Tōbetsu weather in April

In April, Tōbetsu sees average daytime highs of 10°C and overnight lows near 2°C, with 65 mm of precipitation across 11.1 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 9th-wettest month of the year here.

Highs climb over the month, from about 7°C in the first days to 13°C by the end. The sky is clear or mostly clear about 33% 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 Tōbetsu's 2nd-clearest and 5th-windiest month. For the whole year in context, see Tōbetsu's year-round climate.

Daytime high
10°
7th warmest
Overnight low
6th coldest
Precipitation
65 mm
11.1 wet days
Daylight
13 h 12 min
4:59 AM – 6:10 PM
Cloud cover
57%
2nd clearest
Wind
11 km/h
5th windiest
Solar energy
5.13 kWh/m²
Travel score
2.2
out of 10

Tōbetsu is town in Ishikari District, Hokkaido, Japan.

Density
39/km²
people per km²
Founded
1947

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 7°C in the first days to 13°C by the end.

A typical April day in Tōbetsu reaches about 10°C in the afternoon and slips back to 2°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 5°C and 15°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

-5°10°15°20°151015202530
Avg high (°C)Avg low (°C)
16-1
27-1
37-1
47-1
570
680
780
880
980
1091
1191
1291
13101
14101
15102
16102
17112
18112
19113
20113
21113
22123
23123
24124
25124
26134
27134
28134
29135
30135

How April really feels in Tōbetsu

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 21 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
21
wind chill below the day's low

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

Tōbetsu weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-2° / -8°5313.819.79.20.0
Feb-1° / -8°4511.616.610.20.0
Mar / -4°5811.611.411.60.0
Apr10° / 6511.1313.22.2
May16° / 8511.40.114.44.7
Jun19° / 13°7510.1015.16.0
Jul23° / 17°12612.5014.96.3
Aug24° / 19°17113.7013.86.2
Sep21° / 14°13613.7012.35.8
Oct15° / 9413.50.210.84.2
Nov / 9317.18.39.51.0
Dec / -5°7616.519.78.90.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15347
25248
35248
45248
55149
65149
75149
85149
95149
105149
115050
125050
135050
145050
155050
164951
174951
184951
194852
204951
214951
224753
234753
244753
254654
264654
274654
284555
294357
304357

Chance of precipitation in April

Any precipitationSnow

Tōbetsu gets around 65 mm of rain and snow over 11.1 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 37% and peaks near 39% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13622
23621
33619
43618
53617
63616
73615
83614
93614
103613
113612
123612
133611
143611
153610
163710
17379
18379
19378
20378
21377
22386
23386
24385
25384
26384
27383
28383
29382
30392

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 11 km/h in April.

Across April, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

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 5:25 AM to 4:36 AM, and sunset from 5:52 PM to 6:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:255:52
212.55:245:53
312.55:225:54
412.65:205:55
512.65:185:57
612.75:165:58
712.75:145:59
812.85:136:00
912.85:116:01
1012.95:096:03
1112.95:076:04
1213.05:066:05
1313.05:046:06
1413.15:026:07
1513.15:006:08
1613.24:596:10
1713.24:576:11
1813.34:556:12
1913.34:546:13
2013.44:526:14
2113.44:506:16
2213.54:496:17
2313.54:476:18
2413.64:456:19
2513.64:446:20
2613.74:426:21
2713.74:416:23
2813.74:396:24
2913.84:386:25
3013.84:366:26

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 1.58 kWh/m² to a high of 5.43 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
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Hazard calendar for Tōbetsu

In seasonPeak

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

Tōbetsu 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 Tōbetsu?

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

2.2
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 Tōbetsu.

What to pack for Tōbetsu in April

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

In April, Tōbetsu sees daytime highs around 10°C and nights near 2°C. Pack a warm layer. Worth having: rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

Sea temperature near Tōbetsu in April

The nearest coast averages about 7°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 21 km away) is warmest in August at about 22°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 31 to Sep 22 — about 1.8 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Tōbetsu in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tōbetsu peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 18UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb3Moderate
Mar3Moderate
Apr6High
May7Very high
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Tōbetsu 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 Tōbetsu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1220 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun14Moderate
Jul13Moderate
Aug11Good
Sep11Good
Oct12Good
Nov10Good
Dec9Good
Location & terrain

Where is Tōbetsu?

Tōbetsu sits at 43.2°N, 141.5°E, 14 m above sea level, in Japan. The nearest listed city is Ebetsu, 12 km away.

Topography around Tōbetsu

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

Within 3 km, the terrain around Tōbetsu has only modest variations in elevation — a maximum elevation change of 76 m around an average of 15 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 414 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,859 m.

The land around Tōbetsu is covered by cropland (72%) within 3 km, cropland (48%) and trees (28%) within 16 km, and trees (60%) and water (22%) within 80 km.

3 km
76 m
16 km
414 m
80 km
1,859 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Ebetsu 12 km · Ishikari 13 km · Iwamizawa 20 km · Sapporo 22 km · Kitahiroshima 27 km · Bibai 30 km · Eniwa 36 km · Otaru 42 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 Tōbetsu (43.2169°, 141.5169°, elevation 14 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).