Honmachi weather in April

In April, Honmachi sees average daytime highs of 19°C and overnight lows near 13°C, with 151 mm of rain across 11.9 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 17°C in the first days to 21°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 18 min at the start of April to 13 h 12 min by month's end. Set against the rest of the year, April is Honmachi's 7th-clearest and 5th-windiest month. For the whole year in context, see Honmachi's year-round climate.

Daytime high
19°
7th warmest
Overnight low
13°
6th coldest
Rainfall
151 mm
11.9 wet days
Daylight
12 h 48 min
5:54 AM – 6:42 PM
Cloud cover
62%
7th clearest
Wind
9 km/h
5th windiest
Solar energy
4.9 kWh/m²
Travel score
5.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 17°C in the first days to 21°C by the end.

A typical April day in Honmachi reaches about 19°C in the afternoon and slips back to 13°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
11711
21711
31711
41711
51812
61812
71812
81812
91812
101812
111913
121913
131913
141913
151913
161913
171913
182014
192014
202014
212014
222014
232014
242115
252115
262115
272115
282115
292115
302115

How April really feels in Honmachi

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.

Honmachi 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
Jan10° / 739.40.610.12.2
Feb11° / 909.80.210.82.7
Mar15° / 13312.5011.84.1
Apr19° / 13°15111.9012.85.8
May23° / 17°17411.8013.66.4
Jun26° / 21°42818.3014.15.1
Jul29° / 25°34718.3013.94.1
Aug31° / 25°16216.1013.23.9
Sep28° / 22°17513.2012.25.6
Oct23° / 17°1008.2011.27.2
Nov18° / 12°968.8010.35.8
Dec12° / 8390.29.93.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 12% of April, with mostly cloudy or overcast conditions the remaining 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54456
64357
74357
84357
94258
104258
114060
124060
134060
143961
154060
164060
173961
184060
194060
204159
214159
224060
234159
244159
254159
264159
274159
284159
294159
304159

Chance of precipitation in April

Any precipitation

Honmachi gets around 151 mm of rain over 11.9 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 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
139
239
339
438
538
638
738
838
938
1039
1139
1240
1340
1441
1541
1641
1742
1842
1942
2042
2142
2242
2342
2441
2541
2641
2741
2840
2940
3039

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 65% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1821341
2811441
3801451
4791551
5781651
6761761
7761761
8751861
9731971
10722071
11722071
12702181
13692281
14682381
15662491
16652492
17642592
18632692
19632692
206127102
216027103
225828113
235629123
245330134
255230144
265131144
274931155
284732165
294532176
304332186

Wind in April

Winds average 9 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
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
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 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over April. Sunrise moves from 6:13 AM to 5:38 AM, and sunset from 6:31 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:136:31
212.36:126:32
312.46:116:33
412.46:096:33
512.46:086:34
612.56:076:35
712.56:056:35
812.56:046:36
912.66:036:37
1012.66:016:38
1112.66:006:38
1212.75:596:39
1312.75:586:40
1412.75:566:40
1512.85:556:41
1612.85:546:42
1712.85:536:43
1812.95:516:43
1912.95:506:44
2012.95:496:45
2113.05:486:45
2213.05:476:46
2313.05:456:47
2413.15:446:48
2513.15:436:48
2613.15:426:49
2713.15:416:50
2813.25:406:51
2913.25:396:51
3013.25:386:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.9 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 5.13 kWh/m² in May across the year — April's 4.9 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in April

Hazard calendar for Honmachi

In seasonPeak

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

Honmachi sits in the Pacific typhoon belt; the season peaks July–October.

Honmachi's rainy season runs June–July, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Honmachi?

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

5.8
Sightseeing
3rd-best month of the year
2.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Honmachi for sightseeing.

What to pack for Honmachi in April

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

In April, Honmachi sees daytime highs around 19°C and nights near 13°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Honmachi in April

The nearest coast averages about 17°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 25 km away) is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from May 26 to Nov 19 — about 5.9 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan15Cool
Feb14Bracing
Mar15Bracing
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Honmachi in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Honmachi peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Honmachi 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 Honmachi is worst in March — around 24 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2424 µg/m³Jul 2114 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar24Moderate
Apr24Moderate
May22Moderate
Jun18Moderate
Jul13Moderate
Aug14Moderate
Sep14Moderate
Oct14Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Honmachi?

Honmachi sits at 32.5°N, 130.6°E, 6 m above sea level, in Japan. The nearest listed city is Uki, 14 km away.

Topography around Honmachi

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

Within 3 km, the terrain around Honmachi has only modest variations in elevation — a maximum elevation change of 30 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 974 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,717 m.

The land around Honmachi is covered by artificial surfaces (57%) and cropland (20%) within 3 km, trees (44%) and water (35%) within 16 km, and trees (62%) and water (26%) within 80 km.

3 km
30 m
16 km
974 m
80 km
1,717 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Uki 14 km · Matsubase 17 km · Ōyanomachi-noboritate 19 km · Uto 21 km · Sashiki 24 km · Mifune 32 km · Shimada 33 km · Kotō 33 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 Honmachi (32.5044°, 130.5995°, elevation 6 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).