Nagato weather in April

In April, Nagato sees average daytime highs of 18°C and overnight lows near 11°C, with 115 mm of rain across 10.3 wet days and about 12.8 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 16°C in the first days to 20°C by the end. The sky is clear or mostly clear about 35% 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 Nagato's 3rd-clearest and 5th-windiest month. For the whole year in context, see Nagato's year-round climate.

Daytime high
18°
7th warmest
Overnight low
11°
6th coldest
Rainfall
115 mm
10.3 wet days
Daylight
12 h 54 min
5:50 AM – 6:41 PM
Cloud cover
58%
3rd clearest
Wind
15 km/h
5th windiest
Solar energy
5.3 kWh/m²
Travel score
5.7
out of 10

Nagato is city in Yamaguchi Prefecture, Japan.

Density
91/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 16°C in the first days to 20°C by the end.

A typical April day in Nagato reaches about 18°C in the afternoon and slips back to 11°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 14°C and 22°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)
1169
2169
3169
4169
51610
61610
71710
81710
91710
101710
111710
121711
131811
141811
151811
161811
171811
181812
191912
201912
211912
221912
231912
241912
252013
262013
272013
282013
292013
302013

How April really feels in Nagato

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.

Nagato 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 / 7311.81.8101.8
Feb10° / 7210.81.210.72.2
Mar13° / 11611.60.311.73.6
Apr18° / 11°11510.3012.85.7
May22° / 15°12810.1013.86.7
Jun25° / 20°21613.2014.36.0
Jul29° / 24°26014.6014.14.8
Aug31° / 25°17212.6013.34.3
Sep27° / 21°18212.2012.26.0
Oct22° / 16°967.9011.17.1
Nov17° / 11°859.2010.25.5
Dec12° / 7311.10.69.72.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34753
44753
54852
64852
74753
84753
94852
104852
114654
124753
134753
144753
154753
164753
174852
184852
194852
204852
214852
224852
234852
244951
254951
264951
274951
284951
294951
304951

Chance of precipitation in April

Any precipitation

Nagato gets around 115 mm of rain over 10.3 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 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
235
335
435
535
635
735
835
934
1034
1135
1235
1335
1435
1535
1635
1735
1834
1934
2034
2134
2234
2333
2433
2533
2633
2733
2832
2932
3032

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 84% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194600
294600
392710
492710
591810
691810
791810
890910
990910
1090910
1190910
12881020
13881020
14871120
15871120
16861220
17861220
18851320
19841330
20831430
21821530
22811630
23781741
24771841
25751951
26742051
27722161
28702271
29692371
30682381

Wind in April

Winds average 15 km/h in April.

Across April, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

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 6:10 AM to 5:33 AM, and sunset from 6:29 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:106:29
212.46:096:30
312.46:076:31
412.46:066:32
512.56:056:33
612.56:036:33
712.56:026:34
812.66:006:35
912.65:596:36
1012.65:586:37
1112.75:566:37
1212.75:556:38
1312.85:546:39
1412.85:526:40
1512.85:516:40
1612.95:506:41
1712.95:486:42
1812.95:476:43
1913.05:466:44
2013.05:456:44
2113.05:436:45
2213.15:426:46
2313.15:416:47
2413.15:406:48
2513.25:386:48
2613.25:376:49
2713.25:366:50
2813.35:356:51
2913.35:346:52
3013.35:336:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.3 kWh/m².

For context, solar energy here swings from a low near 2.11 kWh/m² to a high of 5.71 kWh/m² in May across the year — April's 5.3 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.1Bright
105.2Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.6Bright
Planning a trip in April

Hazard calendar for Nagato

In seasonPeak

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

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

Nagato'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 Nagato?

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

5.7
Sightseeing
5th-best month of the year
2.0
Beach & pool
7th-best month of the year

April is a reasonable time to visit Nagato for sightseeing.

What to pack for Nagato in April

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

In April, Nagato sees daytime highs around 18°C and nights near 11°C. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Nagato 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 28 km away) is warmest in August at about 27°C and coldest in March near 14°C.

It's comfortable for a long swim from Jun 9 to Nov 21 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Nagato 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 Nagato peaks around June 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 21UV 10Dec 21UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Nagato 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 Nagato is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1023 µg/m³Oct 1111 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr23Moderate
May20Moderate
Jun16Moderate
Jul13Moderate
Aug15Moderate
Sep11Good
Oct11Good
Nov13Moderate
Dec12Moderate
Location & terrain

Where is Nagato?

Nagato sits at 34.4°N, 131.2°E, 4 m above sea level, in Japan. The nearest listed city is Hagi, 20 km away.

Topography around Nagato

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

Within 3 km, the terrain around Nagato has significant variations in elevation — a maximum elevation change of 309 m around an average of 28 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 684 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Nagato is covered by water (45%) and trees (33%) within 3 km, trees (52%) and water (42%) within 16 km, and water (60%) and trees (34%) within 80 km.

3 km
309 m
16 km
684 m
80 km
1,369 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Hagi 20 km · Mine 22 km · Yamaguchi 33 km · Ogōri-shimogō 36 km · Sanyōonoda 39 km · Onoda 42 km · Ube 49 km · Hōfu 50 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 Nagato (34.3833°, 131.2°, elevation 4 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).