Naka weather in April

In April, Naka sees average daytime highs of 18°C and overnight lows near 10°C, with 108 mm of rain across 12.3 wet days and about 12.9 hours of daylight. It is the 7th-warmest and 8th-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 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 24 min by month's end. Set against the rest of the year, April is Naka's 7th-clearest and 1st-windiest month. For the whole year in context, see Naka's year-round climate.

Daytime high
18°
7th warmest
Overnight low
10°
6th coldest
Rainfall
108 mm
12.3 wet days
Daylight
12 h 54 min
5:12 AM – 6:07 PM
Cloud cover
62%
7th clearest
Wind
11 km/h
1st windiest
Solar energy
4.95 kWh/m²
Travel score
5.5
out of 10

Naka 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 16°C in the first days to 20°C by the end.

A typical April day in Naka reaches about 18°C in the afternoon and slips back to 10°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 23°C. Set against its neighbours, April runs about 5°C warmer than March and about 4°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1167
2167
3168
4168
5168
6178
7178
8178
9179
10179
11189
12189
13189
141810
151810
161810
171910
181910
191911
201911
211911
221911
232011
242012
252012
262012
272012
282112
292112
302113

How April really feels in Naka

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.

Naka weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 667.31.19.82.1
Feb10° / 647.91.710.62.3
Mar13° / 11312.40.711.73.6
Apr18° / 10°10812.3012.95.5
May23° / 15°12912013.96.3
Jun26° / 19°15014.4014.45.6
Jul29° / 23°15814.8014.24.5
Aug31° / 24°11912.9013.44.2
Sep27° / 21°16914.2012.25.5
Oct21° / 15°19112.6011.16.1
Nov16° / 919.8010.15.2
Dec11° / 628.10.19.63.2

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 13% of April, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24852
34753
44753
54753
64555
74654
84555
94456
104456
114357
124357
134258
144258
154159
164159
174060
184060
194159
204159
214159
224159
234258
244258
254258
264258
274357
284357
294357
304357

Chance of precipitation in April

Any precipitation

Naka gets around 108 mm of rain over 12.3 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 41% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
242
342
442
542
642
742
842
942
1042
1142
1242
1342
1442
1541
1641
1741
1841
1941
2040
2140
2240
2340
2440
2539
2639
2739
2838
2938
3037

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 88% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
298200
398200
497300
597300
696400
796400
895500
995500
1095500
1194600
1292710
1392710
1491810
1591810
1690910
1790910
18891010
19861121
20861121
21851221
22841321
23821521
24801631
25791731
26771841
27761941
28742051
29732151
30712261

Wind in April

Winds average 11 km/h in April, the windiest month of the year.

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
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
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 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 5:34 AM to 4:54 AM, and sunset from 5:54 PM to 6:19 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:345:54
212.45:325:55
312.45:315:56
412.55:295:57
512.55:285:58
612.55:265:58
712.65:255:59
812.65:236:00
912.75:226:01
1012.75:216:02
1112.75:196:03
1212.85:186:04
1312.85:166:04
1412.85:156:05
1512.95:136:06
1612.95:126:07
1713.05:116:08
1813.05:096:09
1913.05:086:10
2013.15:076:10
2113.15:056:11
2213.15:046:12
2313.25:036:13
2413.25:026:14
2513.25:006:15
2613.34:596:16
2713.34:586:16
2813.34:576:17
2913.44:556:18
3013.44:546:19

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.95 kWh/m².

For context, solar energy here swings from a low near 2.35 kWh/m² to a high of 5.27 kWh/m² in May across the year — April's 4.95 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
Planning a trip in April

Hazard calendar for Naka

In seasonPeak

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

Naka 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 Naka?

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

5.5
Sightseeing
4th-best month of the year
2.0
Beach & pool
7th-best month of the year

April is a reasonable time to visit Naka for sightseeing.

What to pack for Naka in April

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

In April, Naka sees daytime highs around 18°C and nights near 10°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Naka 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 42 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 23 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun20Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Naka in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Naka peaks around July 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 21UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Naka 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 Naka is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2425 µg/m³Dec 1914 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun19Moderate
Jul16Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Naka?

Naka sits at 36.0°N, 140.2°E, 28 m above sea level, in Japan. The nearest listed city is Ami, 4.0 km away.

Topography around Naka

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

Within 3 km, the terrain around Naka has only modest variations in elevation — a maximum elevation change of 39 m around an average of 24 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 457 m; within 80 km, large variations in elevation — a maximum elevation change of 841 m.

The land around Naka is covered by artificial surfaces (56%) and trees (28%) within 3 km, trees (34%), cropland (28%) and artificial surfaces (25%) within 16 km, and trees (29%), artificial surfaces (25%) and water (23%) within 80 km.

3 km
39 m
16 km
457 m
80 km
841 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Ami 4.0 km · Tsukuba 6.0 km · Tsuchiura 6.0 km · Ushiku 10 km · Kasumigaura 14 km · Fujishiro 15 km · Tsukubamirai 16 km · Ryūgasaki 17 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 Naka (36.05°, 140.1667°, elevation 28 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).