Sekimachi weather in April

In April, Sekimachi sees average daytime highs of 19°C and overnight lows near 8°C, with 157 mm of rain across 11.7 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 21°C by the end. The sky is clear or mostly clear about 34% 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 Sekimachi's 7th-clearest and 3rd-windiest month. For the whole year in context, see Sekimachi's year-round climate.

Daytime high
19°
7th warmest
Overnight low
6th coldest
Rainfall
157 mm
11.7 wet days
Daylight
12 h 54 min
5:26 AM – 6:19 PM
Cloud cover
58%
7th clearest
Wind
8 km/h
3rd windiest
Solar energy
5.11 kWh/m²
Travel score
5.7
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 16°C in the first days to 21°C by the end.

A typical April day in Sekimachi reaches about 19°C in the afternoon and slips back to 8°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1166
2166
3166
4176
5176
6176
7177
8177
9187
10187
11187
12188
13188
14188
15198
16198
17198
18199
19199
20199
21209
22209
232010
242010
252010
262010
272110
282110
292111
302111

How April really feels in Sekimachi

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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Sekimachi weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 667.71.79.91.7
Feb10° / 737.41.510.72.2
Mar13° / 13810.90.311.73.8
Apr19° / 15711.7012.95.7
May23° / 13°17711.8013.86.5
Jun26° / 18°22014.6014.45.6
Jul30° / 22°27116.9014.24.2
Aug31° / 23°15614.1013.33.9
Sep28° / 20°21612.6012.25.6
Oct22° / 13°17510.6011.16.7
Nov16° / 1037.9010.15.5
Dec11° / 687.70.69.62.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25248
35248
45050
55050
65050
75149
85149
95149
105050
115050
124951
134951
144951
154951
164852
174753
184753
194753
204753
214753
224852
234753
244654
254753
264654
274654
284753
294654
304654

Chance of precipitation in April

Any precipitation

Sekimachi gets around 157 mm of rain over 11.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
338
438
538
638
738
839
939
1039
1139
1239
1340
1440
1540
1640
1741
1841
1941
2041
2141
2240
2340
2440
2539
2639
2738
2838
2938
3038

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 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
397300
497300
597300
697300
796400
896400
996400
1096400
1196400
1296400
1396400
1495410
1594411
1694411
1793511
1893511
1992611
2093610
2192710
2292710
2390820
2489920
25881020
26871120
27851230
28841330
29831430
30821440

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 8 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
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:47 AM to 5:08 AM, and sunset from 6:07 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:476:07
212.45:456:08
312.45:446:09
412.45:436:10
512.55:416:10
612.55:406:11
712.65:386:12
812.65:376:13
912.65:356:14
1012.75:346:14
1112.75:336:15
1212.75:316:16
1312.85:306:17
1412.85:286:18
1512.95:276:19
1612.95:266:19
1712.95:246:20
1813.05:236:21
1913.05:226:22
2013.05:206:23
2113.15:196:24
2213.15:186:24
2313.15:176:25
2413.25:156:26
2513.25:146:27
2613.25:136:28
2713.35:126:29
2813.35:106:29
2913.45:096:30
3013.45:086:31

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.11 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.38 kWh/m² in May across the year — April's 5.11 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in April

Is April a good time to visit Sekimachi?

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

5.7
Sightseeing
3rd-best month of the year
2.3
Beach & pool
7th-best month of the year

April is a reasonable time to visit Sekimachi for sightseeing.

What to pack for Sekimachi in April

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

In April, Sekimachi sees daytime highs around 19°C and nights near 8°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Sekimachi in April

The nearest coast averages about 15°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 68 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from May 31 to Nov 9 — about 5.4 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec17Cool

UV index in Sekimachi 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 Sekimachi peaks around July 15 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateJul 15UV 10Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Sekimachi 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 Sekimachi is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1322 µg/m³Dec 1813 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun19Moderate
Jul15Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov15Moderate
Dec13Moderate
Location & terrain

Where is Sekimachi?

Sekimachi sits at 35.5°N, 136.9°E, 51 m above sea level, in Japan. The nearest listed city is Mino, 6.0 km away.

Topography around Sekimachi

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

Within 3 km, the terrain around Sekimachi has only modest variations in elevation — a maximum elevation change of 140 m around an average of 71 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 952 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,037 m.

The land around Sekimachi is covered by artificial surfaces (40%) and trees (37%) within 3 km, trees (59%) and artificial surfaces (27%) within 16 km, and trees (74%) within 80 km.

3 km
140 m
16 km
952 m
80 km
3,037 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Mino 6.0 km · Kakamigahara 9.0 km · Minokamo 10 km · Inuyama 12 km · Yamagata 13 km · Fusō 14 km · Kani 15 km · Gifu 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 Sekimachi (35.4833°, 136.9167°, elevation 51 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).