Gotō weather in May

In May, Gotō sees average daytime highs of 20°C and overnight lows near 18°C, with 154 mm of rain across 9.4 wet days and about 13.7 hours of daylight. It is the 6th-warmest and 5th-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 32% of the time in May, and the air most often feels humid.

Daylight stretches from about 13 h 18 min at the start of May to 14 hours by month's end. Set against the rest of the year, May is Gotō's 6th-clearest and 10th-windiest month. For the whole year in context, see Gotō's year-round climate.

Daytime high
20°
6th warmest
Overnight low
18°
7th coldest
Rainfall
154 mm
9.4 wet days
Daylight
13 h 42 min
5:31 AM – 7:11 PM
Cloud cover
62%
6th clearest
Wind
21 km/h
10th windiest
Solar energy
5.61 kWh/m²
Travel score
6.2
out of 10

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 Gotō reaches about 20°C in the afternoon and slips back to 18°C overnight — a 2°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 3°C warmer than April and about 3°C cooler than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11816
21816
31817
41817
51817
61917
71917
81917
91917
101917
111917
121917
131918
141918
151918
162018
172018
182018
192018
202018
212018
222019
232019
242019
252019
262019
272119
282119
292119
302119
312119

How May really feels in Gotō

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.

Gotō 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
Jan11° / 8612.410.12.4
Feb11° / 8610.710.82.7
Mar14° / 11°13511.511.83.7
Apr16° / 14°14810.112.85.1
May20° / 18°1549.413.76.2
Jun23° / 21°30814.114.15.8
Jul26° / 25°22511.913.96.2
Aug28° / 26°16212.613.26.1
Sep26° / 24°19712.112.26.5
Oct22° / 20°1267.311.27.2
Nov18° / 16°999.410.35.8
Dec13° / 11°8711.49.93.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14654
24555
34555
44456
54456
64456
74357
84357
94357
104258
114258
124258
134258
144258
154258
164258
174258
184258
194258
204357
214357
224357
234357
244456
254357
264357
274456
284357
294357
304258
314258

Chance of precipitation in May

Any precipitation

Gotō gets around 154 mm of rain over 9.4 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 31% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
434
534
634
734
834
933
1033
1133
1232
1332
1431
1531
1630
1730
1830
1929
2029
2129
2228
2328
2428
2528
2628
2728
2828
2929
3029
3130

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 12% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
140312540
238312640
336322750
435332850
533332850
631342960
729353060
828353070
927363170
1025363170
1124363280
1222363380
1321363480
1420363590
1518363690
16173538100
17163439110
18153341110
19143242120
20133043130
21122945140
22112846150
23112747150
24102548170
2592449180
2682251190
2782150211
2871950231
2961751251
3061650281
3151549311

Wind in May

Winds average 21 km/h in May.

Across May, daily wind ranges from about 19 km/h on the calmest days to 23 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
123breezy
223breezy
323breezy
422breezy
522breezy
622breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1221breezy
1321breezy
1421breezy
1521breezy
1621breezy
1721breezy
1820breezy
1920breezy
2020breezy
2120light breeze
2220light breeze
2320light breeze
2420light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 18 min at the start of May to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:44 AM to 5:23 AM, and sunset from 7:00 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:447:00
213.35:437:01
313.35:427:02
413.45:417:02
513.45:407:03
613.45:397:04
713.45:387:05
813.55:377:05
913.55:367:06
1013.55:357:07
1113.65:357:08
1213.65:347:08
1313.65:337:09
1413.65:327:10
1513.75:317:11
1613.75:317:11
1713.75:307:12
1813.75:297:13
1913.75:297:13
2013.85:287:14
2113.85:287:15
2213.85:277:15
2313.85:267:16
2413.85:267:17
2513.95:257:18
2613.95:257:18
2713.95:257:19
2813.95:247:19
2913.95:247:20
3014.05:237:21
3114.05:237:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.61 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.09 kWh/m² to a high of 5.61 kWh/m² in May across the year — May's 5.61 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.6Bright
145.6Bright
155.6Bright
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
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Hazard calendar for Gotō

In seasonPeak

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

Gotō 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 Gotō?

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

6.2
Sightseeing
3rd-best month of the year
3.0
Beach & pool
6th-best month of the year

May is a reasonable time to visit Gotō for sightseeing.

What to pack for Gotō in May

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

In May, Gotō sees daytime highs around 20°C and nights near 18°C. Worth packing: rain gear, sun protection and a windbreaker. About 9 days see rain.

rain gearsun protectiona windbreaker

Sea temperature near Gotō in May

The nearest coast averages about 19°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 23 to Dec 7 — about 6.5 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Gotō in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gotō peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 14UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun9Very high
Jul10Extreme
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gotō 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 Gotō is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (July, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1023 µg/m³Jul 2310 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May20Moderate
Jun16Moderate
Jul10Good
Aug11Good
Sep11Good
Oct11Good
Nov14Moderate
Dec12Moderate
Location & terrain

Where is Gotō?

Gotō sits at 32.7°N, 128.8°E, 46 m above sea level, in Japan. The nearest listed city is Fukuechō, 4.0 km away.

Topography around Gotō

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

Within 3 km, the terrain around Gotō has significant variations in elevation — a maximum elevation change of 410 m around an average of 87 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 443 m; within 80 km, significant variations in elevation — a maximum elevation change of 422 m.

The land around Gotō is covered by trees (65%) and cropland (20%) within 3 km, water (58%) and trees (35%) within 16 km, and water (95%) within 80 km.

3 km
410 m
16 km
443 m
80 km
422 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Fukuechō 4.0 km · Kamigotō 42 km · Saikai 88 km · Togitsu 99 km · Nagasaki 101 km · Sasebo 101 km · Obita 102 km · Hirado 103 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 Gotō (32.6842°, 128.8068°, elevation 46 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).