Sukagawa weather in April

In April, Sukagawa sees average daytime highs of 15°C and overnight lows near 5°C, with 103 mm of precipitation across 11.5 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 12°C in the first days to 17°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 24 min at the start of April to 13 h 30 min by month's end. Set against the rest of the year, April is Sukagawa's 5th-clearest and 4th-windiest month. For the whole year in context, see Sukagawa's year-round climate.

Daytime high
15°
7th warmest
Overnight low
6th coldest
Precipitation
103 mm
11.5 wet days
Daylight
13 hours
5:10 AM – 6:07 PM
Cloud cover
61%
5th clearest
Wind
12 km/h
4th windiest
Solar energy
5.04 kWh/m²
Travel score
4.2
out of 10

Sukagawa is city in Fukushima Prefecture, Japan.

Density
268/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 12°C in the first days to 17°C by the end.

A typical April day in Sukagawa reaches about 15°C in the afternoon and slips back to 5°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 20°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)
1122
2122
3123
4123
5123
6133
7133
8134
9134
10144
11144
12144
13145
14145
15155
16155
17155
18156
19156
20166
21166
22166
23167
24167
25177
26177
27177
28177
29178
30188

How April really feels in Sukagawa

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 6 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
6
wind chill below the day's low

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

Sukagawa 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 / -3°547.26.79.70.0
Feb / -3°497.25.110.60.1
Mar / 91114.911.71.6
Apr15° / 10311.51.312.94.2
May20° / 10°11512.30145.9
Jun23° / 15°13114.4014.55.7
Jul27° / 19°18717.6014.35.1
Aug28° / 20°14115.1013.45.2
Sep24° / 17°17114.5012.35.8
Oct18° / 10°15011.60115.4
Nov12° / 758.10.3103.4
Dec / -1°497.93.59.50.7

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 (%)
14852
24852
34852
44852
54753
64852
74753
84753
94654
104654
114753
124654
134555
144456
154456
164456
174456
184456
194456
204456
214456
224555
234456
244456
254456
264456
274456
284456
294357
304456

Chance of precipitation in April

Any precipitationSnow

Sukagawa gets around 103 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 1 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1409
2409
3408
4408
5408
6407
7397
8396
9396
10396
11395
12395
13395
14395
15394
16394
17394
18394
19393
20393
21393
22393
23392
24392
25382
26382
27381
28381
29381
30381

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 (%)Humid (%)
110000
210000
310000
410000
510000
610000
710000
810000
910000
1010000
1110000
1210000
1310000
1410000
1510000
1610000
179910
189910
199811
209811
219811
229811
239811
249721
259721
269721
279631
289631
299631
309541

Wind in April

Winds average 12 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 30 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 5:32 AM to 4:51 AM, and sunset from 5:54 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:325:54
212.45:315:55
312.45:295:56
412.55:285:57
512.55:265:57
612.65:255:58
712.65:235:59
812.65:226:00
912.75:206:01
1012.75:196:02
1112.85:176:03
1212.85:166:04
1312.85:146:05
1412.95:136:06
1512.95:116:06
1613.05:106:07
1713.05:096:08
1813.05:076:09
1913.15:066:10
2013.15:046:11
2113.15:036:12
2213.25:026:13
2313.25:006:14
2413.34:596:15
2513.34:586:16
2613.34:566:17
2713.44:556:17
2813.44:546:18
2913.44:536:19
3013.54:516:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.04 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 5.35 kWh/m² in May across the year — April's 5.04 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
Planning a trip in April

Hazard calendar for Sukagawa

In seasonPeak

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

Sukagawa 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 Sukagawa?

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

4.2
Sightseeing
7th-best month of the year
0.4
Beach & pool
7th-best month of the year

April is a reasonable time to visit Sukagawa for sightseeing.

What to pack for Sukagawa in April

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

In April, Sukagawa sees daytime highs around 15°C and nights near 5°C. Worth packing: a warm layer, rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Sukagawa in April

The nearest coast averages about 14°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 63 km away) is warmest in August at about 24°C and coldest in March near 12°C.

It's comfortable for a long swim from Jul 1 to Oct 22 — about 3.7 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May16Cool
Jun19Cool
Jul21Refreshing
Aug24Refreshing
Sep23Refreshing
Oct20Refreshing
Nov18Cool
Dec16Cool

UV index in Sukagawa 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 Sukagawa peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Low

Air quality in Sukagawa 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 Sukagawa is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug12Good
Sep11Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Sukagawa?

Sukagawa sits at 37.3°N, 140.4°E, 261 m above sea level, in Japan. The nearest listed city is Yabuki, 11 km away.

Topography around Sukagawa

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

Within 3 km, the terrain around Sukagawa has only modest variations in elevation — a maximum elevation change of 62 m around an average of 257 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 729 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,029 m.

The land around Sukagawa is covered by artificial surfaces (34%), trees (33%) and cropland (29%) within 3 km, trees (53%) and cropland (29%) within 16 km, and trees (72%) within 80 km.

3 km
62 m
16 km
729 m
80 km
2,029 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Yabuki 11 km · Kōriyama 13 km · Ishikawa 16 km · Miharu 19 km · Shirakawa 21 km · Kumakura 24 km · Funehikimachi-funehiki 25 km · Tamura 25 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 Sukagawa (37.2833°, 140.3833°, elevation 261 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).