Minami-Alps weather in August

In August, Minami-Alps sees average daytime highs of 26°C and overnight lows near 19°C, with 192 mm of rain across 20.9 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 16% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Minami-Alps's 8th-clearest and 12th-windiest month. For the whole year in context, see Minami-Alps's year-round climate.

Daytime high
26°
1st warmest
Overnight low
19°
12th coldest
Rainfall
192 mm
20.9 wet days
Daylight
13 h 24 min
5:10 AM – 6:31 PM
Cloud cover
68%
8th clearest
Wind
5 km/h
12th windiest
Solar energy
4.82 kWh/m²
Travel score
5.0
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical August day in Minami-Alps reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142619
152619
162619
172619
182619
192619
202618
212618
222618
232618
242618
252518
262518
272518
282518
292518
302518
312518

How August really feels in Minami-Alps

Once humidity and wind are folded in, August 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

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Minami-Alps weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -6°807.76.89.90.0
Feb / -6°939.16.810.70.0
Mar / -2°166147.211.71.3
Apr14° / 16814.11.712.93.6
May18° / 17514.8013.95.2
Jun21° / 14°24318.9014.44.8
Jul25° / 18°26921.3014.24.9
Aug26° / 19°19220.9013.35.0
Sep22° / 15°27018.2012.25.2
Oct17° / 24615.6011.14.8
Nov12° / 12110.90.310.13.1
Dec / -2°808.33.59.60.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 20% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23664
33664
43664
53862
63763
73763
83763
93664
103664
113565
123565
133565
143565
153565
163664
173664
183664
193664
203763
213763
223763
233664
243763
253763
263763
273763
283763
293664
303664
313664

Chance of precipitation in August

Any precipitation

Minami-Alps gets around 192 mm of rain over 20.9 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 67% and peaks near 70% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
370
470
570
669
769
869
969
1068
1168
1268
1367
1467
1567
1667
1767
1866
1966
2066
2166
2265
2365
2465
2565
2665
2765
2865
2965
3065
3165

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 52% of days. Sticky, muggy-or-worse air turns up on roughly 53% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
10339571
20238591
30237601
40237601
50236611
60235621
70234622
80334612
90333622
100333622
110333622
121433602
131433602
141433602
151534591
161534591
171635571
181636561
191737541
201739521
211840501
221842481
231943461
2411045441
2511047421
2611148401
2711249381
2811251360
2911352340
3011453320
3111553310

Wind in August

Winds average 5 km/h in August, the calmest month.

Across August, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 4:58 AM to 5:21 AM, and sunset from 6:47 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:586:47
213.84:586:46
313.84:596:45
413.75:006:44
513.75:016:43
613.75:026:42
713.65:026:41
813.65:036:40
913.65:046:39
1013.65:056:38
1113.55:066:37
1213.55:066:36
1313.55:076:35
1413.45:086:33
1513.45:096:32
1613.45:106:31
1713.35:106:30
1813.35:116:29
1913.35:126:27
2013.25:136:26
2113.25:146:25
2213.25:146:23
2313.15:156:22
2413.15:166:21
2513.05:176:19
2613.05:176:18
2713.05:186:17
2812.95:196:15
2912.95:206:14
3012.95:216:12
3112.85:216:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.82 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 5.39 kWh/m² in May across the year — August's 4.82 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.4Bright
304.4Bright
314.4Bright
Planning a trip in August

Is August a good time to visit Minami-Alps?

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

5.0
Sightseeing
3rd-best month of the year
4.8
Beach & pool
1st-best month of the year

August is a reasonable time to visit Minami-Alps for sightseeing.

What to pack for Minami-Alps in August

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

In August, Minami-Alps sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 21 days see rain.

rain gearlight clothessun protection

Sea temperature near Minami-Alps in August

The nearest coast averages about 27°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 57 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 30 to Nov 23 — 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
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Minami-Alps in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Minami-Alps peaks around July 14 at about 11 (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 14UV 11Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Minami-Alps in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Minami-Alps is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Minami-Alps?

Minami-Alps sits at 35.6°N, 138.5°E, 298 m above sea level, in Japan. The nearest listed city is Minamiarupusu, 1.0 km away.

Topography around Minami-Alps

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

Within 3 km, the terrain around Minami-Alps has significant variations in elevation — a maximum elevation change of 442 m around an average of 329 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,479 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,735 m.

The land around Minami-Alps is covered by artificial surfaces (47%) and cropland (23%) within 3 km, trees (66%) within 16 km, and trees (84%) within 80 km.

3 km
442 m
16 km
2,479 m
80 km
3,735 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Minamiarupusu 1.0 km · Chūō 4.0 km · Ryūō 5.0 km · Shōwa 7.0 km · Kai 9.0 km · Nirasaki 9.0 km · Kofu 11 km · Isawa 16 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 Minami-Alps (35.616°, 138.4634°, elevation 298 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. 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).