Minami-Alps weather in April

In April, Minami-Alps sees average daytime highs of 14°C and overnight lows near 4°C, with 168 mm of precipitation across 14.1 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 16°C by the end. The sky is clear or mostly clear about 29% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 18 min at the start of April to 13 h 24 min by month's end. Set against the rest of the year, April is Minami-Alps's 7th-clearest and 1st-windiest month. For the whole year in context, see Minami-Alps's year-round climate.

Daytime high
14°
7th warmest
Overnight low
6th coldest
Precipitation
168 mm
14.1 wet days
Daylight
12 h 54 min
5:19 AM – 6:13 PM
Cloud cover
62%
7th clearest
Wind
6 km/h
1st windiest
Solar energy
5.13 kWh/m²
Travel score
3.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 16°C by the end.

A typical April day in Minami-Alps reaches about 14°C in the afternoon and slips back to 4°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 8°C and 19°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1111
2111
3111
4121
5122
6122
7122
8122
9132
10133
11133
12133
13133
14144
15144
16144
17144
18144
19155
20155
21155
22155
23155
24155
25166
26166
27166
28166
29166
30177

How April really feels in Minami-Alps

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Minami-Alps weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-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 April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
24951
34951
44951
54951
64951
74951
84852
94852
104753
114654
124555
134555
144555
154357
164357
174357
184357
194357
204159
214159
224258
234258
244258
254258
264357
274258
284357
294357
304357

Chance of precipitation in April

Any precipitationSnow

Minami-Alps gets around 168 mm of rain and snow over 14.1 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 47% and peaks near 50% on the wettest days, and about 2 days bring snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
14713
24612
34611
44611
54610
64610
7469
8479
9479
10478
11478
12488
13487
14487
15496
16496
17506
18505
19505
20504
21494
22493
23483
24482
25472
26472
27461
28461
29451
30451

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
14991
15991
16991
17991
18991
19991
20991
21991
22991
23982
24982
25982
26982
27982
28982
29982
30982

Wind in April

Winds average 6 km/h in April, the windiest month of the year.

Across April, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over April. Sunrise moves from 5:41 AM to 5:02 AM, and sunset from 6:01 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:416:01
212.45:396:02
312.45:386:03
412.55:366:03
512.55:356:04
612.55:336:05
712.65:326:06
812.65:316:07
912.65:296:08
1012.75:286:08
1112.75:266:09
1212.85:256:10
1312.85:236:11
1412.85:226:12
1512.95:216:13
1612.95:196:13
1712.95:186:14
1813.05:176:15
1913.05:156:16
2013.05:146:17
2113.15:136:18
2213.15:116:18
2313.25:106:19
2413.25:096:20
2513.25:086:21
2613.35:066:22
2713.35:056:23
2813.35:046:24
2913.45:036:24
3013.45:026:25

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.13 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 — April's 5.13 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Is April a good time to visit Minami-Alps?

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

3.6
Sightseeing
7th-best month of the year
0.2
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Minami-Alps.

What to pack for Minami-Alps in April

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

In April, Minami-Alps sees daytime highs around 14°C and nights near 4°C. Pack rain gear. Worth having: a warm layer and sun protection. About 14 days see rain.

rain geara warm layersun protection

Sea temperature near Minami-Alps in April

The nearest coast averages about 17°C in April — 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 April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 7 — enough to warrant sun protection. 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 April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April 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
April 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).