Mombetsu weather in April

In April, Mombetsu sees average daytime highs of 9°C and overnight lows near -0°C, with 67 mm of precipitation across 11.5 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 6°C in the first days to 12°C by the end. The sky is clear or mostly clear about 24% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 30 min at the start of April to 13 h 54 min by month's end. Set against the rest of the year, April is Mombetsu's 4th-clearest and 6th-windiest month. For the whole year in context, see Mombetsu's year-round climate.

Daytime high
7th warmest
Overnight low
-0°
6th coldest
Precipitation
67 mm
11.5 wet days
Daylight
13 h 12 min
4:50 AM – 6:04 PM
Cloud cover
64%
4th clearest
Wind
12 km/h
6th windiest
Solar energy
5.29 kWh/m²
Travel score
1.7
out of 10

Mombetsu is city in Hokkaido, Japan.

Density
28/km²
people per km²
Founded
1954

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 6°C in the first days to 12°C by the end.

A typical April day in Mombetsu reaches about 9°C in the afternoon and slips back to -0°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 2°C and 16°C. Set against its neighbours, April runs about 7°C warmer than March and about 6°C cooler than May.

-10°10°20°151015202530
Avg high (°C)Avg low (°C)
15-3
26-3
36-3
46-2
56-2
67-2
77-2
87-2
97-1
108-1
118-1
128-1
138-1
1490
1590
1690
1790
18100
19101
20101
21101
22111
23111
24112
25112
26122
27122
28123
29123
30123

How April really feels in Mombetsu

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 30 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
30
wind chill below the day's low

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

Mombetsu 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-4° / -11°6410.312.290.0
Feb-3° / -11°499.211.710.20.0
Mar / -6°6111.611.611.60.0
Apr / -0°6711.56.313.21.7
May15° / 8111.61.314.64.2
Jun18° / 10°8011.4015.35.4
Jul22° / 15°11012.10156.0
Aug23° / 16°13313.4013.86.1
Sep20° / 12°12112.3012.35.8
Oct14° / 85110.410.84.0
Nov / -1°7211.25.79.40.7
Dec-1° / -7°729.710.58.70.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34357
44357
54357
64258
74258
84258
94258
104159
114159
124159
134159
144159
154258
164258
174159
184060
194159
204159
214159
224159
234159
244159
254159
264159
274159
284159
294159
304159

Chance of precipitation in April

Any precipitationSnow

Mombetsu gets around 67 mm of rain and snow over 11.5 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 39% and peaks near 40% on the wettest days, and about 6 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13629
23628
33627
43626
53626
63725
73724
83724
93824
103823
113923
123923
133922
143922
154022
164021
174021
184020
194020
204020
214019
224019
234018
244017
253916
263916
273915
283914
293913
303912

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 12 km/h in April.

Across April, daily wind ranges from about 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412calm
1512calm
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 30 min at the start of April to 13 h 54 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 5:17 AM to 4:27 AM, and sunset from 5:45 PM to 6:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:175:45
212.55:165:46
312.65:145:48
412.65:125:49
512.75:105:50
612.75:085:51
712.85:065:53
812.85:045:54
912.95:035:55
1012.95:015:56
1113.04:595:58
1213.04:575:59
1313.14:556:00
1413.14:536:01
1513.24:526:02
1613.24:506:04
1713.34:486:05
1813.34:466:06
1913.44:456:07
2013.44:436:09
2113.54:416:10
2213.54:406:11
2313.64:386:12
2413.64:366:14
2513.74:356:15
2613.74:336:16
2713.84:316:17
2813.84:306:19
2913.94:286:20
3013.94:276:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.29 kWh/m².

For context, solar energy here swings from a low near 1.58 kWh/m² to a high of 5.48 kWh/m² in May across the year — April's 5.29 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Mombetsu

In seasonPeak

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

Mombetsu 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 Mombetsu?

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

1.7
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 Mombetsu.

What to pack for Mombetsu in April

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

In April, Mombetsu sees daytime highs around 9°C and nights near -0°C. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Mombetsu in April

The nearest coast averages about 2°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 17°C and coldest in February near -1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan0Bracing
Feb-1Bracing
Mar0Bracing
Apr2Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug17Cool
Sep17Cool
Oct13Bracing
Nov7Bracing
Dec3Bracing

UV index in Mombetsu 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 Mombetsu peaks around August 14 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 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 14UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7High
Jun7High
Jul7High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Mombetsu?

Mombetsu sits at 44.4°N, 143.4°E, 16 m above sea level, in Japan. The nearest listed city is Engaru, 37 km away.

Fukagawa

Topography around Mombetsu

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

Within 3 km, the terrain around Mombetsu has significant variations in elevation — a maximum elevation change of 340 m around an average of 40 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 420 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,956 m.

The land around Mombetsu is covered by water (41%), trees (28%) and artificial surfaces (22%) within 3 km, water (50%) and trees (37%) within 16 km, and trees (58%) and water (32%) within 80 km.

3 km
340 m
16 km
420 m
80 km
1,956 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Engaru 37 km · Nayoro 71 km · Kitami 75 km · Minamishibetsuchō 81 km · Abashiri 82 km · Motomachi 83 km · Asahikawa 102 km · Fukagawa 127 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 Mombetsu (44.3525°, 143.3525°, elevation 16 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).