Gamagōri weather in May

In May, Gamagōri sees average daytime highs of 22°C and overnight lows near 16°C, with 164 mm of rain across 11 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 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 30% 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 06 min by month's end. Set against the rest of the year, May is Gamagōri's 10th-clearest and 7th-windiest month. For the whole year in context, see Gamagōri's year-round climate.

Daytime high
22°
6th warmest
Overnight low
16°
7th coldest
Rainfall
164 mm
11 wet days
Daylight
13 h 48 min
4:53 AM – 6:42 PM
Cloud cover
64%
10th clearest
Wind
15 km/h
7th windiest
Solar energy
5.48 kWh/m²
Travel score
6.5
out of 10

Gamagōri is city in Aichi Prefecture, Japan.

Density
1,409/km²
people per km²
Founded
1954

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 21°C in the first days to 24°C by the end.

A typical May day in Gamagōri reaches about 22°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 25°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)
12014
22114
32114
42114
52114
62114
72114
82115
92115
102215
112215
122215
132215
142215
152216
162216
172216
182216
192316
202316
212316
222316
232317
242317
252317
262317
272317
282417
292417
302418
312418

How May really feels in Gamagōri

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.

Gamagōri 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° / 656.19.92.3
Feb10° / 777.110.72.6
Mar14° / 12910.311.74.0
Apr18° / 11°14310.312.95.8
May22° / 16°1641113.86.5
Jun25° / 20°23214.714.35.7
Jul29° / 24°22714.914.14.8
Aug30° / 25°13314.313.34.4
Sep27° / 22°23014.412.25.5
Oct22° / 16°21511.611.16.6
Nov17° / 11°1068.210.25.8
Dec12° / 666.49.73.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% 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 (%)
14852
24753
34753
44555
54555
64456
74357
84159
94060
104060
113961
123961
133862
143862
153961
163961
173862
183862
193862
203862
213862
223862
233862
243862
253862
263862
273763
283763
293664
303565
313466

Chance of precipitation in May

Any precipitation

Gamagōri gets around 164 mm of rain over 11 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 37% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
134
234
334
435
535
636
736
836
936
1037
1137
1237
1336
1436
1536
1635
1735
1835
1934
2034
2134
2234
2333
2433
2533
2633
2733
2833
2934
3034
3135

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 40% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1652681
2632791
36128101
46029101
55830111
65631121
75332132
85332132
95133142
104934142
114835152
124636153
134438153
144339163
154140163
163941173
173842173
183642184
193443194
203343204
213143215
223042235
232942245
242742256
252641276
262540286
272439307
282238327
292137348
302036369
3118343710

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light 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 5:07 AM to 4:44 AM, and sunset from 6:30 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.45:076:30
213.45:066:31
313.45:056:31
413.55:046:32
513.55:036:33
613.55:026:34
713.65:016:35
813.65:006:35
913.64:596:36
1013.74:586:37
1113.74:576:38
1213.74:566:39
1313.74:556:40
1413.84:546:40
1513.84:546:41
1613.84:536:42
1713.84:526:43
1813.94:516:43
1913.94:516:44
2013.94:506:45
2113.94:496:46
2214.04:496:46
2314.04:486:47
2414.04:476:48
2514.04:476:49
2614.14:466:49
2714.14:466:50
2814.14:456:51
2914.14:456:51
3014.14:456:52
3114.14:446:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.48 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 5.48 kWh/m² in May across the year — May's 5.48 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
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Gamagōri

In seasonPeak

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

Gamagōri 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 Gamagōri?

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

6.5
Sightseeing
2nd-best month of the year
4.6
Beach & pool
6th-best month of the year

May is a reasonable time to visit Gamagōri for sightseeing.

What to pack for Gamagōri in May

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

In May, Gamagōri sees daytime highs around 22°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 11 days see rain.

light clothesrain gearsun protection

Sea temperature near Gamagōri 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 at the nearest coast (about 25 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 27 to Nov 21 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Gamagōri 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 Gamagōri peaks around July 11 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 11UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Gamagōri 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 Gamagōri is worst in April — around 25 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (July, 15 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1325 µg/m³Jul 2415 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb19Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun20Moderate
Jul15Moderate
Aug15Moderate
Sep16Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Gamagōri?

Gamagōri sits at 34.8°N, 137.2°E, 23 m above sea level, in Japan. The nearest listed city is Kōta, 7.0 km away.

Topography around Gamagōri

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

Within 3 km, the terrain around Gamagōri has significant variations in elevation — a maximum elevation change of 447 m around an average of 71 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 525 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,181 m.

The land around Gamagōri is covered by trees (46%) and artificial surfaces (39%) within 3 km, trees (37%), water (27%) and artificial surfaces (24%) within 16 km, and trees (43%) and water (34%) within 80 km.

3 km
447 m
16 km
525 m
80 km
2,181 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Kōta 7.0 km · Kozakai-chō 12 km · Okazaki 14 km · Toyokawa 15 km · Toyohashi 16 km · Nishio 17 km · Tahara 19 km · Anjō 20 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 Gamagōri (34.8333°, 137.2333°, elevation 23 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).