Kobayashi weather in April

In April, Kobayashi sees average daytime highs of 20°C and overnight lows near 9°C, with 183 mm of rain across 12.3 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 18°C in the first days to 21°C by the end. The sky is clear or mostly clear about 29% 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 12 min by month's end. Set against the rest of the year, April is Kobayashi's 7th-clearest and 4th-windiest month. For the whole year in context, see Kobayashi's year-round climate.

Daytime high
20°
7th warmest
Overnight low
6th coldest
Rainfall
183 mm
12.3 wet days
Daylight
12 h 48 min
5:53 AM – 6:40 PM
Cloud cover
63%
7th clearest
Wind
7 km/h
4th windiest
Solar energy
4.88 kWh/m²
Travel score
5.7
out of 10

Kobayashi is city in Miyazaki Prefecture, Japan.

Density
78/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 18°C in the first days to 21°C by the end.

A typical April day in Kobayashi reaches about 20°C in the afternoon and slips back to 9°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 4°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1177
2177
3187
4187
5188
6188
7188
8188
9198
10198
11199
12199
13199
14199
15199
16209
17209
182010
192010
202010
212010
222010
232110
242110
252111
262111
272111
282111
292111
302212

How April really feels in Kobayashi

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.

Kobayashi 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° / 787.30.710.12.4
Feb11° / 1018.70.510.83.0
Mar15° / 15812.70.111.84.3
Apr20° / 18312.3012.85.7
May23° / 14°21212.5013.66.2
Jun25° / 18°46420.6014.14.8
Jul29° / 22°29819.8013.94.0
Aug30° / 23°20519.1013.24.0
Sep27° / 19°22916.2012.25.3
Oct23° / 13°1319.8011.26.9
Nov17° / 1048.2010.45.9
Dec12° / 786.60.19.93.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 29% 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 59%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14753
24753
34654
44555
54456
64456
74357
84258
94258
104159
114060
124060
134060
143961
153862
163862
173862
183862
193961
203961
213961
223961
234060
244060
254060
264060
274060
283961
293961
303862

Chance of precipitation in April

Any precipitation

Kobayashi gets around 183 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 44% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
339
439
539
639
739
839
939
1040
1141
1241
1342
1443
1543
1643
1744
1844
1944
2044
2144
2243
2343
2443
2542
2642
2741
2841
2941
3040

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 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
187931
287931
3861031
4841141
5841141
6831241
7831241
8811351
9811351
10801451
11801451
12791551
13791551
14771661
15771661
16771661
17761761
18761761
19751771
20751771
21741871
22731881
23711982
24701992
25692092
266820102
276621112
286421123
296421123
306222133

Wind in April

Winds average 7 km/h in April.

Across April, daily wind ranges from about 7 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
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

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

Days grow by about 54 minutes over April. Sunrise moves from 6:12 AM to 5:37 AM, and sunset from 6:30 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:126:30
212.36:116:30
312.46:096:31
412.46:086:32
512.46:076:32
612.56:056:33
712.56:046:34
812.56:036:34
912.66:026:35
1012.66:006:36
1112.65:596:36
1212.75:586:37
1312.75:566:38
1412.75:556:38
1512.85:546:39
1612.85:536:40
1712.85:526:41
1812.85:506:41
1912.95:496:42
2012.95:486:43
2112.95:476:43
2213.05:466:44
2313.05:456:45
2413.05:436:45
2513.15:426:46
2613.15:416:47
2713.15:406:48
2813.25:396:48
2913.25:386:49
3013.25:376:50

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.88 kWh/m².

For context, solar energy here swings from a low near 2.64 kWh/m² to a high of 4.98 kWh/m² in May across the year — April's 4.88 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
Planning a trip in April

Hazard calendar for Kobayashi

In seasonPeak

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

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

Kobayashi's rainy season runs May–July, 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 Kobayashi?

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

5.7
Sightseeing
4th-best month of the year
2.7
Beach & pool
7th-best month of the year

April is a reasonable time to visit Kobayashi for sightseeing.

What to pack for Kobayashi in April

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

In April, Kobayashi sees daytime highs around 20°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

Sea temperature near Kobayashi in April

The nearest coast averages about 18°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 59 km away) is warmest in August at about 28°C and coldest in February near 16°C.

It's comfortable for a long swim from May 16 to Dec 4 — about 6.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan17Cool
Feb16Cool
Mar17Cool
Apr18Cool
May20Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct24Warm
Nov22Refreshing
Dec19Cool

UV index in Kobayashi in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kobayashi peaks around June 22 at about 11 (extreme) — 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Kobayashi 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 Kobayashi is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2025 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr23Moderate
May22Moderate
Jun18Moderate
Jul14Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Kobayashi?

Kobayashi sits at 32.0°N, 131.0°E, 205 m above sea level, in Japan. The nearest listed city is Ebino, 15 km away.

Topography around Kobayashi

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

Within 3 km, the terrain around Kobayashi has only modest variations in elevation — a maximum elevation change of 147 m around an average of 203 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,597 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,715 m.

The land around Kobayashi is covered by trees (39%), cropland (33%) and artificial surfaces (27%) within 3 km, trees (81%) within 16 km, and trees (64%) and water (26%) within 80 km.

3 km
147 m
16 km
1,597 m
80 km
1,715 m
treesgrasslandcroplandartificial surfaceswater
April weather nearby: Ebino 15 km · Miyakonojō 29 km · Mochibaru 29 km · Honjō 33 km · Hitoyoshi 34 km · Kirishima 34 km · Kokubu-matsuki 35 km · Ōkuchi-shinohara 35 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 Kobayashi (31.9833°, 130.9833°, elevation 205 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).