Kaminoyama weather in May

In May, Kaminoyama sees average daytime highs of 19°C and overnight lows near 9°C, with 91 mm of rain across 12 wet days and about 14 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 21°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 36 min at the start of May to 14 h 24 min by month's end. Set against the rest of the year, May is Kaminoyama's 4th-clearest and 7th-windiest month. For the whole year in context, see Kaminoyama's year-round climate.

Daytime high
19°
5th warmest
Overnight low
8th coldest
Rainfall
91 mm
12 wet days
Daylight
14 h 06 min
4:33 AM – 6:37 PM
Cloud cover
68%
4th clearest
Wind
8 km/h
7th windiest
Solar energy
5.28 kWh/m²
Travel score
5.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 21°C by the end.

A typical May day in Kaminoyama reaches about 19°C in the afternoon and slips back to 9°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 24°C. Set against its neighbours, May runs about 6°C warmer than April and about 4°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1177
2177
3177
4177
5177
6178
7188
8188
9188
10188
11189
12189
13189
14189
15199
16199
171910
181910
191910
201910
212010
222010
232011
242011
252011
262011
272111
282111
292112
302112
312112

How May really feels in Kaminoyama

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.

Kaminoyama weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -5°12621.723.19.70.0
Feb / -5°9017.918.210.50.0
Mar / -2°10916.912.211.70.5
Apr13° / 9413.72.7133.3
May19° / 91120145.6
Jun22° / 15°11912.5014.66.0
Jul26° / 19°18917.4014.45.4
Aug27° / 20°14714.8013.55.6
Sep23° / 16°12613012.35.9
Oct17° / 11812.40115.0
Nov11° / 9515.34.19.92.2
Dec / -2°1202016.39.40.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
34060
43961
53961
63862
73862
83862
93862
103862
113763
123763
133763
143862
153961
163961
173961
183961
193961
203961
213961
223961
233961
243961
253862
263862
273862
283862
293862
303862
313763

Chance of precipitation in May

Any precipitation

Kaminoyama gets around 91 mm of rain over 12 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 39% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
239
339
439
539
639
739
840
940
1040
1141
1241
1341
1442
1542
1642
1742
1841
1941
2040
2140
2239
2338
2437
2536
2636
2735
2834
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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
19730
29640
39640
49640
59640
69640
79550
89451
99451
109451
119361
129361
139361
149271
159271
169181
179091
1889101
1988111
2087121
2186131
2285141
2382162
2481172
2580182
2678202
2777212
2875232
2972253
3071263
3168284

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 36 min at the start of May to 14 h 24 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 4:49 AM to 4:23 AM, and sunset from 6:23 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.64:496:23
213.64:486:24
313.64:476:25
413.74:466:26
513.74:446:27
613.74:436:28
713.84:426:29
813.84:416:30
913.84:406:31
1013.94:396:31
1113.94:386:32
1213.94:376:33
1314.04:366:34
1414.04:356:35
1514.04:346:36
1614.14:336:37
1714.14:336:38
1814.14:326:39
1914.14:316:40
2014.24:306:40
2114.24:296:41
2214.24:296:42
2314.34:286:43
2414.34:276:44
2514.34:276:45
2614.34:266:45
2714.34:256:46
2814.44:256:47
2914.44:246:48
3014.44:246:48
3114.44:236:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.85 kWh/m² to a high of 5.28 kWh/m² in May across the year — May's 5.28 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.2Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Kaminoyama

In seasonPeak

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

Kaminoyama 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 Kaminoyama?

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

5.6
Sightseeing
3rd-best month of the year
2.4
Beach & pool
5th-best month of the year

May is a reasonable time to visit Kaminoyama for sightseeing.

What to pack for Kaminoyama in May

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

In May, Kaminoyama sees daytime highs around 19°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Kaminoyama 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 Kaminoyama peaks around August 13 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 13UV 10Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug10Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Kaminoyama 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 Kaminoyama is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Kaminoyama?

Kaminoyama sits at 38.2°N, 140.3°E, 177 m above sea level, in Japan. The nearest listed city is Yamagata, 12 km away.

Topography around Kaminoyama

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

Within 3 km, the terrain around Kaminoyama has significant variations in elevation — a maximum elevation change of 537 m around an average of 268 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,744 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,110 m.

The land around Kaminoyama is covered by trees (61%) and artificial surfaces (21%) within 3 km, trees (80%) within 16 km, and trees (75%) within 80 km.

3 km
537 m
16 km
1,744 m
80 km
2,110 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Yamagata 12 km · Takahata 18 km · Nanyō 19 km · Nagai 22 km · Tendō 24 km · Sagae 24 km · Yachi 30 km · Yonezawa 30 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 Kaminoyama (38.1539°, 140.2736°, elevation 177 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). 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).