Matsuura weather in April

In April, Matsuura sees average daytime highs of 19°C and overnight lows near 12°C, with 138 mm of rain across 10.4 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 33% 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 18 min by month's end. Set against the rest of the year, April is Matsuura's 4th-clearest and 6th-windiest month. For the whole year in context, see Matsuura's year-round climate.

Daytime high
19°
7th warmest
Overnight low
12°
6th coldest
Rainfall
138 mm
10.4 wet days
Daylight
12 h 48 min
5:57 AM – 6:46 PM
Cloud cover
60%
4th clearest
Wind
12 km/h
6th windiest
Solar energy
5.05 kWh/m²
Travel score
6.0
out of 10

Matsuura is city in Nagasaki Prefecture, Japan.

Density
181/km²
people per km²
Founded
2006

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 17°C in the first days to 21°C by the end.

A typical April day in Matsuura reaches about 19°C in the afternoon and slips back to 12°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 15°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)
11710
21710
31710
41710
51710
61810
71811
81811
91811
101811
111811
121911
131911
141912
151912
161912
171912
181912
192012
202012
212013
222013
232013
242013
252013
262113
272113
282114
292114
302114

How April really feels in Matsuura

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.

Matsuura 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° / 618.40.7102.3
Feb11° / 728.40.510.82.8
Mar15° / 11810.50.111.74.3
Apr19° / 12°13810.4012.86.0
May23° / 16°14910.1013.76.7
Jun26° / 20°30815.7014.25.5
Jul29° / 24°28516.30144.4
Aug31° / 25°17814.7013.24.0
Sep28° / 22°18612.3012.25.8
Oct23° / 17°1026.9011.27.4
Nov18° / 11°908.1010.36.0
Dec12° / 697.50.19.83.5

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 10% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24357
34456
44456
54357
64357
74258
84258
94258
104258
114258
124159
134060
144159
154159
164258
174258
184357
194357
204456
214456
224456
234555
244555
254555
264555
274456
284555
294555
304555

Chance of precipitation in April

Any precipitation

Matsuura gets around 138 mm of rain over 10.4 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 34% and peaks near 36% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
233
333
433
532
632
733
833
933
1033
1134
1234
1335
1435
1536
1636
1736
1836
1936
2036
2136
2236
2336
2436
2535
2635
2735
2834
2934
3033

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 75% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
189830
289830
387940
4861040
5861040
6851140
7841150
8831250
9831250
10821350
11811360
12801460
13791560
14791560
15781660
16771670
17751771
18741871
19741871
20731971
21712081
22702181
23682291
246523102
256424102
266225112
276026122
285826133
295727133
305627143

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
2612calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 18 min at the start of April to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over April. Sunrise moves from 6:17 AM to 5:40 AM, and sunset from 6:35 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:176:35
212.36:156:36
312.46:146:37
412.46:126:37
512.46:116:38
612.56:106:39
712.56:086:40
812.66:076:40
912.66:066:41
1012.66:046:42
1112.76:036:43
1212.76:026:43
1312.76:006:44
1412.85:596:45
1512.85:586:45
1612.85:576:46
1712.95:556:47
1812.95:546:48
1912.95:536:48
2013.05:526:49
2113.05:506:50
2213.05:496:51
2313.15:486:52
2413.15:476:52
2513.15:466:53
2613.25:456:54
2713.25:446:55
2813.25:426:55
2913.25:416:56
3013.35:406:57

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.05 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 5.4 kWh/m² in May across the year — April's 5.05 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.8Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
Planning a trip in April

Hazard calendar for Matsuura

In seasonPeak

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

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

Matsuura's rainy season runs May–September, 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 Matsuura?

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

6.0
Sightseeing
3rd-best month of the year
2.6
Beach & pool
7th-best month of the year

April is a reasonable time to visit Matsuura for sightseeing.

What to pack for Matsuura in April

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

In April, Matsuura sees daytime highs around 19°C and nights near 12°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Matsuura in April

The nearest coast averages about 16°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 27°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 4 to Nov 24 — about 5.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Matsuura 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 Matsuura peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 18UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Matsuura 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 Matsuura is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateApr 1324 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May21Moderate
Jun17Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct11Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Matsuura?

Matsuura sits at 33.3°N, 129.7°E, 110 m above sea level, in Japan. The nearest listed city is Hirado, 14 km away.

Topography around Matsuura

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

Within 3 km, the terrain around Matsuura has significant variations in elevation — a maximum elevation change of 327 m around an average of 81 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 778 m; within 80 km, large variations in elevation — a maximum elevation change of 1,046 m.

The land around Matsuura is covered by trees (58%) and water (23%) within 3 km, trees (49%) and water (42%) within 16 km, and water (68%) and trees (22%) within 80 km.

3 km
327 m
16 km
778 m
80 km
1,046 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Hirado 14 km · Imarichō-kō 19 km · Sasebo 19 km · Arita 26 km · Karatsu 28 km · Takeo 35 km · Ureshinomachi-shimojuku 38 km · Taku 39 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 Matsuura (33.3406°, 129.695°, elevation 110 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).