Numazu weather in June

In June, Numazu sees average daytime highs of 22°C and overnight lows near 19°C, with 286 mm of rain across 15.8 wet days and about 14.3 hours of daylight. It is the 4th-warmest and 2nd-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 12% of the time in June, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of June to 14 h 18 min by month's end. Set against the rest of the year, June is Numazu's 12th-clearest and 10th-windiest month. For the whole year in context, see Numazu's year-round climate.

Daytime high
22°
4th warmest
Overnight low
19°
9th coldest
Rainfall
286 mm
15.8 wet days
Daylight
14 h 18 min
4:34 AM – 6:55 PM
Cloud cover
79%
12th clearest
Wind
9 km/h
10th windiest
Solar energy
4.86 kWh/m²
Travel score
5.4
out of 10

Numazu is city in Shizuoka Prefecture, Japan.

Founded
1923

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 Numazu reaches about 22°C in the afternoon and slips back to 19°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 24°C. Set against its neighbours, June runs about 3°C warmer than May and about 3°C cooler than July.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12117
22117
32117
42118
52118
62118
72118
82118
92118
102218
112218
122219
132219
142219
152219
162219
172219
182219
192319
202320
212320
222320
232320
242320
252320
262320
272420
282421
292421
302421

Numazu weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 968.50.79.92.0
Feb / 1179.10.910.72.1
Mar12° / 204140.511.72.9
Apr16° / 11°21513.1012.94.5
May19° / 15°23212.8013.85.7
Jun22° / 19°28615.8014.35.4
Jul26° / 23°29416.5014.15.6
Aug27° / 24°16514.2013.35.9
Sep25° / 22°24314.5012.26.0
Oct20° / 17°24513.1011.16.0
Nov16° / 12°14410.8010.25.0
Dec12° / 898.40.19.73.3

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% 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 78%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13169
23169
33070
42971
52773
62674
72674
82476
92476
102377
112179
122179
132080
141981
151882
161882
171882
181882
191882
201882
211882
221882
231981
241981
251981
262080
272080
282080
292179
302179

Chance of precipitation in June

Any precipitation

Numazu gets around 286 mm of rain over 15.8 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 53% and peaks near 60% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
140
240
341
442
543
644
746
847
948
1049
1151
1252
1354
1455
1557
1657
1758
1859
1959
2059
2159
2260
2360
2460
2560
2660
2760
2860
2960
3060

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the humid band about 39% of days. Sticky, muggy-or-worse air turns up on roughly 44% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
18364790
273548100
373349110
463249130
553050141
642851161
742651181
832452201
932251222
1022052242
1121851272
1211651302
1311550323
1411348353
1501246384
1601044414
170942435
180840456
190738478
200735499
2106335011
2206305113
2305285215
2405255317
2504235320
2604215223
2704185325
2803175228
2903155131
3003145034

Wind in June

Winds average 9 km/h in June.

Across June, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 12 min at the start of June to 14 h 18 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 4:37 AM to 4:37 AM, and sunset from 6:48 PM to 6:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:376:48
214.24:366:48
314.24:366:49
414.24:366:49
514.24:356:50
614.34:356:51
714.34:356:51
814.34:356:52
914.34:356:52
1014.34:346:53
1114.34:346:53
1214.34:346:54
1314.34:346:54
1414.34:346:54
1514.34:346:55
1614.34:346:55
1714.44:346:56
1814.44:346:56
1914.44:356:56
2014.44:356:56
2114.44:356:57
2214.44:356:57
2314.44:356:57
2414.44:366:57
2514.44:366:58
2614.44:366:58
2714.44:366:58
2814.44:376:58
2914.34:376:58
3014.34:376:58

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 4.86 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.45 kWh/m² in May across the year — June's 4.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.3Bright
35.3Bright
45.2Bright
55.2Bright
65.1Bright
75.1Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.8Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
Planning a trip in June

Hazard calendar for Numazu

In seasonPeak

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

Numazu 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 June a good time to visit Numazu?

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

5.4
Sightseeing
6th-best month of the year
3.9
Beach & pool
4th-best month of the year

June is a reasonable time to visit Numazu for sightseeing.

What to pack for Numazu in June

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

In June, Numazu sees daytime highs around 22°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 16 days see rain.

rain gearlight clothessun protection

Sea temperature near Numazu in June

The nearest coast averages about 22°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Numazu in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Numazu peaks around July 19 at about 10 (extreme) — 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 highExtremeVery highModerateJul 19UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Numazu 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 Numazu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Numazu?

Numazu sits at 35.1°N, 138.9°E, 8 m above sea level, in Japan. The nearest listed city is Fushimi, 3.0 km away.

Topography around Numazu

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

Within 3 km, the terrain around Numazu has significant variations in elevation — a maximum elevation change of 251 m around an average of 18 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,439 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Numazu is covered by artificial surfaces (67%) within 3 km, trees (54%) and water (24%) within 16 km, and trees (46%) and water (42%) within 80 km.

3 km
251 m
16 km
1,439 m
80 km
3,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Fushimi 3.0 km · Mishima 5.0 km · Nakatogari 5.0 km · Kamizawa 8.0 km · Susono 9.0 km · Izunokuni 10 km · Shuzenji 15 km · Izu 16 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 Numazu (35.1°, 138.8667°, elevation 8 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).