Kamimaruko weather in April

In April, Kamimaruko sees average daytime highs of 14°C and overnight lows near 4°C, with 100 mm of precipitation across 11.4 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Highs climb over the month, from about 12°C in the first days to 17°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 24 min by month's end. Set against the rest of the year, April is Kamimaruko's 7th-clearest and 2nd-windiest month. For the whole year in context, see Kamimaruko's year-round climate.

Daytime high
14°
7th warmest
Overnight low
6th coldest
Precipitation
100 mm
11.4 wet days
Daylight
12 h 54 min
5:19 AM – 6:15 PM
Cloud cover
59%
7th clearest
Wind
7 km/h
2nd windiest
Solar energy
5.48 kWh/m²
Travel score
4.2
out of 10

Kamimaruko is human settlement in Japan.

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 12°C in the first days to 17°C by the end.

A typical April day in Kamimaruko reaches about 14°C in the afternoon and slips back to 4°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 20°C. Set against its neighbours, April runs about 6°C warmer than March and about 5°C cooler than May.

10°20°151015202530
Avg high (°C)Avg low (°C)
1111
2111
3121
4121
5121
6122
7132
8132
9132
10133
11143
12143
13143
14143
15144
16154
17154
18154
19154
20155
21165
22165
23165
24165
25176
26176
27176
28176
29176
30187

How April really feels in Kamimaruko

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 7 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
7
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Kamimaruko 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 / -6°629.810.19.80.0
Feb / -5°659.48.210.60.0
Mar / -2°10712.47.311.71.3
Apr14° / 10011.41.812.94.2
May20° / 10811.1013.96.1
Jun23° / 14°14113.7014.45.8
Jul26° / 18°16114.5014.25.7
Aug28° / 19°9811.5013.45.9
Sep24° / 15°13711.7012.26.3
Oct17° / 14310.8011.15.5
Nov12° / 7091.110.13.1
Dec / -2°599.679.60.5

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 17% of April, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14951
25050
35050
44951
55050
65050
75050
85050
95149
104951
114951
125050
134951
144951
154951
164852
174951
184852
194852
204852
214753
224852
234753
244753
254753
264753
274753
284753
294852
304852

Chance of precipitation in April

Any precipitationSnow

Kamimaruko gets around 100 mm of rain and snow over 11.4 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 38% and peaks near 42% on the wettest days, and about 2 days bring snow. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
14215
24214
34113
44112
54111
64111
74010
84010
9409
10409
11398
12398
13397
14397
15396
16386
17386
18385
19385
20374
21374
22373
23363
24362
25352
26351
27341
28341
29331
30330

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:41 AM to 5:01 AM, and sunset from 6:02 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:416:02
212.45:406:03
312.45:386:04
412.55:376:04
512.55:356:05
612.55:346:06
712.65:326:07
812.65:316:08
912.75:296:09
1012.75:286:10
1112.75:266:11
1212.85:256:11
1312.85:246:12
1412.85:226:13
1512.95:216:14
1612.95:196:15
1713.05:186:16
1813.05:176:17
1913.05:156:17
2013.15:146:18
2113.15:136:19
2213.15:116:20
2313.25:106:21
2413.25:096:22
2513.35:076:23
2613.35:066:24
2713.35:056:24
2813.45:046:25
2913.45:036:26
3013.45:016:27

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.48 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 5.79 kWh/m² in May across the year — April's 5.48 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.4Bright
135.4Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
Planning a trip in April

Is April a good time to visit Kamimaruko?

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

4.2
Sightseeing
7th-best month of the year
0.4
Beach & pool
7th-best month of the year

April is a reasonable time to visit Kamimaruko for sightseeing.

What to pack for Kamimaruko in April

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

In April, Kamimaruko sees daytime highs around 14°C and nights near 4°C. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Kamimaruko 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 Kamimaruko peaks around July 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highModerateJul 18UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Kamimaruko 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 Kamimaruko is worst in April — around 18 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1918 µg/m³Dec 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb11Good
Mar17Moderate
Apr18Moderate
May17Moderate
Jun16Moderate
Jul13Moderate
Aug12Good
Sep10Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Kamimaruko?

Kamimaruko sits at 36.3°N, 138.3°E, 563 m above sea level, in Japan. The nearest listed city is Tōmi, 9.0 km away.

Topography around Kamimaruko

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

Within 3 km, the terrain around Kamimaruko has significant variations in elevation — a maximum elevation change of 492 m around an average of 657 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,636 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,137 m.

The land around Kamimaruko is covered by trees (60%) within 3 km, trees (67%) within 16 km, and trees (84%) within 80 km.

3 km
492 m
16 km
1,636 m
80 km
3,137 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Tōmi 9.0 km · Ueda 9.0 km · Komoro 14 km · Sakaki 18 km · Miyota 22 km · Saku 22 km · Chikuma 28 km · Matsumoto 29 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 Kamimaruko (36.3186°, 138.2733°, elevation 563 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. 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).