Chichibu weather in June

In June, Chichibu sees average daytime highs of 23°C and overnight lows near 16°C, with 266 mm of rain across 22.2 wet days and about 14.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 21°C in the first days to 24°C by the end. The sky is clear or mostly clear about 8% of the time in June, and the air most often feels comfortable.

Daylight stretches from about 14 h 18 min at the start of June to 14 h 24 min by month's end. Set against the rest of the year, June is Chichibu's 12th-clearest and 9th-windiest month. For the whole year in context, see Chichibu's year-round climate.

Daytime high
23°
4th warmest
Overnight low
16°
9th coldest
Rainfall
266 mm
22.2 wet days
Daylight
14 h 24 min
4:31 AM – 6:57 PM
Cloud cover
82%
12th clearest
Wind
5 km/h
9th windiest
Solar energy
4.48 kWh/m²
Travel score
4.5
out of 10

Chichibu is city in Saitama prefecture, Japan.

Density
106/km²
people per km²
Founded
2005

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical June day in Chichibu reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, June runs about 2°C warmer than May and about 4°C cooler than July.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12114
22114
32114
42214
52214
62214
72214
82215
92215
102215
112215
122215
132215
142216
152216
162216
172316
182316
192316
202317
212317
222317
232317
242317
252417
262418
272418
282418
292418
302418

How June really feels in Chichibu

Once humidity and wind are folded in, June 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

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chichibu weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -2°718.35.49.80.6
Feb / -2°739.75.710.60.9
Mar11° / 13815.25.911.72.2
Apr16° / 15715.21.212.94.3
May20° / 11°19517.2013.95.2
Jun23° / 16°26622.2014.44.5
Jul26° / 20°31825.1014.24.2
Aug27° / 21°26724.7013.44.3
Sep23° / 17°28121.2012.24.8
Oct18° / 11°24817.6011.14.8
Nov14° / 9310.70.310.13.9
Dec / 648.32.39.61.9

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in June, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 10% of June, with mostly cloudy or overcast conditions the remaining 82%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12575
22575
32575
42278
52278
62278
72179
82179
92080
101981
111981
121981
131783
141684
151684
161684
171585
181585
191585
201486
211486
221486
231486
241486
251486
261486
271486
281486
291684
301684

Chance of precipitation in June

Any precipitation

Chichibu gets around 266 mm of rain over 22.2 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 75% and peaks near 83% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
162
263
364
465
565
666
767
868
969
1070
1172
1273
1374
1475
1576
1677
1778
1879
1979
2080
2180
2280
2381
2481
2581
2682
2782
2882
2982
3083

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the comfortable band about 35% of days. Sticky, muggy-or-worse air turns up on roughly 16% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
147421100
244431200
342441310
439451510
536461620
633461820
731472030
828472230
925472440
1023462650
1120462860
1218453170
1316433380
1414423590
15124037110
16113839120
1793641140
1883442150
1973243170
2073044191
2162844211
2252644241
2352444261
2442244282
2542044312
2631843333
2731642353
2831541374
2921440394
3021339415

Wind in June

Winds average 5 km/h in June.

Across June, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 18 min at the start of June to 14 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over June. Sunrise moves from 4:33 AM to 4:34 AM, and sunset from 6:49 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:336:49
214.34:336:50
314.34:336:50
414.34:326:51
514.34:326:51
614.34:326:52
714.34:326:53
814.44:326:53
914.44:316:54
1014.44:316:54
1114.44:316:55
1214.44:316:55
1314.44:316:56
1414.44:316:56
1514.44:316:56
1614.44:316:57
1714.44:316:57
1814.44:316:58
1914.44:316:58
2014.44:316:58
2114.44:326:58
2214.44:326:59
2314.44:326:59
2414.44:326:59
2514.44:326:59
2614.44:336:59
2714.44:336:59
2814.44:336:59
2914.44:347:00
3014.44:347:00

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.48 kWh/m².

For context, solar energy here swings from a low near 2.49 kWh/m² to a high of 5.21 kWh/m² in May across the year — June's 4.48 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.0Bright
35.0Bright
45.0Bright
54.9Bright
64.8Bright
74.8Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.2Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in June

Hazard calendar for Chichibu

In seasonPeak

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

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

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

Is June a good time to visit Chichibu?

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

4.5
Sightseeing
4th-best month of the year
3.3
Beach & pool
4th-best month of the year

June is a reasonable time to visit Chichibu for sightseeing.

What to pack for Chichibu in June

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

In June, Chichibu sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes. About 22 days see rain.

rain gearlight clothes

UV index in Chichibu in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Chichibu peaks around July 15 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 15UV 10Dec 23UV 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 Chichibu in June

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where June falls, not just the annual average.

Air quality in Chichibu is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug14Moderate
Sep13Moderate
Oct12Moderate
Nov11Good
Dec10Good
Location & terrain

Where is Chichibu?

Chichibu sits at 36.0°N, 139.1°E, 236 m above sea level, in Japan. The nearest listed city is Yorii, 18 km away.

Topography around Chichibu

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

Within 3 km, the terrain around Chichibu has significant variations in elevation — a maximum elevation change of 424 m around an average of 280 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,713 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,737 m.

The land around Chichibu is covered by trees (56%) and artificial surfaces (33%) within 3 km, trees (92%) within 16 km, and trees (61%) and artificial surfaces (24%) within 80 km.

3 km
424 m
16 km
1,713 m
80 km
3,737 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Yorii 18 km · Ogawamachi 18 km · Morohongō 21 km · Kodamachō-kodamaminami 22 km · Ranzan 23 km · Hannō 27 km · Hidaka 27 km · Ōme 27 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 Chichibu (35.9903°, 139.0764°, elevation 236 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).