Kawachi-Nagano weather in April

In April, Kawachi-Nagano sees average daytime highs of 19°C and overnight lows near 10°C, with 114 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 31% 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 Kawachi-Nagano's 6th-clearest and 2nd-windiest month. For the whole year in context, see Kawachi-Nagano's year-round climate.

Daytime high
19°
7th warmest
Overnight low
10°
6th coldest
Rainfall
114 mm
10.4 wet days
Daylight
12 h 54 min
5:32 AM – 6:24 PM
Cloud cover
60%
6th clearest
Wind
9 km/h
2nd windiest
Solar energy
5.19 kWh/m²
Travel score
6.0
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 Kawachi-Nagano reaches about 19°C in the afternoon and slips back to 10°C overnight — a 10°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 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1167
2177
3177
4177
5178
6178
7188
8188
9188
10189
11189
12199
13199
14199
151910
161910
172010
182010
192010
202011
212011
222011
232111
242111
252111
262112
272112
282212
292212
302212

How April really feels in Kawachi-Nagano

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.

Kawachi-Nagano 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 / 648.11101.9
Feb10° / 698.61.110.72.3
Mar14° / 11211.60.111.73.8
Apr19° / 10°11410.4012.86.0
May24° / 15°13210.4013.86.7
Jun27° / 20°19913.6014.35.5
Jul31° / 24°17213.8014.14.1
Aug33° / 25°10010.4013.33.5
Sep29° / 21°15811.8012.25.3
Oct23° / 14°15610011.16.8
Nov17° / 848010.25.7
Dec12° / 688.40.29.73.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% 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 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24951
34852
44852
54951
64951
74951
84951
94951
104951
114852
124852
134753
144753
154654
164654
174555
184555
194456
204555
214555
224456
234555
244555
254555
264555
274555
284555
294555
304654

Chance of precipitation in April

Any precipitation

Kawachi-Nagano gets around 114 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
236
336
436
535
635
735
835
935
1035
1135
1235
1335
1435
1535
1635
1735
1835
1935
2035
2134
2234
2334
2434
2533
2633
2733
2833
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 86% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
194510
294510
394510
493610
593610
692710
792710
891810
991810
1091810
1190910
1290910
1390910
14891010
15871021
16871021
17861121
18861121
19851221
20841330
21841330
22831430
23821530
24801640
25781741
26761851
27761851
28751951
29732061
30732061

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 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 5:53 AM to 5:15 AM, and sunset from 6:12 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:536:12
212.45:516:13
312.45:506:14
412.45:486:14
512.55:476:15
612.55:466:16
712.55:446:17
812.65:436:17
912.65:416:18
1012.65:406:19
1112.75:396:20
1212.75:376:21
1312.85:366:21
1412.85:356:22
1512.85:336:23
1612.95:326:24
1712.95:316:25
1812.95:296:25
1913.05:286:26
2013.05:276:27
2113.05:266:28
2213.15:246:29
2313.15:236:29
2413.15:226:30
2513.25:216:31
2613.25:206:32
2713.25:186:33
2813.35:176:33
2913.35:166:34
3013.35:156:35

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.19 kWh/m².

For context, solar energy here swings from a low near 2.42 kWh/m² to a high of 5.49 kWh/m² in May across the year — April's 5.19 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
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in April

Hazard calendar for Kawachi-Nagano

In seasonPeak

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

Kawachi-Nagano 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 Kawachi-Nagano?

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
2.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Kawachi-Nagano for sightseeing.

What to pack for Kawachi-Nagano in April

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

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

rain gearsun protection

Sea temperature near Kawachi-Nagano 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 February near 13°C.

It's comfortable for a long swim from Jun 6 to Nov 11 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Kawachi-Nagano 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 Kawachi-Nagano peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highModerateJun 23UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kawachi-Nagano 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 Kawachi-Nagano is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 13 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1423 µg/m³Oct 1713 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul17Moderate
Aug18Moderate
Sep14Moderate
Oct13Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Kawachi-Nagano?

Kawachi-Nagano sits at 34.4°N, 135.6°E, 197 m above sea level, in Japan. The nearest listed city is Tondabayashichō, 7.0 km away.

Topography around Kawachi-Nagano

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

Within 3 km, the terrain around Kawachi-Nagano has significant variations in elevation — a maximum elevation change of 290 m around an average of 183 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,130 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,879 m.

The land around Kawachi-Nagano is covered by trees (60%) and artificial surfaces (34%) within 3 km, trees (57%) and artificial surfaces (32%) within 16 km, and trees (65%) within 80 km.

3 km
290 m
16 km
1,130 m
80 km
1,879 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Tondabayashichō 7.0 km · Kanō 8.0 km · Sayama 9.0 km · Katsuragi 12 km · Habikino 12 km · Gose 14 km · Fujiidera 14 km · Hashimoto 14 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 Kawachi-Nagano (34.4411°, 135.5828°, elevation 197 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).