Kutchan weather in April

In April, Kutchan sees average daytime highs of 8°C and overnight lows near 0°C, with 74 mm of precipitation across 12.2 wet days and about 13.1 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 5°C in the first days to 11°C by the end. The sky is clear or mostly clear about 30% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Kutchan's 1st-clearest and 7th-windiest month. For the whole year in context, see Kutchan's year-round climate.

Daytime high
7th warmest
Overnight low
6th coldest
Precipitation
74 mm
12.2 wet days
Daylight
13 h 12 min
5:02 AM – 6:12 PM
Cloud cover
59%
1st clearest
Wind
9 km/h
7th windiest
Solar energy
5.43 kWh/m²
Travel score
1.3
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 5°C in the first days to 11°C by the end.

A typical April day in Kutchan reaches about 8°C in the afternoon and slips back to 0°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 3°C and 13°C. Set against its neighbours, April runs about 6°C warmer than March and about 7°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
15-3
25-2
35-2
45-2
56-2
66-2
76-2
86-1
96-1
107-1
117-1
127-1
137-1
1480
1580
1680
1780
1880
1991
2091
2191
22101
23101
24102
25102
26112
27112
28113
29113
30123

How April really feels in Kutchan

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 27 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
27
wind chill below the day's low

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

Kutchan weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -10°7316.4229.20.0
Feb-3° / -9°6414.719.410.20.0
Mar / -6°7615.516.611.60.0
Apr / 7412.26.713.11.3
May15° / 9012.70.714.44.1
Jun19° / 11°8011.9015.15.6
Jul22° / 16°12813.9014.85.9
Aug23° / 17°17214.9013.85.9
Sep20° / 12°15015.4012.35.3
Oct13° / 10914.60.910.83.3
Nov / -1°10717.112.69.50.4
Dec-2° / -7°9718.821.68.90.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in April, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54753
64753
74753
84654
94753
104753
114753
124852
134753
144753
154753
164753
174753
184753
194753
204753
214753
224654
234654
244555
254654
264555
274456
284456
294456
304456

Chance of precipitation in April

Any precipitationSnow

Kutchan gets around 74 mm of rain and snow over 12.2 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 42% and peaks near 42% on the wettest days, and about 7 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
14237
24235
34134
44132
54131
64130
74128
84127
94026
104026
114125
124124
134124
144123
154123
164222
174222
184221
194220
204220
214219
224218
234217
244216
254215
264214
274213
284212
294211
304210

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 9 km/h in April.

Across April, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 5:29 AM to 4:40 AM, and sunset from 5:55 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:295:55
212.55:275:56
312.55:255:57
412.65:235:58
512.65:215:59
612.75:206:01
712.75:186:02
812.85:166:03
912.85:146:04
1012.95:136:05
1112.95:116:06
1213.05:096:08
1313.05:076:09
1413.15:066:10
1513.15:046:11
1613.25:026:12
1713.25:006:14
1813.34:596:15
1913.34:576:16
2013.44:566:17
2113.44:546:18
2213.54:526:19
2313.54:516:21
2413.54:496:22
2513.64:486:23
2613.64:466:24
2713.74:446:25
2813.74:436:26
2913.84:426:28
3013.84:406:29

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.43 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 5.66 kWh/m² in May across the year — April's 5.43 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.4Bright
135.4Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in April

Hazard calendar for Kutchan

In seasonPeak

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

Kutchan 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 April a good time to visit Kutchan?

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

1.3
Sightseeing
7th-best month of the year
0.0
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Kutchan.

What to pack for Kutchan in April

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

In April, Kutchan sees daytime highs around 8°C and nights near 0°C. Pack a warm layer. Worth having: a heavy coat, rain gear and sun protection. About 12 days see rain.

a warm layera heavy coatrain gearsun protection

Sea temperature near Kutchan in April

The nearest coast averages about 8°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 30 km away) is warmest in August at about 22°C and coldest in February near 6°C.

It's comfortable for a long swim from Jul 29 to Sep 25 — about 1.9 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb6Bracing
Mar6Bracing
Apr8Bracing
May11Bracing
Jun15Bracing
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec10Bracing

UV index in Kutchan in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kutchan peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 18UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May8Very high
Jun7High
Jul5Moderate
Aug9Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Kutchan 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 Kutchan is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1219 µg/m³Dec 158 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun12Moderate
Jul11Good
Aug10Good
Sep9Good
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Kutchan?

Kutchan sits at 42.9°N, 140.7°E, 185 m above sea level, in Japan. The nearest listed city is Niseko, 11 km away.

Topography around Kutchan

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

Within 3 km, the terrain around Kutchan has only modest variations in elevation — a maximum elevation change of 199 m around an average of 214 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,876 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,867 m.

The land around Kutchan is covered by trees (49%) and cropland (30%) within 3 km, trees (80%) within 16 km, and water (48%) and trees (42%) within 80 km.

3 km
199 m
16 km
1,876 m
80 km
1,867 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Niseko 11 km · Yoichi 34 km · Otaru 38 km · Date 49 km · Sapporo 53 km · Noboribetsu 61 km · Ishikari 62 km · Shiraoi 63 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 Kutchan (42.9011°, 140.7406°, elevation 185 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).