Tatebayashi weather in April

In April, Tatebayashi sees average daytime highs of 18°C and overnight lows near 8°C, with 121 mm of precipitation across 12.2 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 16°C in the first days to 20°C by the end. The sky is clear or mostly clear about 33% 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 Tatebayashi's 6th-clearest and 3rd-windiest month. For the whole year in context, see Tatebayashi's year-round climate.

Daytime high
18°
7th warmest
Overnight low
6th coldest
Precipitation
121 mm
12.2 wet days
Daylight
12 h 54 min
5:14 AM – 6:10 PM
Cloud cover
59%
6th clearest
Wind
8 km/h
3rd windiest
Solar energy
4.92 kWh/m²
Travel score
5.4
out of 10

Tatebayashi is city in Gunma Prefecture, Japan.

Density
1,333/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 Tatebayashi reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°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 5°C cooler than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1156
2156
3166
4166
5166
6166
7167
8177
9177
10177
11177
12178
13188
14188
15188
16189
17189
18189
19199
20199
211910
221910
231910
242010
252010
262010
272011
282011
292011
302111

How April really feels in Tatebayashi

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.

Tatebayashi 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 / -0°556.129.81.6
Feb / 536.92.310.62.0
Mar13° / 10411.81.511.73.5
Apr18° / 12112.20.212.95.4
May23° / 14°15313.7013.96.1
Jun25° / 18°18716.7014.45.3
Jul29° / 22°22018.8014.24.3
Aug30° / 23°17116.4013.44.1
Sep26° / 20°22116.7012.25.3
Oct21° / 14°20613.7011.15.9
Nov15° / 838.6010.15.0
Dec10° / 516.70.49.62.8

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
65050
74951
84951
94852
104852
114753
124654
134654
144753
154654
164654
174654
184654
194654
204555
214555
224654
234753
244654
254654
264654
274654
284654
294654
304654

Chance of precipitation in April

Any precipitationSnow

Tatebayashi gets around 121 mm of rain and snow over 12.2 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 41% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
1382
2382
3392
4392
5391
6401
7401
8401
9411
10411
11421
12421
13421
14431
15431
16431
17431
18431
19431
20430
21420
22420
23420
24410
25410
26410
27400
28400
29400
30400

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 94% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1100000
2100000
3100000
4100000
599100
699100
799100
899100
999100
1099100
1198200
1297210
1397210
1496310
1596310
1695410
1795410
1894510
1994510
2093610
2192710
2291810
2390910
24881020
25871120
26861220
27851320
28831421
29811531
30801631

Wind in April

Winds average 8 km/h in April.

Across April, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
287calm
297calm
307calm

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 5:36 AM to 4:56 AM, and sunset from 5:57 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:365:57
212.45:355:58
312.45:335:59
412.55:325:59
512.55:306:00
612.55:296:01
712.65:276:02
812.65:266:03
912.75:246:04
1012.75:236:05
1112.75:216:05
1212.85:206:06
1312.85:196:07
1412.85:176:08
1512.95:166:09
1612.95:146:10
1713.05:136:11
1813.05:126:11
1913.05:106:12
2013.15:096:13
2113.15:086:14
2213.15:066:15
2313.25:056:16
2413.25:046:17
2513.35:036:18
2613.35:016:18
2713.35:006:19
2813.44:596:20
2913.44:586:21
3013.44:566:22

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.92 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.08 kWh/m² in May across the year — April's 4.92 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in April

Hazard calendar for Tatebayashi

In seasonPeak

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

Tatebayashi's rainy season runs March–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Tatebayashi?

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

5.4
Sightseeing
3rd-best month of the year
1.8
Beach & pool
7th-best month of the year

April is a reasonable time to visit Tatebayashi for sightseeing.

What to pack for Tatebayashi in April

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

In April, Tatebayashi sees daytime highs around 18°C and nights near 8°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Tatebayashi 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 Tatebayashi peaks around July 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

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

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Tatebayashi?

Tatebayashi sits at 36.3°N, 139.5°E, 28 m above sea level, in Japan. The nearest listed city is Ōwa, 7.0 km away.

Topography around Tatebayashi

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

Within 3 km, the terrain around Tatebayashi has only modest variations in elevation — a maximum elevation change of 23 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 394 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,552 m.

The land around Tatebayashi is covered by artificial surfaces (57%) and cropland (29%) within 3 km, cropland (39%) and artificial surfaces (37%) within 16 km, and trees (54%) and artificial surfaces (24%) within 80 km.

3 km
23 m
16 km
394 m
80 km
2,552 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Ōwa 7.0 km · Sano 9.0 km · Hanyū 9.0 km · Kamikoizumi 9.0 km · Fujioka 10 km · Ashikaga 12 km · Tanuma 14 km · Gyōda 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 Tatebayashi (36.25°, 139.5333°, 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. 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).