1011 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar23Moderate
Apr23Moderate
May20Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep11Good
Oct11Good
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Gōtsuchō?

Gōtsuchō sits at 35.0°N, 132.2°E, 31 m above sea level, in Japan. The nearest listed city is Hamada, 19 km away.

Topography around Gōtsuchō

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

Within 3 km, the terrain around Gōtsuchō has significant variations in elevation — a maximum elevation change of 460 m around an average of 65 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 616 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,327 m.

The land around Gōtsuchō is covered by trees (55%) and water (29%) within 3 km, trees (49%) and water (47%) within 16 km, and trees (61%) and water (34%) within 80 km.

3 km
460 m
16 km
616 m
80 km
1,327 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Hamada 19 km · Ōdachō-ōda 33 km · Yae 46 km · Masuda 51 km · Aki-takata 56 km · Miyoshi 61 km · Izumo 63 km · Unnan 67 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 Gōtsuchō (35.0086°, 132.2257°, elevation 31 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).